khal vs Tasks.org Server alt nono Calendarserver

A side-by-side comparison of two self-hosted calendar & contacts options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up? Compare khal with Compare Tasks.org Server alt nono Calendarserver with

KH khal Command-line calendar built on CalDAV VS TA Tasks.org Server alt nono Calendarserver Archived Standards-compliant calendar and scheduling server

Feature	khal	Tasks.org Server alt nono Calendarserver
Deploy effort	Read-the-docs project	Read-the-docs project
Health score	69 · Good	10 · At risk
Status	Actively maintained	Archived
Category	Calendar & Contacts	Calendar & Contacts
License	MIT	Apache-2.0
Language	Python	Python
Setup difficulty	Medium	Hard
Min. RAM	64 MB	512 MB
Deployment	binary, source	bare-metal, source
GitHub stars	★ 3,054	★ 507
First released	2013	2007
Replaces	Google Calendar	Google Calendar, Exchange

What are khal and Tasks.org Server alt nono Calendarserver?

khal

khal is a standards-based command-line calendar program that reads and writes iCalendar files and works with vdirsyncer to synchronize against self-hosted CalDAV servers. It offers an interactive console interface.

Command-line CalDAV calendar
Works with vdirsyncer
Interactive console interface

Tasks.org Server alt nono Calendarserver

Calendar and Contacts Server is a CalDAV and CardDAV server originally developed by Apple. It provides shared calendaring, scheduling, and directory services for groups.

Originated at Apple
Group scheduling support
Standards-compliant CalDAV

khal vs Tasks.org Server alt nono Calendarserver: key differences

The biggest difference is maintenance: Tasks.org Server alt nono Calendarserver's repository is archived and no longer developed, while khal is actively maintained. Both projects are written in Python. Licensing differs — MIT for khal versus Apache-2.0 for Tasks.org Server alt nono Calendarserver. Khal is the lighter option, starting around 64 MB of RAM against 512 MB for Tasks.org Server alt nono Calendarserver. Tasks.org Server alt nono Calendarserver is the more established project (first released 2007), while khal arrived in 2013. Khal has the considerably larger community, at 3,054 GitHub stars versus 507.

Why pick each one

Choose khal if…

Released under the MIT license
Active community (3.1k GitHub stars)
Written in Python
Tiny footprint — runs in 64 MB RAM

khal details

Choose Tasks.org Server alt nono Calendarserver if…

Released under the Apache-2.0 license
Written in Python
Lightweight — runs in 512 MB RAM

Tasks.org Server alt nono Calendarserver details

Frequently asked questions

Is khal or Tasks.org Server alt nono Calendarserver better?

khal is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Tasks.org Server alt nono Calendarserver if its specific feature set fits your needs better.

Are khal and Tasks.org Server alt nono Calendarserver free and open-source?

Yes. khal is licensed under MIT and Tasks.org Server alt nono Calendarserver under Apache-2.0. Both can be self-hosted at no software cost.

Can I run khal and Tasks.org Server alt nono Calendarserver with Docker?

khal: check the project docs for container support. Tasks.org Server alt nono Calendarserver: check the project docs for container support.

Which is lighter on resources, khal or Tasks.org Server alt nono Calendarserver?

khal has the smaller minimum footprint at 64 MB of RAM, compared to about 512 MB for Tasks.org Server alt nono Calendarserver. Real-world usage depends on library size, user count, and enabled features.