head to head · open source
Cal.com vs nexrender
Cal.com has 49,651 GitHub stars, 15,521 forks, 1,432 open issues and last shipped yesterday. nexrender has 1,859 stars, 350 forks, 0 open issues and last shipped 5 months ago. Cal.com leads on adoption by 2,571% (49,651 vs 1,859 stars). Cal.com is written in TypeScript under MIT; nexrender is written in JavaScript under MIT. Cal.com has attracted 31% as many forks as stars, nexrender 19%. 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 | nexrender | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 1.9K |
| License | MIT | MIT |
| Written in | TypeScript | JavaScript |
| Last push | 2026-11-02 | 2026-06-03 |
| Forks | ⑂ 16K | ⑂ 350 |
| 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 nexrender if
- You want the nexrender feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and nexrender 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 nexrender
Automate your Adobe After Effects rendering workflows. Create data driven and template based videos. Built with love using nodejs • Brought to you by @inlife and other contributors Table of contents Introduction Features How it works Alternatives Installation Usage Job Assets Actions Details Job States Programmatic Information Template rendering Footage items Fields Example Original source Example Static assets Example: Data Assets Fields Example Script Asset Fields Dynamic Parameters Supported Parameter Types Parameter Types examples String Number Array Object Null Functions Warnings Self Invoking…
read the full nexrender overview →
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Frequently asked questions
Is Cal.com or nexrender more popular?
Cal.com has 49,651 GitHub stars and nexrender has 1,859. Cal.com has the larger community by that measure.
Are Cal.com and nexrender free?
Both are open source. Cal.com is licensed under MIT and nexrender under MIT. Neither carries a licence fee.
What is the difference between Cal.com and nexrender?
Cal.com is written in TypeScript and nexrender in JavaScript. 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 nexrender?
Choose Cal.com if you want the larger community (49,651 stars) or its MIT licence terms. Choose nexrender if its feature set, stack or MIT licence fits better. Both are self-hostable.