Treebolic hyperbolic visualization for WordNet
JQM - Java Quine McCluskey for minimization of Boolean functions.
a free cross platform checksum utility, supports 58+ hash algorithms
MIT Deep Learning Book in PDF format by Ian Goodfellow
Syllog is a system for teaching logic, with anonymous answer logging
Learning programming language for kids
A simple yet powerful open source VPN solution
A browser written in java which supports having multiple tabs
Online Examination System using JEE.