Apps to Dead Link checking

Pinry is an open-source, self-hosted visual bookmarking and image board system, similar to Pinterest. It allows users to save, organize, and share images, videos, and webpages using tags for easy retrieval and discovery.

SemanticScuttle is an open-source, self-hosted social bookmarking system that emphasizes structured tagging and collaborative knowledge management. It allows users to save, organize, and share bookmarks with a strong focus on semantic relationships between tags.

Shaarli is a minimalist, self-hosted bookmarking service designed for speed and simplicity. It allows users to save, organize, and share links without relying on external databases, offering a lightweight and private alternative to traditional bookmarking tools.