Drawboard Projects is described as '(formerly Bullclip) streamlines markup communication on PDF drawings and documents, reducing team frustration and time' and is an app in the Office & Productivity category. There are three alternatives to Drawboard Projects for a variety of platforms, including Windows, iPad, iPhone, Mac and Online / Web-based. The best alternative is PlanGrid, which is free. Other great apps like Drawboard Projects are Bluebeam Revu (Paid) and Workframe (Paid).
Bluebeam Revu delivers award-winning PDF creation, editing, markup and collaboration technology to Windows desktop and tablet users. Create and navigate smart, information-rich document sets from converted Microsoft Office and CAD files.
Project management and collaboration for high-performing real estate professionals. Workframe is designed to drive transparency, facilitate communication and avoid critical mistakes that could result in project delays and cost overruns.