HitPay - Send or receive money using a modern payments interface

Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.

Unlock - Monetize your content with a few lines of code

DownToMeet - DownToMeet is a platform to organize, find, and attend group events.

Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.

Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.