This page lists delicious replacements and thoughts and feedback about them.
See also the Wish list.
Scuttle is probably the most widely used delicious replacement that is distributed under a free license. It has been under development since 2005 but was still under at least some development in 2011.
It is written in PHP and uses MySQL. It has implemented a Delicious-compatible API which allows use of slightly modified third-party tools that work with Delicious.
- The source code (which contain installation instructions) are online at the Project's SourceForge Page
- FireFox extension has gone through several versions but is currently under active development in underhilllabs' GitHub repository which contains versions of the plugin updated to FF versions 7 and 8 and which also contains versions for old versions (older plugins:   
- A working demo demo of Scuttle (software has been lightly extended)
- Another Demo (a one-person) installation
An important concern with Scuttle is dealing large number of incoming links spam from people who have written software specifically to prey on Scuttle sites by creating accounts and adding links to their own websites. The simplest way to address this is to block new address creation. There are two major ways of doing this:
- Perhaps the most simple way is to add
config.inc.php. Of course, this will block all new account creation so should only be done if you want to block all accounts. Of course, the site administrator can temporarily remove this variable to allow accounts to be created.
- One can also add functionality to review and approve users, using a method like the one described in detail here.
Other scuttle resources:
- Adercon Consulting has published a series of articles on setting up Scuttle and tweaking it to work more effectively. They have focused on a series of anti-spam issues as well.
SemanticScuttle is a social bookmarking tool which is based on Scuttle but which offers a series of features. It was "forked" from Scuttle in 2007 and continues to be under active development. It offers both "classic" tags and structured semantic tags, hierarchical tags, and collaborative descriptions as well as other features like OpenID.
Del.icio.us like alternatively written in Perl. After stalling for some time, development (as of 2011) has resumed. Insipid also includes a Firefox extension though which remains under active development.
Student run project from the University of Minnesota: We want you to get your bookmarks from any computer, anywhere, whether you're at home, work, a library, or at school. We want to create a place where people can share their bookmarks with friends, family, and co-worker. We want to create a fun, flexible, and fast alternative to standard browser bookmarking.
The project lists support for "Firefox 4" which (as of lat e2011) is several years out of date. But the plugin seems to basically install and to work and the page is maintained.
Yummy is a self-hosted alternative to Delicious created in the aftermath of Delicious' move away from Yahoo. It attempts to provide a much more "traditional" user interface. Currently (November 2011), it only supports reading bookmarks but continues to be under at least some level of active development.
Rubric is a note-keeping system that also serves as a bookmark manager. Users store entries, which are small (or large) notes with a set of categorizing "tags." Entries may also refer to URIs.
Rubric was inspired by the http://del.icio.us/ service and the Notational Velocity note-taking software for Mac OS.
StatusNet, the software which powers http://identi.ca, has added bookmarking functionality as well. It provides an import interface for pulling in delicious bookmarks, and new bookmarks can be posted with similar fields -- URL, title, description, tags.
"Selficious is a new Python-based personal web bookmarking application very similar to Delicious. It's designed for just one person to stash their bookmarks on a web server."
- GitHub Last updated was December 2010 (as of ~1 year later)
"Scrumptious is a CouchDB based Delicious-clone by Jan-Piet Mens. It supports importing Delicious bookmarks."
- Blog post that explains the project and goes into detail about how it works and how to set it up
- GitHub repository
The project seems largely like a CouchDB proof of concept than something designed to be a usable and long-term maintained system.
http://sebsauvage.net/wiki/doku.php?id=php:shaarli Lightweight php bookmarking project with no database (everything is stored in a file)
- Ma.gnolia was a proprietary alternative to Delicious. However, it's 2.0 version was being developed as 2.0 under the hosted service suffered catastrophic data loss and was shut down permanently. The code, although not touched since 2009, is still available.
- Boo is a free software bookmarking script. Unfortunately, its development has been stalled for 3 years as of late 2011 and its homepage is currently been attacked so that it is displaying long lists of spam links.
- Sabros.us is both a hosted service and a downloading piece of free software. Founded in 2005, in December 2009 the project was listed as "no longer under active development."
- gnizr™ (gə-nīzər) is an open source application for social bookmarking and web mashup. It is easy to use gnizr to create a personalized del.icio.us-like portal for a group of friends and colleagues to store, classify and share information, and to mash-it-up with information about location. According to the Google Code project page, the project seems to be dormant and has not been updated since 2008. The company that was supporting it's development announced that it had been acquired and that "Gnizr's future was bright." The acquiring company's website has no mention of Gnizr and the project seems to be defunct.
- SiteBar describes itself as "a solution for people who use multiple browsers or computers and want to have their bookmarks available from anywhere without need to synchronize them or take them along." It's last release on SourceForge is in 2006 and its last update to the SVN repository linked from its download page in 2009.