Cross platform (lin/win/mac) geographical information system (GIS)
Raspberry PI distro for controlling 3D printers over the web
Open-source JavaScript library for mobile-friendly interactive maps
Command-line translator using Google Translate, Bing Translator, etc.
Interactive, thoroughly customizable maps in the browser
Traccar GPS Tracking System
Web-based protein structure viewer and analysis tool
Open Source Computer Vision Library
Emgu CV is a cross platform .Net wrapper for OpenCV
Navigational Algorithms - Marine navigation
Android, UIQ 3.0, Series 60 Edition 5 open-source software
JavaScript-Based Molecular Viewer From Jmol
Symja - Java computer algebra language & symbolic math library
Minimalistic wide-open GPS-locator/tracker
RobBX - is a powerfull DIY Arduino constructor based from IQBX
Water & steam properties Java library
Electronics calculations in GNU Octave
Magnetic Handicraft Book - free energy from the Cosmic Lattice
RTMPServer, FDM, chocolate 3D Print
Pascal Units for Medical Applications
Simple translator in 3 languages and 2 translation services