Building a Software Business
If you're a software developer, you might be interested in this. Neil Davidson has created the Business of Software social network, "For anybody interested in building long term, sustainable, profitable software businesses."
Meanwhile, if you're stuck on a project, whether it's software or something else, the SCAMPER Random Question Tool might help dislodge your mental blocks.
To understand the theory behind the tool, you can read the SCAMPER guide.