Mendeley
Zotero
Qiqqa
JabRef
Paperpile
Citavi
Docear
EndNote
kdiff3
Beyond Compare
WinMerge
Meld
Araxis Merge
DiffMerge
P4Merge
Devart Code Compare
Mendeley
kdiff3Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Beyond Compare - Beyond Compare allows you to compare files and folders.
Qiqqa - Qiqqa is a free research and reference management software. It can be used in many organizational projects from the academic to the personal to the business endeavor. Read more about Qiqqa.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
JabRef - Graphical Java application for managing bibtex (. bib) databases.โJabRef ยทย โJabRef Help ยทย โJabRef | Blog ยทย โOpenOffice/LibreOffice .
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.