AI Agents Open Source Tools

Alternative toAdobe PDF Extract API

Rust-powered PDF parser with smart OCR routing for AI pipelines

• 19,698 GitHub stars
• MITLicence MIT

Alternative toGrok Bot

Open source Agent OS built in Rust with autonomous agents

• 18,212 GitHub stars
• Apache-2.0Licence Apache-2.0
• #AI Agents

Alternative toBrowserbase

AI agent browser with shared Chrome state, zero cost

• 18,122 GitHub stars
• MITLicence MIT
• #AI Agents

InCommunication & Collaboration

Official Lark/Feishu CLI with 200+ commands and AI Agent Skills

• 17,758 GitHub stars
• MITLicence MIT
• #AI Agents

Alternative toMuse

Self-hosted open source personal assistant for your server

• 17,595 GitHub stars
• MITLicence MIT
• #AI Agents

Alternative toAdobe Photoshop

Free Photoshop-style image editor for Apple silicon Macs

• 17,569 GitHub stars
• MITLicence MIT

Alternative toE2B

Sandboxed runtime for autonomous AI agents, open source by NVIDIA

• 16,848 GitHub stars
• Apache-2.0Licence Apache-2.0
• #AI Agents

Alternative toKatalon Studio

Simple end-to-end testing for iOS, Android, and web apps

• 16,149 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Testing

Alternative toMem

Self-organizing AI second brain for Obsidian, plain Markdown

• 15,696 GitHub stars
• MITLicence MIT
• #LLM

Alternative toAirtable

Airtable alternative with an AI chatbot builder, self-hostable

• 15,639 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #Database

Alternative toLlamaParse

Document parsing and ETL for LLMs, RAG pipelines, and AI agents.

• 15,583 GitHub stars
• Apache-2.0Licence Apache-2.0
• #LLM

Alternative toGitHub

Git, CI/CD, issue tracking, wikis, and AI agents on your own server.

• 15,318 GitHub stars
• MITLicence MIT