Avris

jQuery used to be virtually indispensable, if you wanted to develop a cross-browser website without getting a headache.

Today, however, you might not need jQuery, especially, if you’re developing a library and want to avoid unnecessary dependencies.

Still, some helpers could be useful... Vanillin is an opinionated set of helpers that I find most useful, a bare minimum to make life easier.

A set of useful, string-related helpers:

Avris Bag is a set of helpers that make working with arrays in PHP way easier.