Trello - A mobile-friendly app to track stories & capture ideas

Keyboard shortcuts on the desktop make Trello fun. Android and iOS apps make it useful for people on the go. Throw in Google Docs, embed pictures, make nifty checklists, prioritize the most important cards, and give yourself reminders. I use it to capture story ideas, list steps to take for articles, and keep track of stories I've scheduled. It even works as a good to-do list. Thanks to Trello, I no longer send myself cryptic emails.

I use everyday, for everything (from dev to biz dev/managing my startup). Extremely useful (& awesome) product. Can't say more ;)