- abiword
- anystyle
- beagle-project
- chandler
- cmap
- coggle
- deepamehta
- devonthink
- djvulibre
- docear
- document-cloud
- endnote
- evernote
- evince
- foxit-reader
- freecite
- freemind
- freeplane
- jabref
- libharu
- libreoffice
- liquidtext
- mendeley
- microsoft-word
- mupdf
- nitro-reader
- okular
- pad
- pad++
- paperpile
- paperpile-older
- papers
- parscit
- pdf.js
- piccolo2d
- poppler
- publish-or-perish
- qiqqa
- qpdf
- qpdfview
- readcube
- reflect
- scrivener
- sisu
- sri-pal
- sumatrapdf
- the-board
- thebrain
- thinkmap
- tinderbox
- treesheets
- uplib
- utopia-documents
- viv
- vue
- zotero