It’s usually necessary to store user data server side in a database or similar repository. This guarantees persistence and ensures users can access their data from any web-connected browser (presuming your storage system is reliable, of course!) But sometime, storing data in the browser could become a more viable option. Post by Craig Buckler.

NumVerify offers a full-featured yet simple RESTful JSON API for national and international phone number validation and information lookup for a total of 232 countries around the world.

A toolkit for building rich-text editors on the web. An ideal content editor produces structured, semantically meaningful documents, but does so in a way that is easy for users to understand. ProseMirror tries to bridge the gap between Markdown text editing and classical WYSIWYG editors.