Open Source C# Security Software

Nokia NBU, NBF, NFB, NFC and ARC backup file parser, extractor and viewer. It can help you to check content of backup or extract files from it. Requires MS .Net Framework 2

The Bitwarden mobile application is written in C# with Xamarin Android, Xamarin iOS, and Xamarin Forms. Manage, store, secure, and share unlimited passwords across unlimited devices from anywhere. Bitwarden delivers open-source password management solutions to everyone, whether at home, at work, or on the go. Generate strong, unique, and random passwords based on security requirements for every website you frequent. Bitwarden Send quickly transmits encrypted information, files and plaintext, directly to anyone. Passwords are protected with advanced end-to-end encryption (AES-256 bit, salted hashtag, and PBKDF2 SHA-256) so your data stays secure and private. Generate strong, unique, and random passwords based on security requirements for every website you frequent. Bitwarden translations exist in 40 languages and are growing, thanks to our global community.

Mono-Pcsc - A .NET Mono wrapper for PCSC smartcard services. The library includes specific classes to communicate with Global Platform Javacard and Mifare contactless smartcard but will support any ISO7816 smartcard. Includes simple smartcard CLI appl.

yaSSL, or yet another SSL, is an embedded ssl library for programmers building security functionality into their applications and devices. yaSSL is highly portable, and runs on standard as well as embedded platforms(QNX, ThreadX, VxWorks, Tron) yaSSL is still available but no longer being developed. Current development on the same project continues under wolfSSL. Visit yaSSL Home above for the latest stable release.