Abacus is a small, light and easy to use spreadsheet being developed as graduation project under the tutorship of Prof. Arlindo Oliveira, and the spreadsheet is being developed using the Tcl/Tk toolkit, as well as plain old C/C++ for all the "number-crunching" tasks.
Lazarus is a developement enviroment using the Free Pascal Language(fpc), which tries to be Delphi like. It's a multiplatform and multiwidget IDE. Lazarus is released under the GPL but the libraries are released under LGPL. As of now lazarus has most Delphi components plus some of it's own.
TCPDB is a Web application to keep track of your TCP/IP addresses and hosts.
TCPDB is suited for both small and large networks with many locations and subnets.
Up to one A Class or 16777216 addresses is supported.
SAT (Simple scAnning Tool) is a simple and fast network scanner written in Python progamming language. It is used to identify network devices and services. The identification is based on recieved data such as banners.