Mapnik - Mapnik is a Free Toolkit for developing mapping applications.
iWinSoft Image Converter - iWinSoft Image Converter is a batch image processor that allows the user to convert multiple images to most popular vector and raster image formats including EPS, PSD, PDF, TPIC, PNG, JPG and all types of RAW formats.
CALCONIC_ - Build & add interactive calculators to your website! Choose from more than 50 premade calculators or build your own from scratch. No coding required. Free plan available. Zapier Integration. Publish Anywhere.
ScrollReveal - ScrollReveal is a tool to add scroll animations for web and mobile browsers.
Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.
NI AWR Design Environment - NI AWR Design Environment is a circuit design and simulation solution.