Pi Agent is described as 'Pi is a minimal terminal coding harness. Adapt pi to your workflows, not the other way around, without having to fork and modify pi internals' and is a ai coding assistant in the development category. There are more than 50 alternatives to Pi Agent for a variety of platforms, including Mac, Windows, Linux, Visual Studio Code and Web-based apps. The best Pi Agent alternative is Void, which is both free and Open Source. Other great apps like Pi Agent are Google Antigravity, Gemini CLI, opencode and Claude Code.