head to head · open source
apscheduler vs appointment
apscheduler has 7,678 GitHub stars, 815 forks, 53 open issues and last shipped 8 days ago. appointment has 556 stars, 28 forks, 186 open issues and last shipped yesterday. apscheduler leads on adoption by 1,281% (7,678 vs 556 stars). apscheduler is written in Python under MIT; appointment is written in Python under MPL-2.0. apscheduler has attracted 11% as many forks as stars, appointment 5%. appointment was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (scheduling), 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
| apscheduler | appointment | |
|---|---|---|
| GitHub stars | ★ 7.7K | ★ 556 |
| License | MIT | MPL-2.0 |
| Written in | Python | Python |
| Last push | 2026-10-26 | 2026-11-02 |
| Forks | ⑂ 815 | ⑂ 28 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick apscheduler if
- You weight community size — 7.7K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick appointment if
- You want the appointment feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches Python
- You evaluated both and appointment fits your workflow better
About apscheduler
.. image:: :target: :alt: Build Status .. image:: :target: :alt: Code Coverage .. image:: :target: :alt: Documentation .. warning:: The v4.0 series is provided as a pre release and may change in a backwards incompatible fashion without any migration pathway, so do NOT use this release in production! Advanced Python Scheduler (APScheduler) is a task scheduler and task queue system for Python. It can be used solely as a job queuing system if you have no need for task scheduling. It scales both up and down, and is suitable for both trivial, single process use cases as well as large deployments spanning multiple…
read the full apscheduler overview →
About appointment
Thunderbird Appointment Invite others to grab times on your calendar. Choose a date. Make appointments as easy as it gets. Screenshots The bookers page for attendees and the dashboard for subscribers: Availability setup, managing bookings and general settings: Feedback and Support If you'd like to give feedback or need support, please see our Topicbox. Get started Using Docker is the recommended and for now the only supported method of building and developing Thunderbird Appointment. A detailed technical documentation of the application architecture can be found in the docs folder (still work in progress)…
read the full appointment overview →
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Frequently asked questions
Is apscheduler or appointment more popular?
apscheduler has 7,678 GitHub stars and appointment has 556. apscheduler has the larger community by that measure.
Are apscheduler and appointment free?
Both are open source. apscheduler is licensed under MIT and appointment under MPL-2.0. Neither carries a licence fee.
What is the difference between apscheduler and appointment?
apscheduler is written in Python and appointment in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, apscheduler or appointment?
Choose apscheduler if you want the larger community (7,678 stars) or its MIT licence terms. Choose appointment if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.