Zammad
Chat & CommunicationWeb-based helpdesk and customer support system
Replaces Zendesk, Freshdesk
Best LDAP Chat & Communication for self-hosting
The 7 best LDAP chat & communication you can self-host, ranked by community traction.
SimpleX
Chat & CommunicationMessaging platform operating without user identifiers
Mollysocket
Chat & CommunicationServer for unified push support in Molly chat application
Anope
Chat & CommunicationIRC services suite for nickname and channel registration
Replaces Slack
YunoHost Mail Relay
Chat & CommunicationContinuously relays a remote IMAP inbox into a YunoHost mailbox
ARN-Messager
Chat & CommunicationBot which enables multiple Matrix users to use a single third-party IM
Mailing List Manager
Chat & CommunicationSimple and efficient mailing list manager
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| Zammad | Under-an-hour setup | Medium | 4,096 MB | AGPL-3.0 | 6,011 |
| SimpleX | Read-the-docs project | Easy | 50 MB | AGPL-3.0 | 856 |
| Mollysocket | Read-the-docs project | Easy | 50 MB | AGPL-3.0-or-later | 404 |
| Anope | Read-the-docs project | Medium | 64 MB | GPL-2.0 | 366 |
| YunoHost Mail Relay | Read-the-docs project | Medium | 30 MB | GPL-3.0-or-later | 1 |
| ARN-Messager | Read-the-docs project | Medium | 50 MB | AGPL-3.0-or-later | — |
| Mailing List Manager | Read-the-docs project | Easy | 50 MB | MIT | — |
Quick picks
- Most adopted: Zammad (6,011 GitHub stars).
- Lightest footprint: YunoHost Mail Relay (from 30 MB RAM, against 4,096 MB for the heaviest here).
- Licensing: 2 of 7 use AGPL-3.0; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged LDAP within the chat & communication category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.