* Package name    : sejda
  Version         : 2.6.0
  Upstream Author : Andrea Vacondio <info@pdfsam.org>
* URL             : http://www.sejda.org/
* License         : (AGPLv3)
  Programming Lang: (Java)
  Description     : command line tool to manipulate PDF documents

Sejda is a java library and command line interface providing a set of tasks
(split, merge, rotate, crop, compress, etc...) to manipulate existing PDF
documents. It's very active, particularly important considering the
upcoming PDF 2.0 spec, and maintained on GitHub (
https://github.com/torakiki/sejda). It provides a long list of PDF tasks
http://www.sejda.org/development/available-tasks/ and it's battle tested as
PDF engine for the open source desktop tool called PDFsam (
http://www.pdfsam.org) and the online service https://www.sejda.com/