Waltham, Mass. – Black Duck Software, a Waltham-based provider of strategy, products, and services for supporting large-scale adoption of open source software, has raised $12 million in a round of venture capital.

Genwi, which makes cloud publishing platforms for tablets and smartphones, raised $4 million in Series A funding in a round led by Nexus Venture Partners with participation from existing investors Inventus Capital Partners and Quest Venture Partners.

Social voice platform Qwips announced today the company secured $1.25 million in series A funding, led by Shawn Landgraf of Magnus Partners and Allan Watson of NYC Trading Floor.

Box, a Palo Alto-based provider of online file-sharing services, said on Tuesday it has raised $81 million in an expansion of its fourth round of venture capital, which was led by salesforce.com and SAP Ventures.

Fundraising by venture capital firms totaled $1.7 billion in the third quarter this year, down 53 percent from the same period last year, according to newly released statistics from the National Venture Capital Association (NVCA).

Gamers’ social service Xfire has secured $4 million in funding, led by Intel Capital, and is splitting from its parent company Titan Gaming. This is the second significant change for Xfire in slightly over a year: Titan bought Xfire from Viacom in 2010 for significantly less than the $102 million deal that put Xfire into Viacom’s portfolio five years ago.

Keek Inc. announced today that it has raised $5.5 million in equity financing from a group of investors led by AlphaNorth Asset Management and Plazacorp Ventures, with PowerOne Capital Markets Ltd. acting as agents. The Toronto-based startup operates Keek.com, a microblogging social networking platform based on video instead of text.

Mobeam, a Cupertino-based developer of communications technology that allows mobile phones to interact with laser scanners at retail checkouts, said on Monday it has raised $4.9 million in its first round of funding. Participants included yet2Ventures, Samsung Ventures and Mitsui, as well as other independent investors. The company said it will use the proceeds to accelerate business development efforts with major consumer and retail brands.

GigaMedia Ltd. confirmed it received formal notice on Sept. 29 that it was in danger of being delisted. The letter from the Nasdaq Global Market came about a week after the company announced updated information on the free-to-play “SpongeBob SquarePants” massively multiplayer online game, Viacom’s first MMOG to be developed outside of the United States. The caution said that for the previous 30 consecutive business days, the bid price of GigaMedia’s common stock closed below the minimum dollar per share.

Karmasphere has secured an additional $6 million in funding, led by new investor Presidio Ventures with participation from existing investors Hummer Winblad and US Venture Partners. This brings the total investment in the company’s Big Data Intelligence software, which helps businesses structure, manage and mine massive amounts of information, to $11 million. Presidio Ventures’ Shun Aramaki will be joining the board.