MyOffice: Spreadsheet

Spreadsheet editor

Restoup

Own experiment

MyOffice: File Manager

Client-server + local file manager

Sochat 2016

San Francisco based start-up

Sochat 2017

San Francisco based start-up

Crypto Messenger

Telegram's Challenge (2nd place)

VK Messenger

Durov's Challenge (2nd place)

Winster

Own experiment