Check out FileOptimizer (https://nikkhokkho.sourceforge.io/static.php?page=FileOptimizer). - Source: Hacker News / 5 months ago

My favourite tool for one-off losless image optimization is FileOptimizer, each asset is processed with several size optimization libraries. https://nikkhokkho.sourceforge.io/static.php?page=FileOptimizer. - Source: Hacker News / over 1 year ago

Good stuff. I use optipng and other things via https://nikkhokkho.sourceforge.io/static.php?page=FileOptimizer before I upload any image to anywhere where others might download them. - Source: Hacker News / almost 2 years ago

Ok what about https://imageoptim.com/mac or https://nikkhokkho.sourceforge.io/static.php?page=FileOptimizer Like, fileoptimizer uses tons more PNG optimisers. - Source: Hacker News / almost 2 years ago

It looks good and seems easy to use, however its function might already be covered by PDFSam Basic (also open-source). Source: about 1 year ago

Free and open-source solution for pdf merging: https://pdfsam.org/pdfsam-basic/. Source: over 1 year ago

Since PDFs are provided. You can build (merge) one using a tool such as PDFSam. Source: almost 2 years ago

If I understand correctly, you want to merge PDFs basically. I think PDF Sam Basic (open-source too I think) and Sejda Desktop might work, depending on how many PDFs you need to edit every day. Source: about 2 years ago

Edit functions such as split, merge, extract, mix and rotate are all free. Yes, they have a premium version, but the free version is definitely way more than a glorified viewer: https://pdfsam.org/pdfsam-basic/. Source: about 2 years ago