Hike, the developer of a free mobile messaging app, has now raised $21m from Bharti Softbank Holdings and has passed 15 million users.

OpenSesame, a provider of online training courses, has raised $8m in a series A funding led by Partech Ventures.

Software-as-a-service provider AtTask has raised $38m Series D funding in a round led by JMI Equity.

LiveSafe, which has created a personal safety smartphone app, has raised $6.5m, with media company IAC the biggest investor.

The music streaming service, which counts Coca Cola, Goldman Sachs and Fidelity among its investors, has reportedly started talks with investment banks over an initial public offering.

The Google-backed technology recruitment marketplace has now raised $17.7m in the space of just over a year.

The Naspers and Tencent-backed, ibiboGroup has followed its purchase of bus ticketing company redBus last year with the acquisition of another India-based bus travel service.

Nokia Growth Partners and Randstad Innovation Fund have backed Gigwalk's $10m series B round, which has increased its total funding to almost $18m.