Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Entity Framework - See Comparison of Entity Framework vs NHibernate.
HelpSpace - The team inbox with super powers
Miro Startup Program - $1000 to set up team collaboration
Drift - A messaging app that helps you grow your business.
Aircall for HubSpot - Document and organize every phone call instantly in HubSpot