The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.

Conode - A simple editor to organize meetings

wikiHow - wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual.

Let's Meetup - An easy way to share POIs and addresses in iMessage

AllAnswered - Your Team's Collective Brain All-In-One Knowledge Management System Wiki + Q&A + Workflow + AI

Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.