Today’s funding announcements include sites for sharing and socializing Facebook updates and online videos:

Threadsy gets $2.9M for one-stop social networking: The San Francisco-based startup has raised a second round of funding to help users manage all emails and social network updates in a single place, according to an SEC filing. Threadsy, which works in a web browser, gave users the option to “dislike” or “love” Facebook status updates starting last February.

KickTag grabs $1.9M for video enthusiasts: The startup has raised a first round of funding from investors including the Stanford Research Institute (SRI), according to a filing with the SEC. The San Francisco-based company is a spinout from the SRI, where its CEO was an entrepreneur in residence in 2009, and KickTag claims to help users “save, share and socialize” video content online.

Estech brings in $8.5M to help heart surgeons: The San Ramon, Calif.-based medical device company has raised a new round of funding to develop minimally invasive procedures for cardiac surgeries, peHUB reports. Investors in this latest round for Estech, which previously raised $28M, include Saints Capital Everest, Telegraph Hill Partners, NBGI Ventures and Tullis Health Investors.

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Inveneo raises $740K to bring Wi-Fi to rural Haiti: The San Francisco-based nonprofit social enterprise has received a grant from the Clinton Bush Haiti Fund, an organization founded by the former presidents after Haiti’s earthquake earlier this year. Inveneo, which brings information technology to underserved communities around the world, plans to bring Wi-Fi networks to 20 rural population centers and 40 schools in Haiti with the grant.