Open source tool that improves identification of vulnerabilities
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Searching primes with brute force, Parallel.For up to 20 digits
Searching primes with brute force Parallel.For over 20 digits possible
msfvenom shellcode generator/compiler/listenner
ISC lets you encrypt & decrypt text and files of any type up to 4GB