PlanITpoker - PlanITpoker is a cool on-line planning poker app that helps Agile project teams estimate projects easily.
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Taiga - Project management platform for agile developers & designers
Clockify - Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.
Craft.io - All-in-one product management software for entire product lifecycle
Cattr - Cattr is a free open-source self-hosted time tracker with desktop clients for windows, mac, linux.