FreePOPs is a webmail to pop3 conversion daemon. It is extensible to support other webmail using the scripting language LUA. See the homepage for supported webmails.
ClamCour is a Courier-MTA multithread filter that allows Courier to scan mail for viruses using Clam Antivirus package. Attachments can be "quarantinated" and custom domain-based email reports can be sent.
Microsoft Exchange compatible server and client libraries
OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers.
OpenChange client-side library is used in existing messaging clients and is the solution in new projects to communicate natively with Microsoft Exchange and Exchange-compatible servers. OpenChange server is a transparent Microsoft Exchange server replacement using native...
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libmail is a C library intended to help programmers when adding mail checking and retrieving capabilities to their applications, supporting popular mail protocols like IMAP and POP3 as well as *nix-like mailboxes.
A command line SIP/H323 softphone capable of sending and receiving audio files as well as sending out of band DTMF digits. Supports a BNF format configuration language for scripting call scenarios. Useful for example system testing.
qSheff is a wrapper for the qmail queue that scans email for viruses and spam. It is simple and powerful. It features the ability to quarantine, nice logging, subject filtering, body filtering, attachment blocking, a blackhole and white/black lists.
The IRCd Conf manager util aims at automating ircd tasks such as configuration and compilation. Other options are also included such as automatich updates. This script will eventually be ready to be used for other irc networks. Requires ncurses/dialog
smmapd is a framework for workers on the sendmail (>8.13) socket map. It directly contains a sender address verifier and a Cyrus IMAP mailbox verifier (dedicated to Cyrus IMAP <2.2, but also works we later version).
Scanhill is a Microsoft Messenger Protocol Sniffer. Currently it can only intercept Instant Text Messaging. Given that mySQL is used, stored instant messages can be read through a browser interface that is written in PHP language.
Open Source IM and voice client using Jabber and SIP protocols, with great audio quality thanks to speex and a nice and clean interface. Programmed in Java and C++. It supports chat, voice and file transfers.
Virtual Qmail - virtual domains management system for qmail. It is designed to be fast, reliable, and easy to use. Includes software allowing users to manage their accounts via WWW.
An advanced Internet Relay Chat daemon, Beanpot is striving to make IRC a safe environment with many features that are not present in most chat daemons.
MusIRCd is an ircd that focuses on network management without interfereing with nicks and channels. This ircd has integrated a lot of features that normally would have to be performed through services into the ircd so it can be run without services.
This project try to permit a very simple use of the BSD sockets layer.
It provide two C++ classes that allow you to create a TCP client and a TCP server.
OpenRPR. An open source implementation of Resilient Packet Ring or 802.17. This new technology is fueling a revolution in Telephony Transport Technologies by converging SONET's resilience with Ethernet's Flexibility.
fluidICE Services is the enhanced version of the popular Auspice IRC Services, a feature-rich, powerful services package with extensive support for multiple IRC DAEmon's and Operating Systems.