For full, incremental, compressed and encrypted backups or archives
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
C++ cryptographic library (modern hash functions, ciphers, KDFs)
antigift is simple cross-platform, files & folders encryption tool
The source code of the In-Browser-File-Encrypter web app
Powerful webdav client and sync tools with client-side AES encryption
Robust and flexible VPN network tunnelling
52 Hash Functions In One Program, plus each with HMAC or KMAC
Multi hash crack suite
Base64 encode (or decode) files of any type with this lightweight tool
Secure mail + Tor gateway
RSA 4096 C++ library