AI Agents Open Source Tools

Alternative toCClaude Managed Agents

Open-source agent harness for reliable, long-running LLM agents

• 6,315 GitHub stars
• MITLicence MIT
• #LLM

Alternative toVapi

Open source voice agent builder with telephony and BYOK AI support

• 5,915 GitHub stars
• BSD-2-ClauseLicence BSD-2-Clause

Alternative toComposio

One token for 2,600+ agent tools across 47 providers

• 5,904 GitHub stars

Alternative toKimi Work

Local-first AI agent workspace with append-only execution logs

• 5,859 GitHub stars
• Apache-2.0Licence Apache-2.0
• #AI Agents

Alternative toConductor

Spawn coding agents that run infinitely in parallel cloud VMs

• 5,852 GitHub stars
• MITLicence MIT
• #AI Agents

Alternative toE2B

Kubernetes-native sandbox runtime for AI agent execution

• 5,621 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toBuildBetter

Git-backed AI config sync for engineering teams

• 5,611 GitHub stars
• MITLicence MIT
• #AI Agents

InAI & Machine Learning

Build and debug ComfyUI image workflows using natural language

• 5,554 GitHub stars
• MITLicence MIT
• #AI Agents

Alternative toClaude Science

Open-source AI workbench for reproducible scientific research

• 5,304 GitHub stars
• Apache-2.0Licence Apache-2.0
• #AI Agents

Alternative toGrok Bot

Your AI agent team in a chat app, local-first and Apache-2.0 licensed

• 5,280 GitHub stars
• Apache-2.0Licence Apache-2.0
• #AI Agents

Alternative toTablePlus

Open-source desktop SQL workspace with AI, notebooks, and MCP

• 5,253 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Database

Alternative toChatGPT

Control your AI infrastructure with Thunderbolt

• 4,799 GitHub stars
• MPL-2.0Licence MPL-2.0
• #AI Agents