OpenStartup.dev - A collection of open startups
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Plezi - Plezi offers content marketing management software solution.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Pioneer Launcher - Track your launch progress & find product-market fit.
HelpScout - Help Scout is a simple, straightforward way to provide excellent support