Best Free & Open Source Alternatives to Windsurf

Looking for a free or self-hosted alternative to Windsurf? Below you'll find the best open source options — community-driven tools that let you own your data without vendor lock-in or recurring subscription costs.

Windsurf (by Codeium) is an AI-powered IDE with deep contextual awareness, agentic AI flows, and multi-file editing capabilities for developers.

Modo

Open-source AI IDE that plans before it codes, using spec-driven development with requirements, design, and task steps.

Alternative to:

Cursor

Windsurf

Windsurf (by Codeium) is an AI-powered IDE with deep contextual awareness, agentic AI flows, and multi-file editing capabilities for developers.

Visit Windsurf