== Services
\\

=== Chat
* [[ICB]]
* [[IRC]] (see also, [[Suika]], [[ZNC]])
* [[XMPP]]

=== Communications
* [[Mail]]

=== File sharing
* [[Marisa]]

=== Forums
* [[Citadel]]
* [[NNTP]]
* [[PhpBB]]
* [[Postmill]]

=== Frontends
* [[Keine]]
* [[Mai]]
* [[Yukari]]

=== Pubnix
* [[Geidontei]]

=== Social media
* [[Misskey]]

=== Version control
* [[CVS]]
* [[Git]]
* [[Mercurial]]
* [[Subversion]]