Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Miro Startup Program - $1000 to set up team collaboration
Crisp Chat - Multi-channel customer support software
Aircall for HubSpot - Document and organize every phone call instantly in HubSpot
Mutiny - Personalize your website for each visitor
Intercom on Starting Up - A book about growing a startup