Wayback Machine
Browse through over 150 billion web pages archived from 1996 to a few months ago. The Internet Archive is a non-profit online-application that was founded to build an Internet library.
WebCite®, which used to be a member of member of the International Internet Preservation Consortium, is an on-demand archiving system for webreferences (cited webpages and websites, or other kinds of Internet-accessible digital...
webcite®, which used to be a member of member of the international internet preservation consortium, is an ondemand archiving system for webreferences (cited webpages and websites, or other kinds of internetaccessible digital objects), which can be used by authors, editors, and publishers of scholarly papers and books, to ensure that cited webmaterial will remain available to readers in the future. if cited webreferences in journal articles, books etc. are not archived, future readers may encounter a "404 file not found" error when clicking on a cited url.
Productivity Phots and Graphics Backup and Sync
online-backup web-based mirror-backup