Bentley ProjectWise is described as 'ProjectWise is the only project collaboration and engineering information management software developed explicitly for the design and construction of architecture, engineering, construction, and operations (AECO) of infrastructure projects' and is an app in the Office & Productivity category. There are four alternatives to Bentley ProjectWise for Online / Web-based and Windows. The best alternative is BlueCielo Meridian. It's not free, so if you're looking for a free alternative, you could try Xref.com. Other great apps like Bentley ProjectWise are GTeam (Paid) and Bimsync (Paid).
Xref solves the problem of, "who has the current file?" When more than one person works on the same version of a file--mistakes can happen (sometimes being very costly). Avoid this problem with Xref.com.
bimsync helps projects collaborate, share models (BIM), files and documents online. Architects, contractors, consultants, engineers and owners use bimsync to communicate ideas, reach consensus faster, make less mistakes, reduce latency and costs.