Replace / Windsurf
Best free Windsurf alternatives (open source, self-hosted) 2026
The best open-source alternative to Windsurf is Continue (or Aider) with Cline, self-hosted on Railway. IDE autocomplete and chat over your models. GitHub Copilot, Cursor, and Windsurf without the seat.
Estimated save $1,200 a year.
Open the stackStart on Railway
How Windsurf compares
| Windsurf | Continue + LiteLLM | |
|---|---|---|
| Pricing model | Hosted subscription | Open-source or fair-code license; you pay the host |
| Hosting | Vendor cloud | Self-hosted on Railway or any VPS |
| Rough monthly cost | Public list price not verified this run | Hosting only — no SaaS seat meter in this repo |
- Continue
Apache-2.0 IDE coding agent (VS Code, JetBrains)
- Aider
Apache-2.0 AI pair programming in the terminal
- Cline
Apache-2.0 autonomous coding agent (IDE, CLI, or SDK)
- LiteLLM
Unified proxy over OpenAI, Anthropic, local models
FAQ
- What is the best free open-source Windsurf alternative?
- The best open-source alternative to Windsurf is Continue (or Aider) with Cline, self-hosted on Railway. IDE autocomplete and chat over your models. GitHub Copilot, Cursor, and Windsurf without the seat.
- Is it free?
- The Continue + LiteLLM licenses are open source or fair-code. You still pay hosting (Railway or any VPS) and any APIs the stack calls. There is no Windsurf seat or task bill on this path.
- Can I migrate from Windsurf?
- Yes. Start with the workflows or data you actually use, then cut over. The Continue + LiteLLM stack page has the agent prompt and the cost table; most teams rebuild the slice that matters and leave old Windsurf links until they expire.
- How do I deploy it?
- Open the Continue + LiteLLM stack, copy the agent prompt, and deploy on Railway (one service, PORT, and a volume when the app needs disk). Continue runs in the editor. LiteLLM is the Railway piece (already a c17 stack). Point Continue at the LiteLLM OpenAI-compatible URL.
- What does this replace?
- GitHub Copilot / Cursor / Windsurf. The published small-team estimate on this stack is $1,200 a year.
Related pages
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