UnityPDF - UnityPDF lets you merge, split, divide, rotate, protect PDF files and more.
HakuNeko - HakuNeko is an all-in-one cross-platform utility that supports you to download manga and anime with various website support.
PDFsam - PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files
Free Manga Downloader (Unofficial Build) - Forked from https://sf.net/p/fmd/. Contribute to riderkick/FMD development by creating an account on GitHub.
Clipperly - Convert, edit or optimize your files online. More than 400 different formats supported among documents, images, spreadsheets, ebooks, archives, presentations, audios and videos.
HDoujin Downloader - A powerful doujin/manga downloader that supports hundreds of different websites.