Free, open source game engine online
A 2D rigid body physics engine for the web
A isometric city builder in JavaScript
Fast and lightweight JavaScript game engine built on WebGL and glTF
Fast, user-friendly cross-platform custom launcher for Minecraft
A high-performance, industry-standard 2D physics engine built on Box2D
The Tiny JavaScript Game Engine That Can!
FlightGear Flight Simulator: free open-source multiplatform flight sim
Platform independent browser based Str8ts solver
Platform independent browser based Sudoku solver
Let it snow in your browser
Free Texas Holdem Poker game using HTML5, CSS and JavaScript
Some humble web applications
A Wii-like game that can be controlled using a Nunchuk or a phone.
Manage old PCs
Web-based karaoke software suite
javascript chess games viewer for websites, blogs and live broadcasts
War of seventh kings
Online War system for IL-2 Sturmovik and Iron Front in ArmA 2
ek- of wkvoetbalmanager
quiz game with spin wheel
JavaScript framework to build game engines, games, emulators and apps
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers