Encrypt Text

Minimalistic application to encrypt plain text using AES 256.MIT

OpenKeychain: Easy PGP

Encrypt your Files and Communications. Compatible with the OpenPGP Standard.GPL-3.0-or-later

Tella

Encrypt and hide files on your deviceApache-2.0

SecureYourChats

Text & File Encryption/Decryption with new OverlayTechnologyGPL-3.0-only

PGPony

OpenPGP encryption with hardware security keys and password-store supportApache-2.0

DEfO ECH Apps

Experimental fork of F-Droid to use TLS ECH with Cloudflare as the default hostGPL-3.0-or-later

Mage

Android GUI for age file encryption, built on kage.Apache-2.0

Oversec

Privacy for All Apps! Encrypt and Disguise Messages in All Your Apps!GPL-3.0-or-later

Clench Wallet

Secure non-custodial Bitcoin wallet with multisig supportMIT

Bluecheese

Offline text encryption-fast, local, no trackers.GPL-3.0-only

OkcAgent

Make OpenKeychain available in your Termux shellMIT

Safe Notes - Encrypted Notepad

Encrypted, Private note managerGPL-3.0-or-later

Save by OpenArchive

Safely preserve, organize, and share your mobile mediaGPL-3.0-only

FeelsApp

App for writing notes and associating them with emotions.Apache-2.0

Intra

Encrypted DNS clientApache-2.0

Picocrypt-NG

Paranoid, offline file encryption with XChaCha20 and Argon2id.GPL-3.0-only

NotePad

Make notesGPL-3.0-only

EteSync - Secure Data Sync

Secure, private and end-to-end encrypted calendar, contacts and tasks syncGPL-3.0-only

To Do

Create checklistsGPL-3.0-only

Secret Space Encryptor (SSE)

File Encryption, Text Encryption (Messages, Notes, …), Secure Password ManagerGPL-3.0-only