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

SloPro - Shoot video at a high speed then play it back in 1000 FPS slow motion.

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

Slow Motion Video FX - Slow down your videos with a single click. Adjust speed, zoom in, slow down a certain part of your video. Even speed up. All online, no account required

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

Slow motion Video Editor - Slow Motion Video Editor is an application through which you can slow down the motions of your usual video.