Zettlr
ZettlrAn all-in-one publishing workbench. Writing happens in Markdown and exports to DOCX, PDF, HTML and more through Pandoc, with citations, footnotes, multilingual spell checking and full-text search. It suits authors and researchers producing finished documents straight from a draft.
Rapid-Reader
Zer0codestuffFree, open-source native macOS speed reader. RSVP for EPUB, PDF, DOCX, Markdown and web articles, with a full-text view.
bindPDF
vishaltelangreA graphical tool for merging several PDFs into one. Drag files into a list, reorder them and merge in one click, with a friendly interface and no command-line flags or online uploads. It suits assembling scattered PDFs into a single document.
exifcleaner
szTheoryA cross-platform desktop app that strips metadata from images. Dropping photos in removes EXIF details such as device, timestamp and GPS location, so sharing an image does not leak private information, with batch handling of images, PDFs and video. It suits people who want metadata gone before posting.
DesktopEditors
ONLYOFFICEOpen-source office suite pack that comprises all the tools you need to work with documents, spreadsheets, presentations, PDFs, and PDF forms on Windows, Linux, and macOS
koodo-reader
koodo-readerA modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web
panoply
anzal1Every file tool in one open-source app. PDF, image, video, audio, OCR and ID photos, on your device, offline, with nothing uploaded.