MegaTunix is a tuning application for the MegaSquirt Open Source EFI (Electronic Fuel Injection) ECU, an open design hardware fuel injection controller usable on just about any internal combustion engine. It supports the original release firmware (B&G 1.x-3.01) and most of the user contributed firmware (including MSnS-Extra) that adds additional features such as ignition control and other advanced features. It includes an intelligent ECU interrogator, very flexible data logging, and a configurable and extendable GUI. This new (beta) release of Megatunix includes bugfixes, improvements, and several new features, e.g.:

FidoCadJ is a free and open source, multiplatform drawing program dedicated to electronics. Schematics and PCB can be easily traced and represented by a very compact text format, easy to embed in a newsgroup post. Drawings can be exported in a multitude of graphic formats, included pdf. Version 0.23.2 of FidoCadJ is out. Here are the new features and improvements:

GTKWave is a fully featured GTK+ based wave viewer for Unix and GNU/Linux which reads LXT, LXT2, VZT, and GHW files as well as standard Verilog VCD/EVCD files and allows their viewing. The new release fixes some problems/bugs and adds new functions, i.e.;

Complete list of changes on the file CHANGELOG.TXT in the archive. If you want to try 3.3.4 version of GTKwave, click here.