head to head · open source
Onlook vs cpeditor
Onlook has 27,118 GitHub stars, 2,139 forks, 380 open issues and last shipped 16 days ago. cpeditor has 2,192 stars, 167 forks, 79 open issues and last shipped 6 days ago. Onlook leads on adoption by 1,137% (27,118 vs 2,192 stars). Onlook is written in TypeScript under Apache-2.0; cpeditor is written in C++ under GPL-3.0. Onlook has attracted 8% as many forks as stars, cpeditor 8%. cpeditor was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ide), 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
| Onlook | cpeditor | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 2.2K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | TypeScript | C++ |
| Last push | 2026-10-21 | 2026-10-31 |
| Forks | ⑂ 2.1K | ⑂ 167 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Onlook if
- You weight community size — 27K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick cpeditor if
- You want the cpeditor feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches C++
- You evaluated both and cpeditor fits your workflow better
About Onlook
Onlook The design tool for AI native designers — now in early access. Onlook makes designing on top of your codebase effortless. Craft exceptional experiences with AI in code. → Join the waitlist 👨💻👩💻👨💻 We're hiring engineers in SF! 👩💻👨💻👩💻 View Demo · Report Bug · Request Feature [![Discord][discord shield]][discord url] [![LinkedIn][linkedin shield]][linkedin url] [![Twitter][twitter shield]][twitter url] 中文 Español Deutsch français Português Русский 日本語 한국어 This is the open source visual editor that started Onlook (Next.js + Tailwind). The hosted product we're building next, for AI native…
read the full Onlook overview →
About cpeditor
CP Editor Boost your competitive programming experience! Features · Documentation · Changelog · Contributing · FAQ Νέα Ελληνικά English 日本語 Português brasileiro Русский 简体中文 正體中文 beta v7.1 Get Started Releases Installation Get Started Preferences Tips Donate How to donate Donor list Contributing Contributing Guidelines Good first issues Help wanted issues Feedback Ask questions: Open a new discussion in the Q&A category. Please Mark as Answer when you get a helpful reply. Provide ideas: Open a new discussion in the Ideas category. Formal features request/bug report: Open an issue with a detailed description and…
read the full cpeditor overview →
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Frequently asked questions
Is Onlook or cpeditor more popular?
Onlook has 27,118 GitHub stars and cpeditor has 2,192. Onlook has the larger community by that measure.
Are Onlook and cpeditor free?
Both are open source. Onlook is licensed under Apache-2.0 and cpeditor under GPL-3.0. Neither carries a licence fee.
What is the difference between Onlook and cpeditor?
Onlook is written in TypeScript and cpeditor in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Onlook or cpeditor?
Choose Onlook if you want the larger community (27,118 stars) or its Apache-2.0 licence terms. Choose cpeditor if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.