SugarLab
A lightweight HTML5/JS library for making games!
A lightweight but fully-featured canvas based engine for writing games. Features:
-Browser handling
-Basic game structure
-Pollable control states
-Entities system
-Full audio tag support
-WebAudio API integration
-Vector math
-Collision detection for lines, AABB's, and convex polygons
-Built-in debug drawing
-Nodes, NodeMaps, and A* pathfinding
-Viewport system
-Many optimizations such as sorting, culling, minimal state changes, etc.