head to head · open source
Outline vs mindforger
Outline has 40,628 GitHub stars, 3,569 forks, 78 open issues and last shipped yesterday. mindforger has 2,719 stars, 173 forks, 625 open issues and last shipped yesterday. Outline leads on adoption by 1,394% (40,628 vs 2,719 stars). Outline is written in TypeScript under a custom or non-standard licence; mindforger is written in C++ under GPL-2.0. Outline has attracted 9% as many forks as stars, mindforger 6%. Outline was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| Outline | mindforger | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 2.7K |
| License | Custom / other | GPL-2.0 |
| Written in | TypeScript | C++ |
| Last push | 2026-09-19 | 2026-09-19 |
| Forks | ⑂ 3.6K | ⑂ 173 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Outline if
- You weight community size — 41K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick mindforger if
- You want the mindforger feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches C++
- You evaluated both and mindforger fits your workflow better
About Outline
Outline is an open source knowledge base application built with React and Node.js, designed for teams needing a fast, collaborative documentation platform. It runs as a self hosted service or via a hosted option at getoutline.com, and its source code powers the public instance along with all supporting services. The project lives in the JavaScript/TypeScript ecosystem and uses MobX for state management.
read the full Outline overview →
About mindforger
MindForger is a free, open source thinking notebook and Markdown editor for people who keep private remarks — ideas, personal plans, gift tips, how tos, dreams, business vision, finance strategy, auto coaching notes — on their own machine and want to find and connect them again instead of scattering them across the file system, cloud, web, and Post it notes.
read the full mindforger overview →
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Frequently asked questions
Is Outline or mindforger more popular?
Outline has 40,628 GitHub stars and mindforger has 2,719. Outline has the larger community by that measure.
Are Outline and mindforger free?
Both are open source. Outline has no licence declared in this registry, and mindforger is licensed under GPL-2.0. Both are free to self-host.
What is the difference between Outline and mindforger?
Outline is written in TypeScript and mindforger 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, Outline or mindforger?
Choose Outline if you want the larger community (40,628 stars) or its Custom / other licence terms. Choose mindforger if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.