Locknote

Store your most valuable notes in a LockNote. Hide your everyday notes in a safe place. Application and document in one: the mechanism to encrypt and decrypt a note is part of it. Secure, simple, independent. No installation required.

Free Open Source Windows

NPPCrypt

nppcrypt is a plugin for notepad++ that will allow users to encrypt, decrypt text as well with create hashed messages/text and random blobs.

Free Open Source Windows Notepad++

CryptoTE

CryptoTE is a text editor with integrated strong cryptography. It is based on the popular Scintilla widget and automatically stores text data in secure encrypted container files.

Free Open Source Windows Linux

fSekrit

fSekrit is a small application for keeping securely encrypted notes. These notes are truly stand-alone; the editor program and your note are merged together into a tiny...

Free Windows

Encrypted Notepad

Encrypted Notepad is a very simple to use application providing state of the art industrial-strength encryption to users who want nothing more than to store sensitive...

Free Open Source Mac OS X Windows Linux Android

Hyper Crypt

Hyper Crypt is a multi-purpose security tool: encryption, hashing and password-generation.

Free Windows

Paranoia Text Encryption

Paranoia Text Encryption encrypts text according to a choice of strong algorithms.

Freemium Mac OS X Windows Linux iPhone

Notebook PEA

Protects your private notes with a password. Notebook PEA is a self-decrypting archive, that will never store unencrypted text on your disk.

Free Open Source Mac OS X Windows Linux BSD

CryptNote

CryptNote is a tiny (20KB) fully portable NotePad-like text-editor with encryption. It encrypts/decrypts text with the AES/Rijndael algorithm according to a...

Free Windows

CTI Text Encryption

Core Encryption Algorithm: AES (Advanced Encryption Standard or Rijndael) Password Hashing Algorithm: SHA512 Able to encrypt most of the languages in the world. ...

Free Open Source Windows

CryptoPad

CryptoPad is a simple notepad like application that works with encrypted files. Users can open,edit and save encrypted files using CryptoPad without any other...

Free Personal Windows