Roundcube - Web-based IMAP email client
Time To Reply - Empower teams. Improve reply times. Boost revenue.
HEY - Email at its best, new from Basecamp.
Mini Metro - Make the trains run on time
Mailo - Mailo is an email client where you can send and receive emails to and from anyone with an email address.
Email Meter - See how many emails your team deals with to understand their workload. Know how long they take to reply and where they can improve.