Here's the more popular dozen or so: https://github.com/collections/javascript-game-engines

If you want to know about the really small indie ones that are less for actual use and more for just "I want to make a game engine" I would check out the various gamedev Discord and Reddit channels. There's always people showing off their work.

Phaser, as game engine, Pixi.js as a powerful render library (FRVR.com games were made formerly with Pixi.js). You can use Cocos Creator (not Cocos2D-x)

2d phaser (photonstorm) 3d babylonjs (microsoft)