Basecamp is one of the most popular online project management solutions, but its glory days seem to be over. Common complaints about Basecamp include outdated interface, lack of free plan and social collaboration tools, technocentricity that make Basecamp a poor choice for regular businesses, and absence of common PM tools, such as Gantt chart or employee workload management, which are only available as third-party extensions that have to be purchased. Here's a side by side feature comparison between Basecamp and Bitrix24 to help you decide, if it's a free Basecamp alternative you are looking for.
* Please note that the information may have changed since the publication. For current prices and features please visit Bitrix24 pricing page.