Dropbox has acquired startup Clementine Lab, which developed a corporate-focused, business communication app that employees could use to make voice calls and exchange messages. The deal provides Dropbox with Slack-lite service within its own platform, it also make file sharing and online collaboration much faster and easier. Financial terms of the deal were not disclosed. 

Clementine’s team posted the news on their blog post: “The Clementine service. . .will be shutting down,” and added this: “The free portion of the app will remain active for current users until August 31, 2015 and we’ll provide plenty of help to regular and premium subscribers as the service transitions.” 

Founded in 2013 and based in San Francisco, Clemetine Lab provides conference calls along with voice service and messaging for work without the use of personal phone or mobile numbers. Investors include Homebrew, Redpoint Ventures, WTI, John Robb, Ariel Seidman, Roy Sehgal, Chad Thorton and Steven Bulfer. 

San Francisco-based Dropbox is a file hosting service that provides cloud storage file synchronization, personal cloud and client software. It uses a freemium business model, where it offered a free account with a set storage size and paid subscriptions for heavy users. Founded in 2007 by MIT students Drew Houston and Arash Ferdowsi. Its backed by Sequoia Capital and Accel Partners. The company has been beefing up its enterprise offerings, launching new features and services that could help businesses collaborate on files.