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.
OpenBot is an open-source, local-first platform for running and coordinating AI agents. It provides a local agent server where agents can process events, manage threads and channels, use plugins, and interact through a small API designed for agent-based automation.
The self-hosted AI workflow automation platform for Git repositories (supports fully air-gapped operation)
Germany
EU
Shellular connects your phone to your development computer over an encrypted connection. Get a full terminal emulator, AI coding agents, a file manager with Git integration, an in-app browser with DevTools, and real-time system monitoring — no SSH setup required.
India
Reika is a coding agent that runs in your terminal and works with any OpenAI-compatible model server: llama.cpp, MLX, vLLM, or a cloud API. It was designed around small local models first (8B–35B, often heavily quantized, on a 16–32k context window), so it is careful with...
Canada
AI-native Laravel development platform. Build full-stack Laravel/Vue apps in your browser with an AI agent that understands your entire codebase — not just the file it's looking at.
United Kingdom
AI-powered repository intelligence platform for understanding unfamiliar codebases through structural code analysis and semantic retrieval.
India
Next-Gen autonomous AI software engineer, combining dual-engine intelligence, 136+ MCP tools, real-time voice-to-code, and native desktop app.
Bangladesh
United States
Multi-agent orchestration covers full dev lifecycle: agents spec, plan, build, test, review, and deploy code in cloud with GitHub, VS Code, Docker, encrypted networking, custom LLM use, and voice chat. Supports pay-as-you-go billing and $10 free credit.
The production team for AI-built apps. Import your app, fix what's broken, start charging, keep it running. Replaces the engineer or freelancer builders would hire.
FranceEU
Azent is an AI coding agent that lives inside Azure DevOps, letting you trigger it from work items and pull requests to implement features, fix bugs, review PRs, address review comments and basically anything else — all without leaving the browser.
Switzerland
From understanding legacy monoliths to shipping real-time features, ZCode keeps every engineer on the frontier of software development. ZCODE tracks context across repos so it can reason about your entire stack.
China
