Discrete-event simulation modeling software for science and education
Calculate primes numbers with yourself
A minimal CSPRNG reflecting the Zen of cipher design
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
A functional HP-style command-line RPN scientific calculator