The best Antigravity alternatives
3 tools that do a similar job to Antigravity, 3 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.
You're replacing
AntigravityA plugin that lets the Opencode coding tool sign in to Google's Antigravity IDE via OAuth to use its models.
- 1
wshobson/agents
Open source · MIT · ★ 42.1k
A collection of plugins, agents, skills, and commands that run across several AI coding tools.
Best for: Developers who already use one of the listed AI coding tools and want ready-made specialist agents; Python or JavaScript/TypeScript developers looking for testing, packaging, or project setup guidance
- 2
oh-my-claudecode
Open source · MIT · ★ 40.5k
Multi-agent orchestration layer for Claude Code, installed as a plugin or npm CLI.
Best for: Developers already using Claude Code who want multi-agent workflows; Teams experimenting with parallel AI agents on coding tasks
- 3
opencodex
Open source · MIT · ★ 18.2k
A local proxy that lets Codex and Claude Code use models from other providers.
Best for: Developers who already use Codex or Claude Code and want to try other model providers; People who want one local dashboard to manage multiple provider keys and models
How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to Antigravity. We don't take payment for placement.