Browse free open source Agent Harnesses and projects for Mac below. Use the toggles on the left to filter open source Agent Harnesses by OS, license, language, programming language, and project status.
Your own personal AI assistant. Any OS. Any Platform.
Workspace to find, build, and collaborate with AI agents
AI agent harness for AI coding agents
AI agent toolkit: coding agent CLI, unified LLM API, TUI & web UI
Symphony turns work into isolated, autonomous implementation runs
The best agent harness
OpenClaw harness and fleet manager.
Agent harness to make your slop code well-engineered and beautiful
Excalibur is a highly opinionated agent harness
GUI Exploration Lab. One of the best GUI agent solutions
Python framework for AI workflows and pipelines with chain of thought
JS-native framework for building and managing multi-agent systems
Harness LLMs with Multi-Agent Programming
LLM powered fuzzing via OSS-Fuzz
Portable multi-agent harness for .agents-based skills, workflows
Superplan is a CLI-first execution system.