Apps similar to Codex include opencode, which is free and open source. Other options are Google Antigravity, Claude Code, 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.
Agent Teams AI is a free, open-source app for running an autonomous team of AI agents. Agents take ownership of tasks, pass work to each other, and review each other's changes while you stay in control. You can start with a free model with no signup, API key, or card.
DeepSeek Harness (dsh) is an open-source agent harness from DeepSeek AI for building and running customizable AI agents. Its everything-is-a-plugin architecture, powered by Cordis, makes models, tools, skills, sessions, sandboxes, storage, scheduling, UI and other capabilities...
China
I built Claw-coder because I wanted a coding agent that could actually work with local models instead of relying entirely on a hosted model.
Uganda
The 100 line AI agent that solves GitHub issues or helps you in your command line. Radically simple, no huge configs, no giant monorepo—but scores >74% on SWE-bench verified!.
Free, open-source desktop AI agent operates locally, runs on all major operating systems, supports various AI models, reads and writes files, makes precise code edits, executes commands with permission, keeps code and data on-device, and requires no setup or API key.
China
AICode is a VS Code extension that helps software developers maintain large, complex enterprise software using AI.
France
EU
Tatastu is the friendly desktop app for building with Claude. It is the visual home for Claude Code and a calmer alternative to editors like Cursor, made for people new to coding or who just want it to feel simple.
United States
Konxios is a Mac desktop app that sits on top of Ollama/LMStudio and turns local models into a full AI assistant with an actual workspace.
United States
A coding-focused perk of the Kimi membership, engineered to drop into any dev workflow, answer faster and more reliably, and get programming tasks done in record time.
China
OB-1 is a terminal-based coding agent — like Claude Code, but with multi-model access and self-optimizing workflows. You bring your own API keys (or use ours), pick the best model for each task, and let OB-1 handle the rest.
United States
NetherlandsEU
ShaggAi is a local-first AI automation and autocomplete platform that turns natural language into real actions on your PC and adds Copilot-style “ghost text” to almost any editor.
GermanyEU
