PDF Stacks With PDF Stacks, you can organize, find and browse, search, annonate and share your collection and library of PDF files, papers, research and journal articles with a... Commercial Mac OS X Windows Built-in viewer PDF annotation Real time collaboration Add a feature 6 Like
PDFKeeper PDFKeeper integrates with a compatible, relational database management system to provide an upload, index, and search solution for PDF documents. • PDF documents are... Free Open Source Windows .NET Framework Indexed search Integrated Search Add a feature 2 Like
Benubird PDF Benubird PDF makes personal document management simple: capture, organize and retrieve your PDF documents effortlessly. Managing files is easy with virtual folders and... Free Windows No features added Add a feature 15 Like Discontinued Software is discontinued, but still available for download from http://www.debenu.com/products/desktop/debenu-pdf-benubird/
