A family of small-state CSPRNGs and Stream Ciphers
A family of FLEA-inspired CSPRNGs and Stream Ciphers
SES brings back the uncrackable onetime pad, with a digital twist.
ISC lets you encrypt & decrypt text and files of any type up to 4GB
Simple crossplatform IDE for people who study programming
free dictionary
Subliminal Blaster Powered 4 - Mude seus Hábitos! Change your habits
A functional HP-style command-line RPN scientific calculator
invert matrices with the Gauss–Jordan elimination
A computer science "laboratory" based on Free Pascal / Lazarus