Free Open Source Websites
codecogs.com
Interactive Open Source Numerical Library of C/C++ functions for Engineering, Finance, Maths, Science and Statistics. With Online Calculators for Numerical Components and Excel...
42,384 
$ 316,800.00
frostwire.com
FrostWire is a free and easy BitTorrent Client, Cloud Downloader and Media Player for Windows, Mac, Linux and Android Search, Download, Play and Share Files.
168,001 $ 66,000.00