Dead Man's Switch - Automatically send emails to your chosen recipients should anything happen to you.
Toodledo - Toodledo provides a set of tools to increase the productivity.
Later Reminders - Super simple way to schedule reminders on your phone
vim-taskwarrior - a vim interface for taskwarrior
Firefox Lockwise - Open-source password manager from Mozilla
Zoho CRM - Omnichannel CRM for Businesses of all sizes