Wget, HTTrack, Pocket, CherryTree, WebCopy, Website Downloader, Milanote, Instapaper, Offline Explorer, Website Ripper Copier, Trilium Notes, ScrapBook, UnMHT, ArchiveBox, SingleFile, Cryptee, WebZip, WebReaper, SiteCrawler, ScrapBook X, Darcy Ripper, Offline Pages Pro, SurfOffline, NCollector Studio, PageNest, Fossilo, Wysigot, PageFreezer, WebArchives, Web Dumper, WebsiteToZip, Blue Crab, WebNotes, Omea Pro are some alternatives to PageArchiver.