Twinme - Twinme – Private Messenger is a free, secure, instant, and high-definition messaging app that protects your privacy along with giving you full control over each of your relationships and contents.

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

Textra - Textra is a seriously beautiful, feature rich SMS and MMS app.

Anchor CMS - Free and lightweight blogging system

Material Messaging - Material Messaging is a beautiful communication app that lets you send and receive SMS and MMS messages using the intuitive interface while giving you complete control over every aspect of your messaging experience.

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