EGroupware/egroupware
Web based groupware server written in PHP, forum at https://help.egroupware.org/
A star delta has been computed for 63,087 of 63,708 tracked repositories in this period, and only those can be ranked in it.
A repository missing here has not been measured far enough back yet. That does not mean it did not move.
Star counts measured between 17:23 and 00:46 (BKK).
Web based groupware server written in PHP, forum at https://help.egroupware.org/
a calendar server aiming to be simple, fast and passwordless
Group Office groupware and CRM
Console vcard client
That's all 4 repositories in this period.