Alternatives to Fusion

Open-source Python SDK for building multi-agent workflows with handoffs, guardrails, and voice.

Open-source framework for building multi-agent AI workflows.

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

Open-source terminal AI coding assistant with multi-model support and LSP integration

Chinese enterprise AI platform with open-source GLM models, MaaS APIs, and autonomous agents

Open-source terminal agent that runs natural-language commands on your computer

Open-source autonomous AI coding agent that plans, executes, and deploys end-to-end in your IDE.

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

Open-source, code-first agent framework from Microsoft for conversational data analysis with rich pandas support.

Open-source autonomous coding agent for IDE, CLI, and Kanban board with human-in-the-loop control.

Open-source AI agent for desktop, CLI, and API — code, workflows, and more

Orchestrate coding agents from desktop, mobile, CLI — self-hosted, open source.

Open-source AI coding agent for terminal, IDE, or desktop with model-agnostic support

Open-source terminal coding agent, model-neutral and local-first

Open-source, self-improving AI agent desktop app with a closed learning loop for developers and power users.

Open-source TUI that supervises headless Claude Code agents through a gated software-delivery pipeline.

Open-source, token-efficient AI agent with smart routing and persistent memory.

Open-source AI agent that plans, executes, and evolves autonomously

Open-source AI coding agent for IDE, CLI, and cloud with 500+ models

Open-source desktop AI agent workspace for CLI agents and custom LLM routing.

Open-source coding agent CLI that runs anywhere with any model.

A local-first, open-source AI coding agent that builds and optimizes its own harness autonomously.

Open-source coding model with 300-agent swarm orchestration and long-horizon execution

Free open-source local AI agent — runs entirely on your machine with llama.cpp, no cloud, no API keys.

Open-source desktop app for parallel AI coding agents in isolated Git worktrees.

Open-weight agentic coding models for regulated enterprises needing auditable, on-prem AI.

Multi-agent AI coding assistant for VS Code, currently in pre-launch with a simple landing page.

Assign roles to GPTs to build software collaboratively with MetaGPT's open-source framework.

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

Open tools for loyal, auditable AI agents you control