Open Source C# Security Software

Safe Exam Browser is a webbrowser-environment to carry out online-exams safely. The software changes any computer into a secure workstation. It regulates the access to any utilities and prevents students from using unauthorised resources.

AceJudge is a system for managing programming contests. AceJudge's basic features include automatic judging of submitted programs, answering to clarification questions about problem descriptions, reevaluation of programs, real time ranking etc.

With BinaryCrypt, you can convert between regular text, binary, hexadecimal, octal decimal and decimal. You can convert only decimal (as of right now) to any base up to base 64. You can also save your converted text to a file or open a converted text file to decrypt the message, and perform basic arithmetic in binary. The git repo for the C# code is located at: https://github.com/m1r4g3/BinaryCrypt-.Net

Scans a IP and Port range in the local network or internet. Faster than most port scanners. WINPCAP REQUIRED http://www.winpcap.org/ !

Mini md5 Cracker, como su nombre lo dice es un software para Windows de Crackeo de hash MD5 por Wordlist y Brute Force, escrito en C#, con GUI, sencillo, pequeño, rapido.

Vijner 974 E-Sys (2048 bits and unlimited encryption). Enables easy (un-)encryption from text input or .txt file, and to (un-)encrypt raw files, with Vigenère Algorithm + unlimited encryption keys. Simple and powerful. Adapt to fit your needs.