Trello - ESSENTIAL kanban system for project management and daily organization. I'm an absolute fanatic for Trello. OneNote - The greatest program ever made. OneNote isn't useful for short-term to-dos, but I couldn't live without its organization of my long-term work. Pocket - I never have time to read articles, and they're unpleasant to read on a squat laptop screen in any case. Pocket lets me read them on my tablet…
Also Trello Inc's public development board(https://trello.com/b/nC8QJJoZ/trello-development) is just genius, imo.