Svgo
SVGO is a Nodejs-based tool for optimizing SVG vector graphics files.
Stimulus
A modest JavaScript framework for the HTML you already have
Jimp
An image processing library written entirely in JavaScript for Node, with zero external or native dependencies.
Highland
High-level streams library for Node.js and the browser
Jsblocks
Better MV-ish Framework
Content Tools
A JS library for building WYSIWYG editors for HTML content.
Spine
Lightweight MVC library for building JavaScript applications
Snabbt.js
Fast animations with javascript and CSS transforms
Brain
[UNMAINTAINED] Neural networks in JavaScript
Jq Tree
Tree widget for jQuery
Gpu.js
GPU Accelerated JavaScript
Shipit
Universal automation and deployment tool written in JavaScript.
Vidage
Your solution to full-screen background video & image combined.
Move.js
CSS3 backed JavaScript animation framework
Choo
:steam_locomotive::train: - sturdy 4kb frontend framework
Redom
Tiny (2 KB) turboboosted JavaScript library for creating user interfaces.
Fast.js
Faster user-land reimplementations for several common builtin native JavaScript functions.