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