Экосистема Ruby (on Rails) с горьким привкусом или "мы любим ненавидеть PHP"

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.