HantekDSO is USB oscilloscope software for Hantek/Voltcraft/Darkwire/Protek/Acetech/etc. DSO-2090/2150/2250/5200A/etc. oscilloscopes. It is based on the libusb and Qt/OpenGL libraries. The project includes a firmware extraction utility and udev rules file for loading firmware under Linux/Unix.
Lingua Server is a fast multi-protocol application service server in Java. Its main features are very fast response times, a pluggable protocol and transport architecture, very easy application service development (MVC), built-in cluster support using multicast, auto-discovery, and distributed shared objects.