Backend development
PHP official docs
The famous server-side interpreted language that holds the greatest part of webserver market.
Symfony
#1 PHP framework in Europe, and a huge toolset to power up your website, from workflow to fixtures.
Slim Framework
Alternative and ligher framework focused on REST APIs development.
OpenAPI (formerly Swagger)
Quickly visualize an API spec from its swagger.json without downloading anything from this online editor.
JSON Web Tokens
Quickly decode what infos a JWT string holds by pasting it in this online editor.
Docker
Docker is a key tech in the modern dev world, with best of both worlds : native-like performance and VM-like isolation.
Frontend development
Mozilla JavaScript reference
JS does not have a unique spec, but Mozilla’s one is a good start.
TypeScript
The typed Javascript superset language, backed by Microsoft.
Twig templating engine
A templating language designed to add logic to html, with access to PHP variables and functions.
Angular
Single-Page Application (SPA) TypeScript framework backed by Google.