TidyHQ - Organization management tool to support membership, subscriptions, event planning, and outreach.
Loops Feedback - Feedback on design ideas in minutes via 110m+ people
Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.
Storydoc - Easily generate interactive decks and presentations that increase lead engagement and conversion
Membee - Membee is web-based membership management software.
Feedback by Pixelic - Painless design feedback and version control.