Best Open Source Alternatives to Codex CLI

2 open-source tools that can replace Codex CLI. Compare tech stacks, licenses and stars below.

MCPGPL-3.0

Free open-source desktop downloader and AI agent GUI for 1,800+ sites, courses, and local LLMs.

14k·AI Agents·Open source

Alternative to

Apache-2.0

Open-source meta-harness to orchestrate AI agents like Claude Code, Codex, and Cursor with policies, sandboxing, and cro

9.5k·AI Agents·Open source

Alternative to