Based on our record, WinMerge seems to be a lot more popular than Sumatra PDF. While we know about 28 links to WinMerge, we've tracked only 1 mention of Sumatra PDF. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You can use your browser for both, there are extensions(FireFox - PDF & EPUB/Chrome - PDF& EPUB) for that. In case, you want you use a separate software for them, I suggest SumatraPDF--it handles both PDFs and .EPUB files. Source: over 1 year ago
I use WinMerge[1] a lot, and it's always impressed me how it immediately opens to a useable state. So it's absolutely still possible to write Windows software that can open instantly. I think the biggest issue, which multiple other comments have identified, is that people just don't care. Apps open fast enough these days, and no one is pushing back on developers to improve their app's startup performance. [1]:... - Source: Hacker News / 12 months ago
I’ve used winmerge before and had good results comparing drives. Source: about 1 year ago
However, if you're looking to compare files that already exist, you can use something like WinMerge. Source: about 1 year ago
I use Robocopy to preserve the original timestamps (using the /COPY:DAT and /DCOPY:DAT arguments) and WinMerge for doing a subsequent binary compare of the source/destination (sorting the results column by which files are different). Source: about 1 year ago
I haven't used this one but for example https://winmerge.org. Source: over 1 year ago
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