Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.

Encrypto - Encrypto lets you encrypt files before sending them to friends or coworkers.

Keybase Chat - End-to-end encrypted chat built into Keybase

File Lock PEA - Password-encryption of files and directories. File PEA encrypts files and folders with authenticated encryption to protect confidentiality and integrity. The program uses memory-hard key derivation functions to prevent custom hardware attacks.

Crypho - End-to-end-encrypted messaging and file sharing

Unicode Crypter - Encrypt and Decrypt Unicode!