LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
Pixi.js - Fast lightweight 2D library that works across all devices
draw.io - Online diagramming application
Anime.js - Lightweight JavaScript animation library
OmniGraffle - OmniGraffle is for creating precise graphics like website wireframes, an electrical system designs, or mapping out software class.
Glottologist - JavaScript translation framework