Bandwidth.com, provider of Internet and VoIP services to small and medium sized businesses, raised about $20.5 million in funding.
Stack Exchange, a Q&A network of sites formerly known as Stack Overflow, secured $12 million in a Series B round led by Index Ventures, with help from Spark Capital and Union Square Ventures.
StartupDigest is now sponsored by the Kaufmann Foundation, which is providing the startup community service with $200,000 to help it scale operations.