Developer Open Source Tools

Alternative toChatGPT

Run open source LLMs on your own hardware with no cloud required

• 45,052 GitHub stars
• Apache-2.0Licence Apache-2.0
• #LLM

Alternative toOpenRouter

One API gateway for Claude, OpenAI, Gemini, and Grok subscriptions

• 44,709 GitHub stars
• LGPL-3.0Licence LGPL-3.0

Alternative toBrowserbase

Browser automation CLI with ref-based snapshots for AI agents

• 44,470 GitHub stars
• Apache-2.0Licence Apache-2.0
• #AI Agents

InAI & Machine Learning

Ten-module Claude Code tutorial with copy-paste templates

• 43,229 GitHub stars
• MITLicence MIT

Alternative toSnyk

Multi-phase security audits with machine-readable findings

• 43,188 GitHub stars
• MITLicence MIT

Alternative toRevEng.AI

AI skill router for reverse engineering and penetration testing

• 43,116 GitHub stars
• MITLicence MIT

Alternative toMotherDuck

Fast in-process SQL analytics database, no server needed

• 42,470 GitHub stars
• MITLicence MIT
• #Database

Alternative toKhanmigo

Agentic framework for lifelong personalized tutoring

• 42,299 GitHub stars
• Apache-2.0Licence Apache-2.0
• #AI Agents

Alternative toIntel oneAPI C++ Compiler

Modular compiler infrastructure behind Clang, Rust, and Swift.

• 41,193 GitHub stars
• CustomLicence Apache-2.0 with LLVM Exceptions

Alternative toAdobe ColdFusion

Open source PHP interpreter for web and server-side scripting

• 41,164 GitHub stars
• BSD-3-ClauseLicence BSD-3-Clause

Alternative toRetool

Build internal tools with a drag-and-drop UI and 50+ connectors

• 41,122 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #No Code

Alternative toRetool

Build internal tools with a low-code drag-and-drop UI

• 41,111 GitHub stars
• Apache-2.0Licence Apache-2.0