Q: What is BYOND?
A: BYOND is a community for making & playing 2D online multiplayer games. As a player you get to enjoy hundreds of games made by normal people and players just like you. As a developer you get to create your own game with unique features using an easy-to-learn programming language, built-in support. built-in map engine and lots of developer tools. IT'S COMPLETELY FREE
Yeah it is .. normally I'm not much into coding, but I've started studying it. It kinda similar to java script & C++, but a bit easier, if you know English well enough you can learn it easily.