Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
MINDBODY - Find and book fitness and beauty classes near you.
Drift - A messaging app that helps you grow your business.
Kajabi - Kajabi is the only Knowledge Commerce platform today with everything you need to market, sell, and deliver your knowledge online.
C++ - Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation
Tendenci - Tendenci - The Open Source AMS is a cloud-based all-in-one management SaaS solution for Non-profits and Associations.