Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Drift - A messaging app that helps you grow your business.
Helpshift - Helpshift is an in-game customer support platform that enables mobile apps to improve customer experience, drive higher ratings and increase retention.
C++ - Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation
Birdeye - #1 most trusted reputation and customer experience platform for local business
D (Programming Language) - D is a language with C-like syntax and static typing.