Community Chat is a feature-rich, Flash-based Web chat application. It offers video/audio options as well as basic text chatting. It features multiple rooms, flexible video window positioning, personal settings, friend/block lists, complete integration with an existing users database. It also has features a whiteboard, instant messengers support, online games, an MP3 player, and more.
phm Instant Messenger is a PHP class that can be used to manage users and friends that exchange messages. It can create and retrieve records in MySQL database tables that contain information of users, friends, and messages that they may exchange. Currently, the class implements several operations like authenticating users, changing user passwords, retrieving account password reminder questions and answers, creating user accounts, adding friends, searching for friends, retrieving user nick names, adding messages sent from one user to a friend, and retrieving messages received by a user.
KBasic is a programming language related to VB.NET, Visual Basic, Visual Basic for Applications, and Java. It combines the best features of those tools and comes with built-in backward-compatibility support for VB, VBA, and QBasic. It also comes with support for VB.NET syntax, functions, and similar objects and classes. It allows developers with an installed base of VB applications to start developing for a mixed-platform environment. KBasic comprises a compiler, an interpreter, and an integrated development environment.
REDUCE is a system for doing algebra by computer that also supports numerical approximation and interfaces to gnuplot to provide graphics. It has a long and distinguished place in the history of computer algebra systems. For comparison, other systems that address some of the same issues but sometimes with rather different emphases are Axiom, Derive, Macsyma (Maxima), Maple, Mathematica, and MuPAD.