A multi-platform, AI-augmented coding companion ensuring secure development with unit test creation.
Platforms
- Mac
- Windows
- Linux
- BSD
- Visual Studio Code




Apps similar to Codex include opencode, which is free and open source. Other options are Claude Code, Google Antigravity, Cursor and Void. There's no shortage of AI Coding Assistants like Codex, with more than 100 alternatives for Mac, Windows, Linux, the web and self-hosting.
A multi-platform, AI-augmented coding companion ensuring secure development with unit test creation.




Amazon CodeWhisperer is a general purpose, machine learning-powered code generator that provides you with code recommendations in real time. As you write code, CodeWhisperer automatically generates suggestions based on your existing code and comments.




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.






Open-source desktop app for Meta's Muse Code CLI: every project's threads, inline diffs and approvals in one window.




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...


Desktop + web command center for OpenCode, Claude Code, Codex, and Pi. Multi-project AI coding sessions with streaming chat, prompt queue, model switching, and MCP tools.



Local AI agents on your Mac. Private, offline, free. Open models run on Apple Silicon; add ChatGPT, Claude or Gemini only when you choose.



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.




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.


CodeGeeX is an AI-based coding assistant, which can suggest code in the current or following lines. It is powered by a large-scale multilingual code generation model with 13 billion parameters, pretrained on a large code corpus of more than 20 programming languages.



Experience powerful AI without limits. Use our desktop app for everyday AI assistance, or boost your coding productivity with our JetBrains plugin.


