Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.
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.
Membee - Membee is web-based membership management software.
Virtuagym - Virtuagym is a unique, all-in-one fitness solution tailor-made for fitness businesses of all sizes...
Galette - Galette is a membership management web application towards non profit organizations.