At the ng-conf event in May 2016 there were sessions discussing how Angular 2 can support server side rendering in various platforms. If you're working on a project running on Node.js, then Angular 2 is a native citizen. For other options like ASP, Java and PHP there are a few options on the table.
Twig is everywhere. eZ Platform, Bolt, Drupal 8 and other popular projects have adopted it. At the same time Node.js and Web Components have risen to popularity. This article discusses merging the popular PHP templating engine Twig to Riot.js, a lightweight React-like user interface library using Node.js for server side rendering.