Based on our record, library.io should be more popular than Sumatra PDF. It has been mentiond 2 times since March 2021. 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'm trying to make my first pcb with a SATA connector. I have tried searching library.io for these connectors but can't find anything. Source: about 2 years ago
More complicated but more capable: https://library.io/. Source: almost 3 years ago
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