Helpshift - Helpshift is an in-game customer support platform that enables mobile apps to improve customer experience, drive higher ratings and increase retention.

HelpStack - Open Source mobile help framework to support iOS and Android app users.

Hipmob - In-app live chat and help center for startups and teams.

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

Pypestream - Pypestream is a messaging app built to connect organizations with their customers and employees via mobile chat.

HelpScout - Help Scout is a simple, straightforward way to provide excellent support