OpaqueFiles is described as 'A free and open-source file encryption software for Linux, Windows and Mac that encrypts/decrypts files so they can be stored securely, utilizing compression, Reed–Solomon Error Correction, encryption and keys derived from the user's password with Argon2id' and is a file encryption software in the security & privacy category. There are more than 50 alternatives to OpaqueFiles for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best OpaqueFiles alternative is VeraCrypt, which is both free and Open Source. Other great apps like OpaqueFiles are Cryptomator, Rclone, TrueCrypt and Picocrypt.