Open-source alternatives to Tabnine
Looking to replace Tabnine 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.
At a glance: how they compare
| Alternative | License | Self-hostable | In one line |
|---|---|---|---|
| Tabby | Apache-2.0 | ✓ Yes | Self-hosted AI coding assistant. Runs on your own GPU — no code ever leaves your network. |
| Continue | Apache-2.0 | ✓ Yes | Open-source autocomplete and chat for VS Code and JetBrains, with any model you choose. |
| Twinny | MIT | ✓ Yes | Free, private VS Code completion that talks to a local Ollama or llama.cpp server. |
Which one should you pick?
Tabby
Self-hosted AI coding assistant. Runs on your own GPU — no code ever leaves your network. 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-source autocomplete and chat for VS Code and JetBrains, with any model you choose. 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.
Twinny
Free, private VS Code completion that talks to a local Ollama or llama.cpp server. Its MIT 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 Tabnine without the drama
- Export your data from Tabnine first — most tools above can import standard formats.
- Run your top pick in parallel for a week or two before committing; self-hosted options can be tried locally in minutes.
- 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 Tabnine?
The top open-source alternative is Tabby — Self-hosted AI coding assistant. Runs on your own GPU — no code ever leaves your network. The full ranked list is above.
Are these Tabnine 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 Tabnine?
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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