head to head · open source
twinny vs 0
twinny has 3,699 GitHub stars, 243 forks, 48 open issues and last shipped 3 days ago. 0 has 1,356 stars, 179 forks, 3 open issues and last shipped today. twinny leads on adoption by 173% (3,699 vs 1,356 stars). twinny is written in TypeScript under MIT; 0 is written in TypeScript under Apache-2.0. twinny has attracted 7% as many forks as stars, 0 13%. 0 was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (code-review), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| twinny | 0 | |
|---|---|---|
| GitHub stars | ★ 3.7K | ★ 1.4K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-12 | 2026-11-15 |
| Forks | ⑂ 243 | ⑂ 179 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick twinny if
- You weight community size — 3.7K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick 0 if
- You want the 0 feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and 0 fits your workflow better
About twinny
twinny The AI coding assistant for Visual Studio Code that stays inside your network. Code completion, inline edits, chat, code review and more, on a model server you choose: on your machine, on another of your devices, on a hosted API, or on one gateway your whole team shares. Free, open source, MIT licensed, no telemetry, no sign in. Install from the Marketplace · Documentation · What's new · Changelog · Teams · 中文 · Português (BR) For teams: one gateway on your network serves every developer's VS Code, with a key per person, usage, policy and an admin page. npx twinny server quickstart sets it up. Free for…
read the full twinny overview →
About 0
The open source cybersecurity harness Backed by 0security automates vulnerability discovery, fixing and verification workflows. Watch the 45 second harness launch film The Swiss Applied AI & Cybersecurity Research Lab Quick start Open a new terminal after installing, or run export PATH="$HOME/.0/bin:$PATH" in the current one. 0 opens the local browser console: in Connections , add a model provider or supported subscription, choose a workspace, and start a chat. Prefer the terminal? Set a provider key and review a local repository: Review failures and incomplete coverage before reading an empty result as clean…
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Frequently asked questions
Is twinny or 0 more popular?
twinny has 3,699 GitHub stars and 0 has 1,356. twinny has the larger community by that measure.
Are twinny and 0 free?
Both are open source. twinny is licensed under MIT and 0 under Apache-2.0. Neither carries a licence fee.
What is the difference between twinny and 0?
twinny is written in TypeScript and 0 in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, twinny or 0?
Choose twinny if you want the larger community (3,699 stars) or its MIT licence terms. Choose 0 if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.