HipChat is a popular group chat and business messenger launched in 2010 and later acquired by Atlassian. Recently, Hipchat has been losing users to Bitix24, Slack and other free next generation group chat solutions. While HipChat is well integrated with other Atlassian products, lack of business tools that aren't related to software development and the outdated interface are driving the exodus. Here's a detailed feature comparison chart to help you decide if Bitrix24 is a free HipChat alternative you've been looking for.
* Please note that the information may have changed since the publication. For current prices and features please visit Bitrix24 pricing page.