Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Google Open Source - All of Googles open source projects under a single umbrella
Promoter - The Most Effective Way To Engage And Learn From Customers
Opensource Builders - Find open-source alternatives to commercial apps
Chatra Messenger - Enjoy the benefits of live chat even when you’re offline.
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.