PDFTK Builder might be a bit more popular than Simple Scan. We know about 1 link to it since March 2021 and only 1 link to Simple Scan. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I really like https://launchpad.net/simple-scan. Source: over 2 years ago
Such as a book cover ? Then perhaps it's better to export both as PDFs and use a tool such as PDFTK to join the PDF of the cover with the PDF of your document. Source: almost 3 years ago
NAPS2 - NAPS2 is a document scanning application with a focus on simplicity and ease of use.
PDFsam - PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files
VueScan - Third-party software for film scanners and flatbed scanners.
PDF Arranger - Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop...
XSane - A good proposal for SANE-2 has been written.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.