An open agent platform that runs on your machine and works from the chat apps you already use

DeepSeek Harness: Everything is a Plugin.

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

The open-source app everyone uses to manage agents at work

Build AI Agents, Visually

The open-source control plane for coding agents.

Mastra is the modern TypeScript framework for AI-powered applications and agents.

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

Building applications with LLMs through composability

The open-source hub to build & deploy GPT/LLM Agents

Open-source Grok Bot alternative with a virtual machine that bots can use

Generative UI SDK for React

AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework

Command a team of AI agents from one desktop chat

The sandbox agent framework.

Self-hosted TypeScript agent runtime with durable approvals and verifiable run records. Own it, approve it, audit it.

A filesystem-first framework for durable AI agents

SDK that enhances your applications with AI capabilities

Data framework for your LLM applications. Focus on server side solution

Multi-harness control plane for Claude Code, Codex, Cursor, and OpenCode: quota-aware rotation across multiple Claude/Codex subscriptions, shared thread context, and cross-model review.

Multi-agent task orchestration for coding agents. Turn one goal into an ordered plan of tasks (each with its own runner, model and mode), then execute and verify the results.

Local AI coding orchestration for repo-scale work: LLM-council planning, Ralph-loop recovery, isolated OpenCode worktrees, and human-gated PR delivery.