BetaList

BetaList has previously covered startups such as Pinterest, IFTTT and Mailbox before they launched and made it big.

/r/startups

/r/startups is a community for all backgrounds, levels of expertise, and business experience.

Launching Next

Launching Next showcases the world's most promising new startups every day.

KillerStartups

KillerStartups is a user driven internet startups community.

Show Hacker News

Show Hacker News is a way to share something that you've made on Hacker News.

Startup Buffer

Startup Buffer is a place to find, follow, and recommend startups. They cater to early adopters.

BetaPage

Launch your beta startup with BetaPage Get subscribed by global users for better testing and feedback.

Product Hunt

Product Hunt is a curation of the best new products, every day. Discover the latest mobile apps, websites, and technology products that everyone's talking about.