Seald - Keep your conversations secure, everywhere.

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

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

MagicPad - Free, simple, and private, offline text encryption suite.

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

Tresorit - Encrypted cloud storage for your confidential files. Using Tresorit, files are encrypted before being uploaded to the cloud. Start encrypting files for free.