Open-source alternatives to Windsurf

AI Tools · 3 free & open-source options

Looking to replace Windsurf with something free and open-source? These 3 tools are the best open alternatives in 2026 — most are self-hostable, so you keep full control of your data and pay no subscription.

Void ›Apache-2.0
Open-source Cursor alternative built on VS Code.
Continue ›Apache-2.0
Open autopilot extension for VS Code and JetBrains, any model.
Aider ›Apache-2.0
AI pair programming in your terminal with git integration.

At a glance: how they compare

Click a column to sort — the best one depends on what matters to you.

AlternativeStarsLanguageLicenseLast commitIn one line
VoidApache-2.0Open-source Cursor alternative built on VS Code.
ContinueApache-2.0Open autopilot extension for VS Code and JetBrains, any model.
AiderApache-2.0AI pair programming in your terminal with git integration.

Which one should you pick?

Void

Open-source Cursor alternative built on VS Code. Its Apache-2.0 license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.

Continue

Open autopilot extension for VS Code and JetBrains, any model. Its Apache-2.0 license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.

Aider

AI pair programming in your terminal with git integration. Its Apache-2.0 license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.

Switching from Windsurf without the drama

  1. Export your data from Windsurf first — most tools above can import standard formats.
  2. Run your top pick in parallel for a week or two before committing; self-hosted options can be tried locally in minutes.
  3. Migrate one team or one project at a time, keeping the old account read-only until everything checks out.

FAQ

What is the best open-source alternative to Windsurf?

The top open-source alternative is Void — Open-source Cursor alternative built on VS Code. The full ranked list is above.

Are these Windsurf alternatives free?

Yes. Every tool listed is open-source and free to use; most can be self-hosted so you keep full control of your data.

Can I self-host an alternative to Windsurf?

Most of these tools are designed to run on your own server or machine, giving you privacy and no subscription fees.

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