Really Good Emails - A large collection of good product email design.

Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.

Good Email Copy - Email copy from great companies.

Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.

Email Inspire - Discover the best of email design and marketing — Browse email newsletters from top brands.

Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.