head to head · open source
salt vs appointment
salt has 15,729 GitHub stars, 5,604 forks, 1,885 open issues and last shipped yesterday. appointment has 556 stars, 28 forks, 186 open issues and last shipped yesterday. salt leads on adoption by 2,729% (15,729 vs 556 stars). salt is written in Python under Apache-2.0; appointment is written in Python under MPL-2.0. salt has attracted 36% as many forks as stars, appointment 5%. salt 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
| salt | appointment | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 556 |
| License | Apache-2.0 | MPL-2.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 5.6K | ⑂ 28 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick salt if
- You weight community size — 16K stars and counting
- You want the Apache-2.0 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 salt
.. image:: :alt: Salt Project License: Apache v2.0 :target: .. image:: :alt: PyPi Package Downloads :target: .. image:: :alt: Salt Project Discord Community :target: .. image:: :alt: Salt Project subreddit :target: .. image:: :alt: Follow SaltStack on Twitter :target: .. figure:: :scale: 80 % :width: 1000px :height: 356px :align: center :alt: Salt Project Logo Latest Salt Documentation Open an issue (bug report, feature request, etc.) .. note:: When using salt cloud p with a profile, pass only the VM name on the command line. Specify VM attributes (memory, cpu, vcpu, etc.) in the profile configuration, not as…
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 salt or appointment more popular?
salt has 15,729 GitHub stars and appointment has 556. salt has the larger community by that measure.
Are salt and appointment free?
Both are open source. salt is licensed under Apache-2.0 and appointment under MPL-2.0. Neither carries a licence fee.
What is the difference between salt and appointment?
salt 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, salt or appointment?
Choose salt if you want the larger community (15,729 stars) or its Apache-2.0 licence terms. Choose appointment if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.