CubePDF Utility is a PDF editor which can insert, remove, move, rotate pages, add or modify some metadata (PDF version, title, author, subject, keywords, creator, page layout), and encryption settings through the GUI. The application uses PDFium and iTextSharp.
You can use the CubePDF Utility from our download page. Moreover, CubePDF Utility is provided as an Open Source Software (OSS). The source code is available at our GitHub. Try it out now!