Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.

Telbee.io - telbee adds voice messaging to podcasts, websites, social media and email to easily hear from and build human relationships with your customers and community - save time, reduce frustration, and gain sales, understanding and fans

Anchor CMS - Free and lightweight blogging system

Vocaroo - Vocaroo is a quick and easy way to share voice messages over the interwebs.

Textpattern - Textpattern is an elegant content management system that is free, open source software.

spoonity - Spoonity is a white labelled, POS-integrated loyalty solution for the QSR business.