10760 apps in this category
GPG-enabled mailing list manager with resending-capabilities. (Source Code) GPL-3.0 Ruby
Advanced IRC bouncer. (Source Code) Apache-2.0 C++/deb
IRC without netsplits. Distributed IRC server, based on RobustSession protocol. (Source Code) BSD...
Distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a ...
Self-hosted web IRC client. (Demo, Source Code) MIT Nodejs/Docker
Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls...
Open source email newsletter application
Modular, advanced and highly configurable IRC server written in C for Linux, BSD, Windows, and ma...
Web-based open source GUI that controls and manages Asterisk. (Source Code) GPL-2.0 PHP
⚠ - POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar cl...
Portable and lightweight Internet Relay Chat server for small or private networks. (Source Code) ...
Reliable and easy-to-use newsletter tool (alternative to Mailchimp and Sendinblue). (Demo, Source...