Archive.md - archive.is allows you to create a copy of a webpage that will always be up even if the original link is down
Waybackpack - Download the entire Wayback Machine archive for a given URL
Wayback Machine - Browse through over 150 billion web pages archived from 1996 to a few months ago.
YouTube Decade - Watch the most viewed videos posted exactly 10 years ago
Perma.cc - Perma.
ArchiveBox - The open-source, self-hosted internet archiving solution