Guidance on implementing cryptography as a developer.

Burner Note is a free, ad-free and open source tool for securely sending text based notes that are encrypted and self destruct once read.

AES cryptographic library for .NET Framework and .NET Core

Diglol Crypto for Kotlin Multiplatform.

Elephant - Fast, Parallelizable, Lightweight Authenticated Encryption Scheme

Cryptography Implementation Guide

Encrypt-then-MAC for Committing AEAD (cAEAD) Draft.