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.
Library to control radio transceivers and receivers
The Hamlib project's purpose is to develop flexible and portable shared libraries that offer a standardized API to control any radio oriented equipment through a computer interface.
The Malete database core is the new basis of OpenIsis, which has its roots in the UNESCO CDS/ISIS database. Traditionaly used in libraries; now a general purpose highspeed database.
TACO is a toolkit for building distributed control systems or any other distributed system. It is based on a C/C++ core. It is based on the client-server model. It supports writing clients and server on Unix+Windows. Clients and servers can be written in
Send/Receive/Reply messaging, popularized in commericial RTOS's such as QNX, is intuitive and simple to understand and an immensely powerful way of designing distributed software applications. This project aims to bring these tools to Linux.
Capsim(r) C Text Mode Kernel(TMK),DSP and communication blocks, topologies, libraries and tools for the development of high performance block diagram digital signal processing and communications systems,built in interpreter for scripting.SystemC support.
Venom is a small framework for writing 3d games and applications.
linroute is an attempt at making unix/linux route detection/delivery without depending on the underlying os/protocols/drivers.