Alternatives to Fusion

Agent orchestration platform for running a software factory: loops for code review, ticket-to-PR, and incident triage.

An open-source multi-agent harness that runs a virtual office of AI clones on your existing Claude Code and Codex subscriptions.

Open-source multi-agent framework for role-based software engineering

Open-source platform for autonomous cloud coding agents that fix bugs, review PRs, and automate workflows.

Microsoft's open-source framework for building multi-agent AI workflows.

Open-source autonomous AI coding agent that plans, executes, and deploys tasks inside VS Code and JetBrains IDEs.

Open-source agentic AI data assistant for SQL, code, and reports

Microsoft's open-source SDK for building production-grade AI agents with plugins, memory, and orchestration.

Microsoft's open-source, code-first agent framework for stateful, data-intensive conversational tasks.

Open-source coding agent that edits code and runs terminal commands across IDE, CLI, and desktop.

Open-source AI agent for desktop, CLI, and API — automate code, research, and workflows locally

Multi-project, multi-agent desktop IDE where every repo and Claude/Codex/Gemini session stays open at once.

Open-source desktop workspace to run and route multiple AI coding agents locally.

Run any AI coding agent from anywhere — self-hosted, multi-provider, open source.

Open-source agent orchestration graph that routes every task to the best model.

Containerized open-source coding agent for the terminal with multi-provider support.

Self-hosted open-source AI coding assistant with code completion, answer engine, inline chat, and Pochi agent.

Free ad-free agentic coding with multi-model orchestration for VS Code, Cursor, CLI & more.

Godcoder is a local-first, open-source AI coding agent that builds its own harness on your desktop.

Open-source long-running AI agent loop that codes for days in Docker sandboxes, returning commits.

Foreman is an open-source orchestrator TUI that supervises headless Claude Code agents through a gated delivery pipeline.

Open-source knowledge-graph kernel that gives coding agents full codebase context

Self-hosted, open-source agentic dev IDE for orchestrating multi-agent fleets on your own tailnet.

Multi-agent AI coding assistant for VS Code, launching soon

Zhipu GLM delivers open-source LLM models, MaaS APIs, and autonomous agents for Chinese enterprises and developers.

OpenAI Agents SDK: Lightweight Python framework for building multi-agent workflows with handoffs, sandboxing, and voice.

Mastra is an open-source TypeScript agent framework for building durable AI agents and workflows that run for days.

Crush is a free, open-source agentic coding assistant that runs in your terminal and wires any LLM into your CLI workflow.

Open-source desktop AI agent with autonomous learning loop and deep memory

MiniMax M3: 1M-context coding & agentic AI with native multimodality, plus open-weights video and music models.