OpenAI Codex is described as 'One agent for everywhere you code. Powered by OpenAI’s frontier coding models and included in ChatGPT Plus, Pro, Business, Enterprise, and Edu' and is a ai coding assistant in the development category. There are more than 50 alternatives to OpenAI Codex for a variety of platforms, including Mac, Windows, Linux, Web-based and Visual Studio Code apps. The best OpenAI Codex alternative is Void, which is both free and Open Source. Other great apps like OpenAI Codex are Gemini CLI, Google Antigravity, opencode and Windsurf Editor.
Tabby is an open-source, self-hosted AI coding assistant. With Tabby, every team can set up its own LLM-powered code completion server with ease.
Continue is the leading open-source AI code assistant. You can connect any models and any context to build custom autocomplete and chat experiences inside VS Code and JetBrains.
Jules is an asynchronous agent that gets out of your way. It lets you focus on the coding you want to do, meawnwhile picking up all the other random tasks that you rather not do.
Qoder is an AI-powered agentic coding platform and IDE that automates complex software development tasks using autonomous AI agents.
Autonomous coding agent right in your IDE, capable of creating/editing files, executing commands, using the browser, and more with your permission every step of the way.
AI-powered user interface system generates copy-paste-ready React code using simple text prompts. Enhances design productivity with choices or customizable fine-tuning for refined outputs powered by shadcn/ui and Tailwind CSS. Flexible to adapt to specific project needs straightforwardly.
v0 by Vercel is the most popular iPhone & SaaS alternative to OpenAI Codex.
A multi-platform, AI-augmented coding companion ensuring secure development with unit test creation.
Bolt.new is an in-browser AI web development agent that leverages StackBlitz’s WebContainers to allow for full stack application development. The application presents users with a simple, chat-based environment in which one prompts an agent to make code changes that are updated...
Lightning-fast completions, deep code understanding, and agentic software engineering—right where you work.
The most no-nonsense locally hosted (or API hosted) AI code completion plugin for Visual Studio Code, like GitHub Copilot but 100% free and 100% private.
Trag enhances code review efficiency through AI, allowing specific instructions and pattern linting. Requires GitHub integration, free for open-source uses. Saves substantial engineer time by providing AI-reviewed code ahead of manual inspection.
Visual AI programming platform with a graphical interface for creating, editing, and debugging LLM agent workflows, supporting real-time collaboration, YAML-based version control, open-source TypeScript library integration, and scalable deployment in production environments.
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