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.
ZenHub - ZenHub is how the world's best software teams work together. Trusted by NASA, Docker, and Rackspace. Start free today!
Create Issue Branch - Automates the creation of issue branches on GitHub
Foreword - High impact workshops to help you thrive at startups
REVISR - Git Management for WordPress : keep track w/ version control
The Good Workshop - TGW helps experts plan, run, and track UX, CX, Product and innovation workshops, fully automated and straightforward user experience.