SmoochBot - Open source on-boarding bot for conversational apps
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
HelpSite - HelpSite is a simple service to help your setup the perfect support centre or help site.
Hotline - In-app chat,real-time engagement & self-service for your app
Gist Platform - Live chat, bots & marketing automation -- free.
Message Me - Website to create your contact business card