Spark is an Open Source, cross-platform IM client optimized for businesses and organizations. It features built-in support for group chat, telephony integration, and strong security. It also offers a great end-user experience with features like in-line spell checking, group chat room bookmarks, and tabbed conversations....

command line tools around Interactive Brokers TWS API,

Xapian is an Open Source Search Engine Library, released under the GPL. It's written in C++, with bindings to allow use from Perl, Python, PHP, Java, Tcl, C#, Ruby, Lua and Erlang (so far!)

Xapian is a highly adaptable toolkit which allows developers to easily add advanced indexing and search facilities to their own applications. It supports the Probabilistic Information Retrieval model and also supports a rich set of boolean query operators....

Combined with the Model Driven Architecture approach (MDA), Acceleo is currently the most powerful code generator tool of its generation for Model Driven Development (MDD) and Model Driven Engineering (MDE).

Acceleo is easy to use, provide "on the shelves" generators (JEE, .Net, Php...) and template editors for Eclipse....

CppCMS is Free C++ Web Development Framework (not CMS) aimed for Rapid Web Application Development. It differs from most of other web development frameworks like: Python Django, Java Servlets or C++ Wt in following:

1. It is designed and tuned to handle extremely high loads....

The SQL SHell is intended as a replacement for the venerable 'isql' program supplied by Sybase. It came about due to years of frustration of trying to do real work with a program that was never meant to perform real work.

Sqsh provides much of the functionality of a good shell: variables, redirection, pipes, back-grounding, job control, history, command completion, and dynamic configuration....

aMSN is a Tcl/Tk client for MSN Messenger. Its features include multi-language support, smileys, logging, multi-profiles support, email notification, customizable sounds, group management, file transfers with NAT support, and proxy support. It is a Windows Live Messenger look alike with extra features....

TorChat is a peer to peer instant messenger with a completely decentralized design, built on top of Tor's location hidden services, giving you extremely strong anonymity while being very easy to use without the need to install or configure anything.

Silence can manage your information. It does not just store your data, it provides sophisticated search mechanisms so you are able to find the information you are looking for. Your data will be stored in a hierarchical way. You don't like that? No problem, use links to structure your data. You don't like that either? Fine, use the labels to organize your information. Of course you can mix all the available functions to manage your data efficiently....

Perl::Version provides a simple interface for parsing, manipulating and formatting Perl version strings.

Unlike version.pm (which concentrates on parsing and comparing version strings) Perl::Version is designed for cases where you'd like to parse a version, modify it and get back the modified version formatted like the original....