Browse free open source Cryptography apps and projects for Android below. Use the toggles on the left to filter open source Cryptography apps by OS, license, language, programming language, and project status.
For full, incremental, compressed and encrypted backups or archives
A shadowsocks client for Android
cross-platform, encryption application
A modern, portable, easy to use crypto library
Direct local file, folder & text sharing for Windows & Android.
Offline-first cybersecurity and system learning platform (Flutter)
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
FIDO® Certified StrongKey FIDO Server (SKFS)
Android application to do AES-128 bit encryption on all types of files
Securely generate passwords using UTF16 and Random.org
The source code of the In-Browser-File-Encrypter web app
Free 2 way Authentication for Windows
Encrypt or decrypt 12, 15, 18, 21 or 24 BIP39 codewords array ("seed")
A file compressor with AES256CTR and Base32768 binary-to-text encoding
Just an app I developed for my university course
Collection of standard and secure cryptographic algorithms
Open another computer's folder as if local; post-quantum encrypted P2P
Synchronize secrets between PCSecrets and Secrets for Android
lightweight bitmessage client
scans a given textual string in 146 pen on paper possible combinations