Pinboard is a bookmarking website intended for people who want to reliably keep track of large numbers of links. Its goals are to be useful, fight bloat, keep things fast, and stay small. Social bookmarking for introverts. m.pinboard.in
- - Pinboard is the most popular Web-based alternative to hoarde.rs.
- - Pinboard is the most popular commercial alternative to hoarde.rs.
BibSonomy is a system for sharing bookmarks and lists of literature (BibTex format).
- - BibSonomy is the most popular Open Source & free alternative to hoarde.rs.
SemanticScuttle is a self-hosted and web-based social bookmarking tool experimenting with new features like structured tags and collaborative descriptions of tags. Originally a fork of .
- - SemanticScuttle is the most popular Windows, Mac, Linux & Self-Hosted alternative to hoarde.rs.
The project is no longer developed. Last version, 0.98.5, released in March 2013, can be still downloaded from SourceForge.