Event Temple - Award winning hotel & venue management software
HEY - Email at its best, new from Basecamp.
MICE Operations - The #1 Online Event Management Software for event venues, catering and hospitality.
Mailo - Mailo is an email client where you can send and receive emails to and from anyone with an email address.
Mixmax Sequences - Easy & powerful drip campaigns for Gmail, Inbox & Salesforce
Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.