Unleash - Open source Feature toggle/flag service. Helps developers decrease their time-to-market and to increase learning through experimentation.
Webiny - The Enterprise CMS platform that you can host on your cloud
Marvel for iOS - Rapid design and prototyping for the iPhone and iPad
Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.
Google Sites - Access Google Sites with a free Google account (for personal use) or G Suite account (for business use).
Kodular - Much more than a modern app creator without coding