Citadel/UX (commonly known as Citadel) is an open source, complete and feature-rich collaboration suite (messaging and groupware).
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Tag: C
Dovecot – IMAP and POP3 email server
Dovecot is a mail server whose major goals are security and extreme reliability. It seeks to handle all error conditions and verify that all data is valid.
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Cyrus IMAP – email, contacts and calendar server
Cyrus IMAP is an email, contacts and calendar server intended to be run on a “sealed” server.
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Courier Mail Server – mail transfer agent
The Courier mail transfer agent is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP.
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Postfix – mail transfer agent
Postfix is a free and open source mail transfer agent (MTA), a computer program for the routing and delivery of email.
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DBMail – scalable sql based email services
DBmail is the name of a group of programs that enable the possibility of storing and retrieving mail messages from a database.
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OpenSMTPD – daemon implementing the Simple Mail Transfer Protocol
OpenSMTPD is an implementation of the server-side SMTP protocol as defined by RFC 5321, with some additional standard extensions.
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Exim – message transfer agent
Exim is an open source mail transfer agent (MTA), which is software responsible for receiving, routing, and delivering e-mail messages.
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Godot – 2D and 3D cross-platform compatible game engine
Godot is an advanced, open source, feature packed 2D and 3D cross-platform compatible game engine. The software offers a comprehensive set of common tools.
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LOVE – framework to create 2D games
LÖVE is a framework you can use to make 2D games in Lua.
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