Edgewall Software

Free
Is an open source application to manage playlists and presets
Free
Free panohead control software, developed for Merlin/Orion mount, and runs on Linux, Windows, MacOS, Maemo and Openmoko.
Free
PhonTalk is an app for converting ​talkbank XML files into a Phon project.
Free
LeoCAD is a CAD program for creating virtual LEGO models.
Free
Free open source software for small projects, with a budget under €2,000.

GSN

Free
GSN serves as the primary streaming data database for the ETH Center
Free
Babel is a collection of tools for internationalizing Python apps, with tools for gettext catalogs and a Python interface to CLDR