PracticePanther - PracticePanther offers CRM, invoicing, time tracking and communication solutions for law firms.
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
PHC FX - PHC FX is a comprehensive solution that offers a wide range of functionality at any price.
Event Hunt - Startups and Tech Events Curated By Locals
iDempiere - iDempiere Business Suite ERP/CRM/SCM done the community way.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets