Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Plaid - Infrastructure that powers financial technology by enabling applications to connect with users' bank accounts.
hiTask - HiTask is a free shared task list for your team. The place to plan, organize, and stay in sync.
Credit Offers API - Our Credit Report API offers a secure, easy, and effective tool to access consumer credit data from either 1, 2, or all 3 Credit Bureau's.
Mail Pilot - Beautiful task oriented email client for Mac, iPhone, & iPad
MYOB AccountRight API - MYOB Developer Resource Centre and API Documentation