Researched replacement candidate: https://www.nintendo.com/nl-nl/Games/Nintendo-Switch-games/NEOGEO-POCKET-COLOR-SELECTION-Vol-1-1941381.html
Researched note: Nintendo product page for the same Switch title; old Limited Run product URL 404s.
Researched replacement candidate: https://www.madeforstacks.com/addon/embed
Researched note: Current MadeForStacks listing for the Embed stack, replacing old Stacks4Stacks URL.
Researched replacement candidate: https://www.rapidweaverclassroom.com/updates/?id=foundry-3-rapidweaver-projects-now-available
Researched note: Closest current page found about pre-built RapidWeaver/Foundry project files.
Researched replacement candidate: https://stacks4stacks.com/
Researched note: Stacks4Stacks now points users to the LTS bundle; old ShareStack page 404s.
Researched replacement candidate: https://yabdab.zendesk.com/hc/en-us/sections/115000701586-Wordpress-Stack
Researched note: Yabdab support section for the WordPress Stack; old product page 404s.
Researched replacement candidate: https://shop.icomp.de/index.php/en/news.html
Researched note: Current official iComp English news page.
Researched replacement candidate: https://github.com/mist-devel/Menu_MIST
Researched note: Repository appears moved/maintained under mist-devel/Menu_MIST.
Researched replacement candidate: https://www.irislink.com/Documents/Image/_IrisLink2.0/support/Documentation/IRISPen/IPEXE_7_QUG_EN.pdf
Researched note: IRISPen Executive 7 quick user guide PDF from IRISLink; product page itself appears gone.
Researched replacement candidate: https://c64audio.com/products/project-hubbard-9-disc-box-set
Researched note: Current C64Audio Project Hubbard page references Rob's Life; old product preorder URL 404s.
Researched replacement candidate: https://sealandgov.org/products/new-sealand-identity-card
Researched note: Current Sealand Identity Card product URL.
Researched replacement candidate: https://www.hyperion-entertainment.com/index.php/downloads?parent=39&view=files
Researched note: Hyperion current AmigaOS 3.1 downloads page including 3.1.4 release notes; original purchase page 404s.
Researched replacement candidate: https://practicalcsm.com/free-membership/
Researched note: Practical CSM free membership/training access page; old free workshops page 404s.