Makerlog - Makerlog is the dead-simple task log that helps you stay productive and ship faster.
ChatMe - Chat with people on your school campus
WIP.co - Work in progress. We are a community of makers who help each other ship product.
Involvio - Increase Student Engagement On Your Campus
Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.
Sneek - Sneek lets you see your team mates all day and start instant video chats with a single click.