Billion PBX is IP phone system that uses the SIP protocol. In addition to voice calls it supports call forwarding, voicemail, callback, and much more, and features simple installation and configuration, reliability, low hardware requirements, and a flexible pricing policy. Its main features are subscriber registration by SIP Registrar and RAS protocols, call routing by SIP and H.323, call authorization, subscriber self-service, Call Data Records (CDR), embedded rating and billing, integration with external billing systems, NAT traversal, IVR, report generation, and a convenient administrative Web interface allowing remote management.
TalentSoft Web+ (WebPlus) is a development tool dedicated for developing web-based client-server applications without writing CGI programs. It enables rapid/easy creation of highly functional web pages which integrates with databases, files systems, email, Java applets, and other third-party programs. With Web+, users can quickly and easily create powerful Web applications without learning complicated programming languages such as C, C++, PERL, or Java. Web+ currently runs on Microsoft Windows NT/95, Linux, Sun Solaris, HP-UX, SGI IRIX, and will soon be available on other Unix systems. It works with most web servers and integrates with all ODBC compliant databases.
FreePlot is a simple mathematical program that plots 2D functions written in Python. It provides an easy-to-use interface and a powerful graphing mechanism that allows the user to understand what she is doing at all times. FreePlot features out-of-the-box multiplatform support for GNU/Linux, BSD, Win32, and MacOS. Functions can be saved to an image file. An unlimited number of functions can be used on the same cartesian plane. Multiple colors, multiple line styles and marks, and legends are supported.