iagodpassos / libremerge

Free, open-source diff and merge tool for macOS and Linux — WinMerge's battle-tested engine with a native Qt 6 interface

ResplandorFinal / ExamDiff-Pro-Compare-Suite

Best ExamDiff Pro 2026 File Comparison Tool for Windows 10 and 11

tooladda-online / compare-pdfs

Compare Two PDFs — Upload two PDF files and see exactly what changed: added, removed and edited text, visual differences, layout shifts and inserted or deleted pages. Text, visual, page-by-page and layout comparison in one tool — no Adobe Acrobat, no signup, and your documents never leave your device. Free on ToolAdda.online.