JoinCPR - JoinCPR provides a modern, clean, easy to use class registration software specifically designed for CPR, first aid and lifeguard instructors.

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

Courseac.com - Share Great Free Online Courses

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets

Training Orchestra - Meet Training Orchestra, the leading Training Management Software System to help you efficiently manage, track, and sell instructor-led training.

Bigtent - BigTent is a web-based organization and communication portal for groups.