head to head · open source
Cal.com vs liubai
Cal.com has 48,529 GitHub stars, 15,154 forks, 1,432 open issues and last shipped 4 days ago. liubai has 864 stars, 87 forks, 16 open issues and last shipped 3 months ago. Cal.com leads on adoption by 5,517% (48,529 vs 864 stars). Cal.com is written in TypeScript under MIT; liubai is written in TypeScript under AGPL-3.0. Cal.com has attracted 31% as many forks as stars, liubai 10%. Cal.com was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (typescript), 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.
← all 8884 open source comparisons
Side by side
| Cal.com | liubai | |
|---|---|---|
| GitHub stars | ★ 49K | ★ 864 |
| License | MIT | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-14 | 2026-07-02 |
| Forks | ⑂ 15K | ⑂ 87 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Cal.com if
- You weight community size — 49K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick liubai if
- You want the liubai feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and liubai fits your workflow better
About Cal.com
Cal.diy is a fully open source, community maintained fork of Cal.com, stripped of all enterprise and commercial features. It provides a self hosted scheduling platform built on the T3 stack (Next.js, tRPC, Prisma, Tailwind CSS, Zod), licensed under MIT with no proprietary code or license keys required.
read the full Cal.com overview →
About liubai
Liubai is an AGPL 3.0, local first application for notes, schedules, to do lists and tasks with built in AI, written in TypeScript and aimed at individuals and small teams who want to plan their day and collaborate through WeChat without handing their data to a closed service.
read the full liubai overview →
More in Business Software
Related comparisons
More Scheduling & Event Management projects
Compare either of these against the rest of the Scheduling & Event Management field.
Frequently asked questions
Is Cal.com or liubai more popular?
Cal.com has 48,529 GitHub stars and liubai has 864. Cal.com has the larger community by that measure.
Are Cal.com and liubai free?
Both are open source. Cal.com is licensed under MIT and liubai under AGPL-3.0. Neither carries a licence fee.
What is the difference between Cal.com and liubai?
Cal.com is written in TypeScript and liubai 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, Cal.com or liubai?
Choose Cal.com if you want the larger community (48,529 stars) or its MIT licence terms. Choose liubai if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.