OpenMC
OpenMC is a WebGL NativeClient(NaCl) implementation of MineCraft.
This Project has been renamed to FreeMC. Please go here for latest version.
Currently only a few features are implemented but it is looking good.
Check out an "older" live demo here (login as demo/demo).

Keyboard Controls (similar to the offical game)
AWSD / Arrow KeysMove player
EView personal inventory
SPACEJump
CTRLRun
Left ClickDig
Right ClickPlace/Use block
1-9Select active inventory slot
ENTERSend a message (chat)

Creative/Edit Mode (walk thru walls)
/Toggle edit mode (if server allows)
RFly up
FFly down

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