head to head · open source
Cal.com vs laminas-eventmanager
Cal.com has 49,651 GitHub stars, 15,521 forks, 1,432 open issues and last shipped yesterday. laminas-eventmanager has 1,016 stars, 20 forks, 9 open issues and last shipped yesterday. Cal.com leads on adoption by 4,787% (49,651 vs 1,016 stars). Cal.com is written in TypeScript under MIT; laminas-eventmanager is written in PHP under BSD-3-Clause. Cal.com has attracted 31% as many forks as stars, laminas-eventmanager 2%. Cal.com 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
| Cal.com | laminas-eventmanager | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 1.0K |
| License | MIT | BSD-3-Clause |
| Written in | TypeScript | PHP |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 16K | ⑂ 20 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Cal.com if
- You weight community size — 50K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick laminas-eventmanager if
- You want the laminas-eventmanager feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches PHP
- You evaluated both and laminas-eventmanager fits your workflow better
About Cal.com
[!WARNING] Use at your own risk. Cal.diy is the open source community edition of Cal.com and it is intended for users who want to self host their own Cal.diy instance. It is strictly recommended for personal, non production use. Please review all installation and configuration steps carefully. Self hosting requires advanced knowledge of server administration, database management, and securing sensitive data. Proceed only if you are comfortable with these responsibilities. [!TIP] For any commercial and enterprise ready scheduling infrastructure, use Cal.com, not Cal.diy; hosted by us or get invited to on prem…
read the full Cal.com overview →
About laminas-eventmanager
laminas eventmanager 🇷🇺 Русским гражданам Мы, участники Laminas, родились и живем в разных странах. У многих из нас есть друзья, родственники и коллеги как в России, так и в Украине. Некоторые из нас родились в России. Некоторые из нас живут в России. У некоторых бабушки и дедушки сражались с фашистами во Второй мировой войне. Здесь никто не поддерживает фашизм. У одного из нас есть украинская родственница, которая спаслась из дома вместе с сыном. Поезд задержался из за бомбежки на дороге впереди. У нас есть друзья, которые прячутся в бомбоубежищах. Мы с тревогой ждем весточки от них после воздушных налетов…
read the full laminas-eventmanager overview →
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Frequently asked questions
Is Cal.com or laminas-eventmanager more popular?
Cal.com has 49,651 GitHub stars and laminas-eventmanager has 1,016. Cal.com has the larger community by that measure.
Are Cal.com and laminas-eventmanager free?
Both are open source. Cal.com is licensed under MIT and laminas-eventmanager under BSD-3-Clause. Neither carries a licence fee.
What is the difference between Cal.com and laminas-eventmanager?
Cal.com is written in TypeScript and laminas-eventmanager in PHP. 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 laminas-eventmanager?
Choose Cal.com if you want the larger community (49,651 stars) or its MIT licence terms. Choose laminas-eventmanager if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.