What started a short list became quite a big description, more details inside the post.
Best Practices for Building a Microservice Architecture. Looks like a wide set of questions covered.
Kuzzle.io - self-hostable BaaS. Aimed for realitme, notifications and full text search.
Popper.js - great JS lib to manage tooltips and popovers. A lot of customizations and features.
Transphporm - CSS rules based PHP template engine with original approach.
Framework functionality that is not related to merely taking input from a Request and presenting output through a Response becomes entirely secondary to, perhaps even actively harmful to, building well-structured applications... [more]
RestDB The Plug and Play Database Service. Now I know what to use as a persistent storage for a small JS app demos.