SC2Mapster

Dust 2 by irninja

Dust 2 is probably the most played Counter Strike map and I would have never expected to see it on Starcraft 2, but irninja did it! This is at the moment a standard 1v1 map, but I'm pretty sure one of you will mod it to make it a FPS :)

Battle.net Lag Painter by progammer

In Battle.net custom maps, sometimes the game freezes but everyone stays in the game. When asking a unit to go somewhere the little arrows are drawn and stay in the map. progammer used this concept to make a "Paint" map. This is pretty clever and some artists did amazing pictures thanks to that!

Another Dota by ekcolnovkol

ekcolnovkol and his team have also been working on a Dota remake on Starcraft 2. This time this is not only a copy & paste but it tries to add new concepts. The most important feature added are Mercenaries.

Mercenaries are hired via the shop and provide support on the battlefield in the form of information acquisition, healing, chasing, or simply destroying towers/creeps. Like items in DotA, they are combined in later stages to call forth stronger mercenaries, but are subject to destsruction on the field. To offset this downside, players recieve a partial reimbursement when a mercenary dies.

The core mechanisms are done and they are working on heros abilities. Balancing will be done when the beta will come back. Stay tuned it looks like a great project!