A free COBOL compiler
GnuCOBOL (formerly OpenCOBOL) is a free COBOL compiler. cobc translates COBOL source to executable using intermediate C, designated C compiler and linker. OpenCOBOL 1.1 became GNU Cobol 1.1 in 2013. GnuCOBOL 2.2 is the latest, version 3.0 is on its way. A programmer's guide, by Gary Cutler and Vincent Coen, is indexed at https://open-cobol.sourceforge.io together with more documentation. OpenCOBOL was written by Keisuke Nishida and Roger While, from 2001 to 2012. GnuCOBOL is also authored by Simon Sobisch, Ron Norman, Edward Hart, Sergey Kashyrin, Dave Pitts and Brian Tiffin. Others listed in the AUTHORS and THANKS files. Copyright 2001-2018 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the FSF; either version 3, or (at your option) any later version. The libcob run time support source tree is licensed LGPL.
Cross-platform, scientific graphics plotting library
PLplot is a cross-platform, scientific graphics plotting library that supports math symbols and human languages (via UTF-8 user input strings); plot capabilities for multiple non-interactive plot file formats and in multiple interactive environments; and bindings for multiple computer languages.
The project has moved to fossil and is now hosted here: https://fossil.e-lehmann.de/tloona/ Source code and releases from 1.6.0 are also found there. The git and svn repositories here are outdated
Ellogon is a multi-lingual, cross-platform, general-purpose language engineering environment.
Geek is trying to provide a framework to help developer use tcl/tk to write and deploy pragram. It can wrap a tcl/tk program to .EXE in windows platform, compile tcl/tk code to TCL ByteCode and the package management is much like java class/jar.
IPAT-S is a scenario modeling language. Use it for rapid development of quantitative strategic scenarios for governments, agencies, businesses, etc. using a fast and compact interpreted language. Package includes IPAT Studio development environment.
Allows communications between Poser (www.e-frontier.com) and external applications. Implements loading of files and saving of content to and from Poser from external applications (like Windows Explorer, P3dO, Advance Library).
A repository of Python extension scripts for use with the Sparky (http://www.cgl.ucsf.edu/home/sparky) NMR assignment package. No packaged releases yet, but there are scripts in the Sourceforge CVS@ http://sparkyscripts.cvs.sourceforge.net/sparkyscripts
transAuction is a simple database program for sellers to keep track on their transactions with online auctions. Currently, transAucton works on Windows and Linux and possibly Mac(unconfirmed). Requires python and Tk.