bittyBIG Dynamic Camera for Stencyl
Smart Camera Controller. Drag and Drop.
GameScripter.JS
Write games in JavaScript.
SCREENITRON
Real-time CRT Emulator with Retro Audio-Visual Vibes
Gamepad Piano
Create music with your devices
Xtend - Display Scaler
The simplest, setupless, pixel-perfect, most helpful, most versatile display scaler for GameMaker Studio 2.3