Best Open Source AI Coding Tools in 2025

AI coding assistants have revolutionized how developers write code. Here's our guide to the best open source options available in 2025.

Why Choose Open Source AI Tools?

Privacy - Your code stays private
Model Flexibility - Choose any LLM provider
Cost Control - Bring your own API keys
Customization - Modify to fit your workflow

Top Open Source AI Coding Tools

1. Cline

Cline is a powerful AI coding agent that integrates directly into VS Code. It supports multiple frontier models and can edit files, run commands, and even browse the web.

Best for: Developers who want full AI agent capabilities

2. Continue

Continue is the most flexible open source AI code assistant. It works with both VS Code and JetBrains IDEs and supports any LLM.

Best for: Developers who want maximum flexibility in model choice

How to Choose

Consider these factors:

IDE compatibility
Model preferences
Required features
Privacy requirements

Conclusion

Open source AI coding tools have reached feature parity with proprietary options. Try a few and find the one that fits your workflow best.