Startups List - Collections of the best startups in different places
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.
Fuel Fund - List your startup and get discovered by 1000s of investors
GoodGantt - The best Gantt chart for Trello®
MakerLead - Find top 100 open startups with verified monthly revenue
Paws for Trello - The best way to use Trello on your desktop