Link to project's homepage, not their repository

Author: WhyNotHugo

content/_index.md

@@ -1,9 +1,10 @@
 pimutils is a suite of programs for managing contacts, calendars and tasks on the command line.
 
-* [khal](https://github.com/pimutils/khal): command line calendar application
-* [todoman](https://github.com/pimutils/todoman): command line tasks manager
-* [vdirsyncer](https://github.com/pimutils/vdirsyncer): synchronize calendars
-  and address books, including data from khal and todoman
+* [khal](https://lostpackets.de/khal/): command line calendar application
+* [todoman](https://todoman.readthedocs.io/en/stable/): command line tasks
+  manager
+* [vdirsyncer](https://vdirsyncer.pimutils.org/en/stable/): synchronize
+  calendars and address books, including data from khal and todoman
 * [pimsync](https://pimsync.whynothugo.nl/): re-implementation of vdirsyncer
   addressing outstanding issue and limitations.