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
InstAddr - Disposable email address application.
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.
Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.