VitalSource has paid an undisclosed amount to acquire Hearst Ventures-backed educational content technology provider Acrobatiq.

Tencent reinvested in Kaochong, six months after leading the online study aid provider's $29m series C round.

Softgarden, a spinout of Saarland University, has been acquired for Investcorp Technology Partners for an undisclosed sum.

Online estate agent Yopa has closed a $26m funding round backed by return investors Daily Mail and General Trust and Savills.

The company has set its price range at $7.64 to $9.17 and is aiming to raise a total of $1.5bn from five cornerstone investors, including the previously disclosed $400m from Tencent.

Planday, a workforce collaboration platform backed by Metro, has closed a $40.8m series C round led by SEB Private Equity.

Samsung has put its weight behind a $50m series C round for Puls, which connects consumers with technicians specialising in smart devices.