Need help web developmentcông việc
I am looking for a skilled professional who can design an emulator for Windows platform. This emulator should primarily support the programming language Python, and should be able to cater to us...design an emulator for Windows platform. This emulator should primarily support the programming language Python, and should be able to cater to users who wish to use Python for completing assignments. Key requirements: - Platform: Windows - Main functionality: Assignment completion tool - Supported programming language: Python Ideal Skills and Experience: - Strong proficiency in software development, particularly in designing emulators - Proficiency in Python programming language - Experience working with Windows platform - Previous experience in developing educational tools or software...
... PWA: For the design of our Progressive Web App, we used the OpenTable application as the inspiration. Similar applications that have the same functionality as our sites are: Airbnb Zillow Our application currently has approximately 20 screens and includes payment processing through our own custom gateway. QUALIFICATIONS Minimum 4 Years experience with Mobile App development, with at 2 years of experience with Flutter framework Provide at least THREE (3) live and working Mobile Apps that you have developed using Flutter or React Native Strong familiarity with both iOS and Android development environments, SDKs. Previous experience implementing user authentication systems. Experience with in-app purchases
...Users should be able to submit inquiries through a contact form. - Direct Email or Call Option: Provide means for users to directly contact us via email or phone. - Schedule a Visit or Appointment Feature: Allow users to schedule visits or appointments. - Button for Download PDF Brochure: Include a downloadable PDF brochure about the project. Skills and Experience: - Proficiency in website development, particularly for real estate. - Experience in implementing interactive floor plans and 3D tour. - Strong understanding of lead generation and user experience. - Capability to integrate Google Maps and other multimedia elements. - Familiarity with creating user-friendly contact forms and appointment scheduling features. If you meet these requirements and have a proven track record...
...will analyze an array of data sources and present the results using insightful visualization techniques. Here are the requirements: - Implement Amazon Cognito for user authentication and authorization - Utilize AWS Amplify for the app's development and deployment - Integrate AWS API Gateway for efficient data exchange - Integrate Stripe for payments. Need complete flow Our tech stack looks like: - Amazon Amplify for app backend, and front end - Gatsby JS coupled with AppSync for front end - Amplify UI and MUI Material for UI components Features that I need: - End to end user journey - from login/registration to offering profile capture, to custom subscriptions - User DMs, Push Messaging, Custom email notifications (using SES) - Analytics (details noted belo...
I'm in need of an experienced token developer who can create a versatile set of tokens to cater to various needs. The project encompasses: - Crafting both utility tokens and security tokens to align with the diverse functions and requirements. - Developing stablecoins to ensure stability and reliability within the token ecosystem. The tokens are intended for: - Loyalty rewards: The tokens will serve as a form of incentive for loyal customers, encouraging repeat purchases and engagement. - Asset ownership: These tokens will represent ownership of real-world assets, providing a secure and transparent method for asset transfer and management. In terms of distribution, I'm looking for: - Initial Coin Offering (ICO): The developer should be able to manage the process of lau...
Project Overview: We are looking for a talented web developer or development team to transform our Excel workbook into a dynamic subscription-based web application. This workbook is integral to the operations of multiple educational institutions, featuring data management, automated calculations, and reporting capabilities. Project Goals: Seamless Transition from Excel to Web: Convert all functionalities, including complex formulas and VBA macros, from the Excel workbook into a web-based application. Robust Subscription Management: Develop a modular subscription system that allows for easy updates and the addition of new features. Future-Proof Architecture: The application should be built with scalability in mind, allowing for easy modifications and enh...
...controls in a 3D environment is important. Skills and Experience: - Expertise in 3js for creating 3D environments - Experience with creating customizable characters - Understanding of multiplayer game development - Ability to implement user controls for 3D navigation - Previous work with cartoonish art style. Can you build a metaverse? Lets start with a simple empty place we can run around together and speak to each other Hello, I have the metaverse working already It has online working I just need it shrunk down into one small playable area with the rest locked out until release. Need a map like and a small playable area this size. The end product should be a fully functioning metaverse that's both enjoyable and unique to navigate. Works with a sim...
App is completed but in that there is some issue regarding Zegocloud's library. I want only freelancer who can solve this issue. No company will be entertained. this is my code which show the error of : can not read property 'getPluginType' of null import {StyleSheet, Text, View} from 'react-native'; import React, {useContext, useRef} from 'react'; import ZegoUIKitPrebuiltLiveStreaming, { HOST_DEFAULT_CONFIG, ZegoMenuBarButtonName, } from '@zegocloud/zego-uikit-prebuilt-live-streaming-rn'; import ZIM from 'zego-zim-react-native'; import {useNavigation, useRoute} from '@react-navigation/native'; import BackButtonHandler from '../BackButtonHandler/BackButtonHandler'; import KeyCenter from '../../utils/KeyC...
Obiettivo:** Creare un sito web con un CMS collegato, che consenta all'amministratore di comunicare lo stato del server e inserire eventi giornalieri, mentre i visitatori possono visualizzare le informazioni senza accesso. **Funzionalità del Sito Web:** 1. **Pagina Principale:** - Mostra le varie sezioni, tra cui lo stato del server e gli eventi giornalieri. - Accessibile ai visitatori senza necessità di login. 2. **CMS per l'Amministratore:** - Accesso tramite login per l'amministratore. - Consentire all'amministratore di comunicare lo stato del server. - Consentire all'amministratore di inserire e gestire gli eventi giornalieri e le Categorie disponibili dove trovare gli eventi anche esse modificabili in modo da pote...
I'm in need of an experienced web developer to build a website for my business. While some details are still being finalized, I can share that the site will likely be an e-commerce platform. I am currently considering other options for the site's purpose however. The ideal freelancer will have extensive experience in website development, particularly with e-commerce platforms. I would also prefer someone who has a good understanding of UX/UI design principles as the site will need to be visually appealing and easy to navigate. Please submit your past work and any other relevant experience in your application.
I'm in need of a talented WordPress developer to create a professional website for my construction company. I've skipped the specific pages and special features questions, as I'm open to suggestions and best practices regarding what to include to make the site appealing and functional. Key requirements include: - full web design and build on CMS tool like Wordpress, drupal - goal of website is to convert leads to sales calls - need someone with good graphic design experience so that the site has a modern look and isn't too cookie cutter/cheap looking - need to be build for web analytics - below are some examples of sites id like to mimic in a way Ideal skills and experience for this job include:
I am looking for a skilled developer to create a comprehensive e-commerce website for my physical products using the Ionic and Vue.js framework. Key Requirements: - Development of an e-commerce website that allows for easy product display and categorization, as well as effortless navigation for users. - Backend API's will be provided by us ] Ideal Skills and Experience: - Proficiency in Vue.js and Ionic framework. - Experience in developing e-commerce websites - Should have good knowledge in UI/UX For more details Refer Doc
I’m seeking a full stack web developer with proficiency in HTML, CSS, JavaScript, Python, Ruby, PHP, Node.js, and React to create a comprehensive hotel booking website. The primary aim of this project is to offer a user-friendly and efficient space for users to book hotels while enjoying a smooth and seamless experience. Features desired include: - Search functionality to enable effortless hotel discovery - Booking management to track and manage users' bookings - Incorporation of customer reviews to enhance customer confidence and choices - Integration of online payment solutions for smooth financial transactions - A Room availability calendar for easy checking of room availability - Multi-language support to cater to a global audience - A chat bot for 24/7 custo...
...skilled trading view indicator developer to create an indicator based on fair value gaps. The indicator will need to include alerts triggered by specific conditions. Details will be discussed later. Should have complete knowledge on trading view. Multiple timeframes will be used including the seconds timeframes. Key Requirements: Indicator: The focus of this project is to develop a robust trend-following indicator for trading purposes based on Fair value gaps. Details will be shared in detail. Basic knowledge about fair value gaps required. Platform: The indicator should be specifically designed for the trading view to work on all platform. Alert System: The indicator will need to include an alert system that can be triggered by specific conditions. These conditions w...
Social media app, React Native, figma design provided, easy
Please apply only if you can start immediately Based on the information provided, it appears you're seeking expert assistance in creating an AWS (Amazon Web Services) solution. While the project details are not specified, the potential scope of the project could involve various AWS services such as EC2, S3, and Lambda. This suggests a focus on cloud computing services to develop and potentially optimize a solution for a specific use case. Given the possibilities, requirements from you as a project manager might include: - Comprehensive understanding of AWS services - Experience in deploying AWS infrastructure - Strong analytical and report writing skills Developing an AWS solution without a specific service focus means the freelancer must have a holistic grasp of AWS. They ...
We're on the hunt for an adept copywriter to create educational website content tailored for young adults. This project aims to relay valuable educational information that's engaging and relevant. Skills and Experience Required: • Proven experience in writing high-quality website content for young adults. • A deep understanding of educational topics and the ability to convey them in an exciting and approachable manner. • Strong knowledge of SEO principles to boost our site visibility. • Excellent writing skills with attention to details, grammar, tone and voice. • Familiarity with brand building through website copy The ideal candidate will have an engaging writing style, be able to work within given deadlines, and produce well-researched, engaging...
...features a mix of content, including talk shows, music, and news and sports. This is what I require: - Development of the app solely for the Android platform - It would be a bonus if the app can support offline listening, but this is not a definitive requirement – I am open to discussion on this point. I provide access to my play store for the person to deploy the app. I will also submit the online radio link Ideal skills and experience: - Proven experience in mobile app development, especially in creating high-quality Android applications - Strong knowledge and experience with internet radio app creation would be highly advantageous - Exceptional understanding of the Android development environment and tools Freelancers who feel confident they can real...
As a business catering to young adults, I'm seeking a talented website developer with adept skills i...in HTML5. I want a static homepage that really grabs attention right from the get-go. Here's what I'm hoping you could help me with: • Dynamic HTML5 Homepage: I'm envisioning a robust and visually captivating homepage with an animated banner. Your knowledge of animation and its integration onto a webpage will be heavily leaned upon during this project. • User-Centric Design: The homepage should be specifically designed to appeal to young adults which is my primary target group. Demonstrable experience in designing webpages that cater to this particular demographic would be beneficial. • Skills: HTML5, CSS3, JavaScript, web animation. E...
I am in need of a skilled website developer, designer and content writer to complete my business website. My website is still under construction. Onky bid if you’re willing to work for low budget about $60 and want some good reviews for your portfolio. The website is about selling pipe fittings, pipe, flanges, and valves. Visit my website
We are developers, designers, and builders. We have a seven-unit townhome project which will incorporate two different floor plans, as well as a reversed plan of each of the two primary plans. We will create all construction drawings, details, and specifications for the project. We require an architect to review the plans, make any recommendations necessary, and then provide a stamp for our drawings. The Architect may provide a quote and a timeline for production services. Best, Mike
I am looking for a highly experienced developer specifically skilled in Backtrader and Interactive Brokers integration to create an intricate trading strategy. Key components of this strategy include: - Incorporation of risk management tools to safeguard investments - Multiple time frame analysis for comprehensive market overview - Utilization of Exponential Moving Average (EMA) in decision making I require the strategy's entry and exit criteria to be based on: - Moving average crossovers to identify potential market opportunities - Identification of support and resistance levels to pinpoint price boundaries - Breakout strategy implementation to exploit significant price moves I am open to discussing other elements that you think might be beneficial to the strategy, your in-dep...
I'm looking for experienced website developers who can create an E-commerce platform that can handle a v...handle transactions smoothly and securely. - Payment methods: I'm looking to integrate the platform with a variety of payment methods, including Credit Card, PayPal, and UPI. Experience in integrating these payment gateways is a must. - Physical products: The platform will be used to sell physical products, so the site will need to be able to handle product listings, shopping carts and checkout processes. Ideal skills and experience: - Proficiency in E-commerce website development is a must. - Experience in integrating multiple payment gateways, ideally including Credit Card, PayPal, and UPI. - Previous experience with developing platforms for selling physical...
I'm looking for a skilled developer to create a Bitcoin HD wallet with specific features for the web platform. This wallet should also enable the tracking of incoming deposits and ensure secure user authentication. Key Features: - Generate new Bitcoin addresses: The wallet must be able to create and manage a sequence of addresses derived from a single seed. - Monitor transactions: The platform should provide real-time updates on incoming transactions to the user's wallet. - Secure user authentication: secure authentication system to protect the user's funds and personal information. Ideal Skills: - Proficient in Bitcoin and Blockchain technology - Strong experience in web development and security - Familiarity with HD wallet implementation - Knowledg...
I'm seeking an adept software developer to create a complexity log...to automatically assign tasks based on the service requirement. - Material Assignment: It should also manage the assignment of materials to each task. - Inventory Management: Lastly, the software should keep track of our inventory with the utmost precision for efficient operations. REQUIRED SKILLS & EXPERIENCE: - Proven experience in software development - Knowledgeable of PostGREST for backend - Proficient in Angularand Ionic for mobile and web application developmen - Previous experience in creating logistics software will be an advantage I look forward to working with a developer who shares my vision of creating a system that efficiently manages logistics while ensuring smooth workflow amid...
Hi Unsa A., I would like to offer you my project. We can discuss any details over chat.
Hi, I am a python programmer and I am trying to ...and who already knows how to play poker to be able to understand what I want my bot to do, and transcribe it in code. I already have a warbot profile so I do not need a full poker bot from scratch. Details: - the bot is going to play spin (3 players) on a poker skin already available in the warbot list - it needs to adapt based on the opponents (I will provide with a list of players against whom it has to change some choices in game) -it needs to base its choices on a few specific decisional processes that I will tell you, but they won t be complex, it will all be pretty straightforward Obviously I will tell you exactly what I need the bot to do in advance in further details, in order to avoid misunderstandings and problem...
...transition while enhancing the user experience. Need a new domain. Upload over 100 products. Need seo, fraud detection, need my website to be viewed even while customers are at work in a government agency with no restrictions to entering websites. Key Features Needed: - Product Customization Options: The ability for my customers to tailor and personalize their purchases. - User Accounts and Profiles: A seamless system for users to create accounts, save preferences, and view order history. - Advanced Search and Filter Options: A robust search functionality with filters to help customers find products quickly and easily. This project will involve not just the migration of the current site but also the creation of a new domain. I need a skilled web...
...for my project. The source of data will be Excel files. The Project involves: - Designing and implementing Interactive filters in the dashboard to allow ease of navigation and data manipulation. - Integrating dynamic graphical elements which include Pie Charts, Line Graphs, Bar Graphs, and Box-and-wisker Plots. Ideal Skills & Experience: - Strong expertise in Tableau dashboard design and development - Prior experience working with Excel datasources - Excellent in designing interactive filters - Proficiency in creating different types of graphical data visualizations on Tableau - Attention to detail for error-free dashboard deployment - Strong communication for updates and clarifications If you meet these qualifications and have a keen eye for detailed and aesthetic dat...
I'm in need of an expert in software engineering, particularly in the realm of Windows game engine development using C#. The project requires the implementation of a robust physics engine into the game engine. Key Requirements: - Proficient in C# programming for Windows platform - Demonstrable experience in game engine development - Strong understanding of software engineering principles The main focus will be on integrating a physics engine into the existing framework of the game engine. If you have experience in creating 2D or 3D physics engines, that would be a huge plus. It is important that you are able to work independently and are self-driven, as the project will involve a lot of individual problem solving and innovation. Experience with multiplayer capa...
I'm in need of a seasoned developer who has experience working with CMS systems and cloud services like AWS. The primary focus for this project is building an automated blog content system, leveraging GPT for content generation. Key Requirements: - Proficient in CMS (WIX is a plus) - Strong experience with GPT or similar AI tools - Able to design and implement highly customized content for different user profiles - Expertise in AWS is a big plus I need a developer who can seamlessly integrate these technologies to create a dynamic, user-friendly blog system. The ability to provide recommendations and creative solutions based on your experience is highly valued. Your work will be pivotal in creating a unique, engaging experience for our blog readers.
...needs to exude a modern and minimalistic design aligning with our current brand aesthetic. Here are the essential features I need to be included: - RSVP Management: To assist in tracking who will be attending the events. - Guest List Management: To ensure smooth coordination and organization of attendees. - Wedding Day Timeline: For easy day-of planning and scheduling. - Photo Sharing: A space for guests to share their cherished moments. And also we have to promote different vendors categories ...maybe this option is good idea to connect with the categories of our wedding website Ideal freelancers would have a solid background in mobile app development, preferably with experience in wedding-oriented or event planning applications. Familiarity with design aesthetics a...
I am in need of a proficient developer who can assist me to complete my project on React Js which is a crypto chess game. The ideal candidate should have the following skills and experience: * Frontend development - The design and theme of the game should be in classic style. It's paramount to have a good understanding of user interface and experience. Knowledge of React Js is mandatory. * Backend development - This involves creating a secure and efficient server-side system. Proficiency in Node Js or any suitable scripting language is crucial. * Database integration - You will be tasked with integrating MongoDB into the project. Knowledge and experience in MongoDB use is required. Specific features to be added include: * Real-time multiplayer - This includes f...
...app developer to create a service, mirroring the key features of the 'Zello' app, for both iOS and Android platforms. I want to launch a similar app that rivals Zello in its impressive capabilities. Main Features: - Push-to-Talk (PTT) Voice Messaging - Location Sharing - Status and Availability Information - Chat Share Image Location Ideal Skills: - Solid experience in cross-platform app development - Ability to replicate Zello's key features - Expertise in PTT Voice Messaging technology - High-level competency in integrating location-sharing features I am planning to complete this project within a month. It would be greatly appreciated if the interested candidates can demonstrate a strong understanding of the Zello app, and its operational dynamics. Let's...
Our goal is to develop a Reactive Web App that would help match care-providers with care-seekers (similar to what SitterCity does). We have requirements specs that we can provide to help get started on the project. The App must have web and mobile user authentication, as well as e-commerce integration and social media integration. For the e-commerce aspect, we would need features like checkout, payment processing, billing, etc. The social media integration should include features like logging in using social accounts, etc. We’re looking for in-depth knowledge of Web App development process, someone who can develop efficiently and according to our design specifications. Experience with creating an App with similar functionalities is a m...
I'm seeking a seasoned developer well-versed in C# and Selenium to create a bot to facilitate automation on Facebook Marketplace. The bot that I'm envisioning would need to perform the following tasks: - Can use multiple accounts, log into several accounts to enter automatic Facebook marketplace listings or Facebook group posts, logged in accounts are saved and can be opened without re-entering the password - Autopost Facebook Marketplace Create Product Title, product description, Product Category, Product Condition, location and product price range, Product Availability, Product Label / Keywords can be separated by commas, SKU Only We Can See. After inputting, you can automatically select a location, especially for the Indonesian region. - Can upload autoposts to Faceboo...
I am in need of a professional Android developer to create a live streaming app with the three key features of live chat, virtual gifts, and social media integration. Key Features: - Live Chat: The app should allow users to chat in real-time with streamers. - Virtual Gifts: Users should be able to gift virtual items to their favorite streamers during live broadcasts. - Social Media Integration: The app should seamlessly integrate with popular social media platforms, allowing users to share their favorite streams. Ideal Skills: - Proficient in Android app development - Experience with live streaming technologies - Familiarity with in-app chat and gift systems - Previous work involving social media integration
I am looking for patent lawyer or licensed patent agent to help my Canada patent application: Application claims have Indefiniteness, Lack of Clarity, not comply with section 60 of the Patent Rules. If you can help, please submit your profiles, Thank you.
I am looking for a mobile app developer to create a rideshare app that will be available on both iOS and Android platforms. Although I have a rough idea for the app design...to suggestions from the developer. The most important feature that I want to include in the app is GPS tracking to ensure accurate location tracking for both drivers and passengers. Other features such as in-app payments and ratings and reviews are also important to provide a seamless and reliable user experience. Ideal skills and experience for the job include: - Proficiency in mobile app development for both iOS and Android platforms - Experience in implementing GPS tracking functionality in mobile apps - Knowledge of in-app payment integration - Familiarity with implementing ratings and reviews features in m...
...developer to work on a comprehensive mobile wallet application. This project will involve: - Design customization: I need distinct color scheme, font style, and layout tweaks to give the app a unique look and feel. - Server setup: I require load balancing, security protocols, and scalability options to ensure the app's performance and security. - Feature enhancements: The app should include payment integration, transaction history, and promotions/discounts features. - UI/UX improvements: I need assistance in redesigning the user interface to ensure a seamless, intuitive user experience. Ideal candidate for this project should have: - Proven experience in mobile app development, particularly with wallet applications. - Strong design skills for UI/UX enhancemen...
I'm in need of an experienced web developer to create an interactive multiple choice exam website. This platform is intended to be a valuable resource for both educators and students alike. Key Features: - Support for multiple choice exams: The website should allow for the easy creation and administration of multiple choice tests. - User accounts: The website will require user accounts for exam takers. These should be simple and easy to create, but also secure. - Comprehensive dashboard: Both users and admins should have access to a comprehensive dashboard for tracking user progress and other key performance metrics. Ideal Skills: - Proficiency in web development, particularly with creating interactive websites - Experience with user account management...
I'm currently seeking a skilled developer with extensive knowledge of HTML & CSS for immediate website development. This project won't include any specific functionalities like e-commerce platform or blog; we'll delve into those details once the overall website is developed. Key attributes: - Proficiency in HTML & CSS - Quick turnaround time - Strong communication skills - Ability to work under tight deadlines If you feel you can deliver this project in a timely manner, please don't hesitate to bid. I need this project to be completed ASAP. Let's get this job rolling!
...be based on 3D modeling and rendering, not AR or VR. This should mirror the style of IKEA's PAX Planner. - The configurator should be accessible across different platforms, including web browsers, mobile apps, and desktop applications. - We already have the 3D models for the furniture products in .max and/or .3ds file types, so these will need to be integrated into the configurator. Ideal Skills and Experience: - Proficiency in 3D modeling and rendering is paramount. - Prior experience in developing similar product configurators is highly desired. - A strong understanding of web and mobile application development. - Fluent in the English language. Please provide examples of previous similar projects you have worked on when bidding....
I am in need of a website maintenance specialist to help me with the following tasks: - Content updates on a monthly basis - Security updates as needed - Design changes as needed - Products added from Alibaba Skills and experience needed for the job: - Proficiency in Shopify - Knowledge of website security measures - Experience with web design and development - Excellent communication skills and attention to detail The ideal candidate should be able to work efficiently and provide high-quality results within the specified time frame. I am looking for a freelancer who can assist me with website maintenance. The tasks that need to be done include updating the content, fixing bugs/errors, and optimizing the website. Specifically, I need help...
I want a simple platform using APIs and web sockets to collect real time data and calculate the values and show in the form of heatmap using plotly heatmaps. I need 4 features. Liquidation heatmap, order book, net position heatmap and liquidation level. Please read attached requirements before sending a bid. And please quote actual amount
Integrated Al-Quran Education System Development Brief: Create a digital platform for Al-Quran education that features student progress tracking and transparent reporting. The system will utilize PHP Laravel, Flutter or .NET Core, with MySQL/MariaDB on a Linux server. Key Features: User registration for different roles: Admins, Teachers, Guardians, and Students. Payment options both online and offline. Attendance and performance monitoring tools. Video tutorials for Quranic concepts. Requirements: Experience in educational technology. Quick turnaround and budget adherence. Deliverables: Complete web application. User guide and maintenance support. Proposal Needs: Approach, timeline, and cost.
I have some ideas regarding the design of the app but I need assistance in finalizing it. I'm looking for a Flutter developer with experience in Magento to replicate the look and feel of my website in an app. Key Requirements: - Convert ideas into a polished app design - Implement Magento features in the app Deadline: - I'd like the project completed as soon as possible Ideal Candidate: - Proficient in Flutter app development - Experience with Magento - Strong UI/UX design skills - Ability to work efficiently under tight deadlines Please provide examples of your previous Flutter projects and experience with Magento in your proposal.
I am seeking an experienced iOS App Developer from Pakistan who can assist with bug fixes and further development of my application. Key Requirements: - Proficient in Swift, Objective-C, or C++ - Experienced in iOS app development - Able to effectively troubleshoot and fix bugs - Comfortable with ongoing development tasks Ideal Applicant should: - Have a strong portfolio of past work - Be able to provide proof of experience in iOS app development - Demonstrate an ability to work collaboratively and communicate effectively - Be comfortable working in an environment with continuous development iterations Please include your experience in your application.
I'm in need of a software developer to create a comprehensive solution for organizing and managing computer-based tests. Key Features Needed: - User Registration and Login: The software should allow for the creation and management of user accounts. - Question Bank Management: It needs to support the management of a database of test questions. - Test Scheduling and Timer: The software should also provide scheduling for tests and a timer feature for exam sessions. - Setting of Question Paper: The system should have a feature to set up question papers for each test. - Intuitive GUI for Examinee: A user-friendly graphical interface for test takers. - GUI for Result Preparation: Additionally, a graphical interface for staff to prepare and analyze results. Platform Compatibility: -...
