Open Source Solid Modeling CAD
BRL-CAD is a powerful cross-platform constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering & geometric analyses, network distributed framebuffer support, image & signal-processing tools.
The Software Testing Automation Framework (STAF) is a framework designed to improve the level of reuse and automation in test cases and test environments. The goal of STAF is to provide a complete end-to-end automation solution for testers.
Net-SNMP-Tcl is an open source, public domain project to provide a simple Tcl interface for Net-SNMP. The primary target of the first release will be for the Windows NT/2000 platform.
ChemVisio is software which might be useful for educational purposes (non-organic chemistry, crystallography etc.). It might be a good visualization support for all people who need better illustrations than that you could see in books.
Lamia or Lamia Engine is the modern generation free distributable and open source game engine for creating computer games for several prevailing software platforms and very maybe hardware platforms either.
linroute is an attempt at making unix/linux route detection/delivery without depending on the underlying os/protocols/drivers.
Tcl binding to VISA API
Tcl binding to VISA (Virtual Instrument Software Architecture) API. It is linked to Tcl as a standard extension following Tcl Extension Architecture (TEA) conventions. See VISA specs. on IVI Foundation page: http://www.ivifoundation.org/specifications/default.aspx TEA specs. can be found here: http://www.tcl.tk/doc/tea/