Roundcube - Web-based IMAP email client
Geekbot - Discover how to organise asynchronous stand up meetings in Slack and keep your team synced using Geekbot. Start your free trial today!
HEY - Email at its best, new from Basecamp.
Chili Piper - Chili Piper is an intelligent calendar for Sales teams, to book their own meetings or set appointments for other teams.
Mailo - Mailo is an email client where you can send and receive emails to and from anyone with an email address.
Standuply - Run daily standup meetings and track your metrics in Slack