Web browser add-ons and Bookmarklets
Randomizer button- A great way to find sites whch you may never have discovered otherwise, the button takes you to a random, recently bookmarked site.
del.icio.us Toobar- A Firefox extension allowing you to bookmark and tag sites from a toolbar in the browser.
del.icio.us Firefox Extension- The official del.icio.us Firefox extension does a great job of integrating your favorite bookmarks into your favorite web browser.
Quicker Tag Bookmarklet- Add to your Firefox toolbar to quickly tag bookmarks with specific keywords.
Mischievous- Browser plugin for Internet Explorer using del.icio.us to manage your bookmarks.
del.icio.us Internet Explorer Context Menu- An IE context menu for del.icio.us, just right click, ad, and tag.
nutr.itio.us- Allows selection of the text for the description of the link to add to your delicious links via usage of a bookmarklet
Another Delicious Sidebar- A Firefox extension sidebar for browsing and editing your del.icio.us bookmarks.
del.icio.us Complete- A good alternative to the official Firefox extension, more suited towards power-users.
del.icio.us post- Firefox extension which is a simple way to post your current page or link to del.icio.us.
VeryDelicious- A Firefox extension toolbar that allowing the user to quickly add and find del.icio.us bookmarks.
Search plugin for Mozilla browsers- Search your del.icio.us bookmarks using this extension for any mozilla browser.
HuntAndGather- A Firefox extension which opens tabs corresponding to the latest URLs stored on del.icio.us given a specific tag with many advanced options.
Delicious Linkbacks- A boomarklet which allows you to easily see all the buzz around any webpage.
Lazy Sheep Bookmarklet- A bookmarklet which automatically tags and describes your bookmarks with use of an algorithm.
loqu.acio.us- Add comments to del.icio.us from anywhere using a simple bookmarklet.
del.icio.us loader- Loads Firefox bookmarks directly into del.icio.us.
Outfoxed- Adds del.icio.us to your informers list.
foxylicious - A Firefox extension which syncs your local bookmarks with del.icio.us.
delic123- A firefox toolbar facilitating multi-faceted search in del.icio.us.
Familiar Taste - is a Greasemonkey extension for the Firefox web browser that consults your set of del.icio.us bookmarks to see if you have the current page marked.
del.icio.us one click delete - A Firefox extension allowing you to delete del.icio.us bookmarks in a single click.
del.icio.us Opera Buttons- A custom Opera button where you enter your del.icio.us username and then you can click on the buttons or drag them into your main bar.
Safarilicious- Automatic exporting of Safari bookmarks to del.icio.us.
Scrumptious- A Firefox sidebar add-on for del.icio.us.
Fastest Ways to Post- Powerful bookmarklets based on the del.icio.us API.
Internet Explorer Active Channel- Synchronize your del.icio.us bookmarks with Internet Explorer.
Integrating Bloglines and del.icio.us- Easily post Bloglines posts to del.icio.us.
Buttons for Internet Explorer- Similar functionality to the Firefox extension, but for IE.
konqil.icio.us- A del.icio.us service menu for the web browser Konqueror.
One-Click Delete- Adds a simple delete link to all del.icio.us pages. Similar bookmarklets at post.icio.us.
Save This Page- A direct link from your website to save to del.icio.us.
Firefox Search Plugin- Direct del.icio.us search from Firefox.
Epilicious- An extension for the Gnome web browser Epiphany that lets you synchronize your local bookmarks with del.icio.us.
Visualization and Alternative UIs
HubLog- Browse del.icio.us tags graphically.
del.icio.us direc.tor- A nicely implemented del.icio.us alternative view.
Your del.icio.us top sources- See your top del.icio.us bookmark sources.
del.icio.us surf- Browse del.icio.us tags/users in a visual interface.
del.icio.us Auto-Complete- Adds auto-complete to del.icio.us posting areas for more efficiency.
Grafolicious- Graph the evolution over time of a single del.icio.us bookmark.
Trendalicious- A real-time view of del.icio.us trends.
del.icio.us Most popular Treemap- A visual treemap based upon the del.icio.us most popular.
LiveMarks- Real time preview of the latest, and most popular del.icio.us bookmarks.
spid.ero.us- Find new bookmarks from social bookmarking services like del.icio.us in an alternative interface.
fac.etio.us- Navigate del.icio.us by means of a faceted interface.
Mapping del.icio.us- Plots the locations of del.icio.us geotags on maps.
del.icio.us direc.tor- An alternative ajax-based interface for del.icio.us.
DeliciousMind- Create an XML structure from your bookmarks for import into FreeMind mind mapping software.
Styling del.icio.us- A greasemonkey based firefox skin, and a Safari one for styling del.icio.us.
Delicious.NET- An RSS wrapper and del.icio.us api mod.
browse.delicious- Explore del.icio.us through a visual browser.
Network Badges- As a website component, display details about you del.icio.us network.
Cloudalicious- Graph the progression of any del.icio.us tag cloud.
Skinning del.icio.us- Apply skins to del.icio.us with these tips.
Graph del.icio.us subscriptions network- Browse del.icio.us users acording to their subscription lists.
Graph del.icio.us related tags- Browse similar del.icio.us tags graphically.
Tagrolls- Show your site's del.icio.us tags as a part of it.
Linkrolls- Like tagrolls, but for links.
del.icio.us pioneers- A display of the first bookmark-ers of the most popular links.
del.icio.us Illogical Interface- Filter your del.icio.us bookmarks with logical operators on tags.
Vox Delicii- A heat map-like visualization of the current week's popular content on del.icio.us.
del.icio.us Tag Clouds- Collect all of your del.icio.us bookmarks clustered into tag-clouds.
SlashLinks- Automatically mirrors del.icio.us links with a customizable design and layout.
DoubleUp- Let's your site's visitors browse your del.icio.us bookmarks unconventionally.
Expialidocio.us - uses the OpenLaszlo platform and the del.icio.us API to display posting histograms and time-specific tag clouds.
Delimages- A view of various images from del.icio.us.
Delicious Soup- A tool which reveals some of your del.icio.us activities.
Revealicious- A set of visualizations for your del.icio.us account allowing you to browse, search and select tags, and viewing posts matching them.
Delancey- An alternate view of del.icio.us bookmarks tracking the most frequently used ones.
Extisp.icio.us Images- A random Yahoo image search result for a user's set of tags.
Revealicious- A great way to graphically browse your del.icio.us account.
del.icio.us tag clouds- Create tag clouds from your del.icio.us bookmarks.
Delicious Soup- Visually reveals your del.icio.us activities using flash.
Vox Delicii- Another flash tool for visualizing the most popular del.icio.us bookmarks.
del.icio.us Popular Treemap- View del.icio.us popular bookmarks in a treemap.
Cloudalicious- Watch a bookmark's tag clouds over a period of time.
del.icio.us Mind Map Maker- Create a clustered mind-map from your del.ico.us bookmarks.
LiveMarks - Watch del.icio.us activity, live.
HubLog: Graph del.icio.us subscriptions network- Visualize networks of del.icio.us users using their inbox subscription lists.
del.icio.us popular sites- Displays the most popular new sites in last 24 / 48 hours and of all time with another alternative to del.icio.us' native UI.
Scripts and Development
Google Reader + del.icio.us- Add Google Reader bookmarks to del.icio.us with this script.
Backing up del.icio.us to Gmail- A tutorial based on a script from Bill Mill.
del.icio.us backup- Dumps all your del.icio.us bookmarks into a sqlite database via a Ruby script.
Scripted Re-Mark- Edits all your bookmarks at once, making it easy to batch re-tag bookmarks.
del.icio.us + Gmail- A useful script for using del.icio.us from gmail. It runs once a day, crawls each link and sends an email to a gmail account with the from field being the page url, the subject being the tags, and the body being a copy of the page.
Rubilicious- Ruby bindings for del.icio.us.
delicious.py- Allows you to access del.icio.us via a Python API.
Services Delicious- Select, add and delete your del.icio.us bookmarks from any PHP script, without worrying about XML.
del.icio.us import script- Import your netscape bookmarks to del.icio.us.
Bookmark this- Add a del.icio.us bookmark this link to every one of your posts.
Autoblogger- Reads recent del.icio.us bookmarks with a specific tag and creates a link to them with the page title, as well as a random excerpt of the text.
introsp.icio.us- Analyzes your del.icio.us bookmarks to display your interests, made in Ruby.
Related del.icio.us Links in Your Sidebar- Relate del.icio.us links in your sidebar using PHP, RSS and Magpie.
ar.icio.us-A PHP script which allows for several sorting methods in your del.icio.us RSS.
Greasemonkey del.icio.us Director- A greasemonkey script which auto-loads whenever you visit your del.icio.us page.
Linkback Greasemonkey Script- Displays a â€œcâ€ bookmarklet within your browser which, when clicked, which displays what the del.icio.us community is saying about what you're seeing.
del.icio.us API- The del.icio.us Application Programming Interface allows developers to create their own del.icio.us tools, ike many you see on this list.
Ridiculous- A wrapper for writing del.icio.us apps in Ruby.
delicious-java- A Java API for del.icio.us.
Desktop, Mobile, and CMS Plugins/Applications
cloud.lic.io.us- An OS X dashboard widget which shows a tag-cloud reflecting your bookmarks.
Delicer- A Windows client which allows you to quickly manage your del.icio.us bookmarks and tags as you would emails.
DeliciousTray- An application which sits in the Windows system tray and gives quick access to all links and tags posted to your del.icio.us account.
Technorati and del.icio.us Tags for Blogger- An easy way to add del.icio.us and technorati tags to posts using the blogger CMS.
Bunnyhug Updater del.icio.us- Download all of your del.icio.us bookmarks and save them on your local machine using a Windows client.
mobilicio.us- Access your del.icio.us bookmarks on your mobile phone or other devices.
WordPre.cio.us- Imports del.icio.us into your WordPress blogroll.
del.icio.us cached++- Uses Wordpress' built-in MagpieRSS to fetch and cache your del.icio.us bookmarks.
Wordpress Delicious Plugins- The Wordpress codex directory of del.icio.us plugins.
tagSense.net- A windows client for del.icio.us, add bookmarks, add tags, hotkey accessibility, etc.
dashLicious- A Dashboard widget for posting to del.icio.us. Optimized for Safari and NetNewsWire users.
delimport- Index your del.icio.us bookmarks using Mac OS X's Safari.
Delicious Trackbacks- A wordpress plugin for counting the amount of times your posts have been bookmarked on del.icio.us.
Audiolicious- A del.icio.us Windows program which lets you turn any RSS feed into a podcast. It uses text-to-speech to convert the feed's pages into .mp3s.
Use del.icio.us for categories in blogger- Integrate del.icio.us into categories using the blogger CMS.
mog.rif.icio.us - is WordPress plugin that displays del.icio.us bookmarks for one user in the sidebar. Organizes by tag, in a dynamic menu and checks once a day for new bookmarks.
Bookmark this! WordPress Plugin- Adds a del.icio.us â€œBookmark this!â€ link to either your posts or your sidebar in Wordpress.
del.icio.us Facebook app- Facebook app showing your recent del.icio.us bookmarks in your profile.
Dead.licious- A mac app which scans your del.icio.us library for dead links.
Delibar- Yet another OS X del.icio.us app, similar to Pukka, but open source.
BookmarksToDelicious- A python client for posting to del.icio.us.
Gnomolicious- A GNOME applet for drag and drop posting to del.icio.us.
Deliwin- Now, for a Windows program. Delibar stores all your bookmarks in the system bar for easy access.
Cocoalicious- An open source del.icio.us client for Mac OS X.
Pukka- Another OS X del.ico.us app. Pukka is shareware and is $12.95 to register.
tag cloud v1.0.1- A Wordpress plugin which makes a tag-cloud from the most used del.icio.us tags.
del.icio.us Smart Tagging Plugin for WordPress- Add del.icio.us smart tagging to your blog or website.
DiggLicious- A digg/del.icio.us mashup.
Find Similar Sites- An easyutil/del.icio.us mashup finding relevant websites based on their tags and theusers that bookmarked them.
Diggdot.us- A Digg, slashdot, and del.icio.us mashup.
Geotag del.icio.us bookmarks- View geotagged bookmarks in Google Earth.
del.icio.us 3D- del.icio.us geotag map mashup with FreeEarth.
graph.icio.us- Use Freemind and del.icio.us in an integrated mind map.
del.icio.us Blog- The official blog of the service we all know and love.
deli.ckoma - provides statistical data gained from del.icio.us like posts per day, number of tags per post etc.
del.icio.us Url- Search for a urls history on del.icio.us.
delicious post checker- Verify and delete bookmarks in del.icio.us.
From del.icio.us to WordPress - A guide describing how to automatically bookmark links on del.icio.us.
del.icio.us Categorizer- Orders your del.icio.us bookmarks hierarchically.
Furl to Delicious - Import your Furl bookmarks to Delicious.
Fresh del.icio.us- An application which checks for broken urls in your del.icio.us bookmarks.
extispicious - Randomly generates meaningful and spiritually juxtaposed tags using the wonders of del.icio.us.
taga.licio.us- A del.icio.us tag filter of sorts.
Private del.icio.us bookmarklet- A way to make private bookmark links using del.icio.us. Based on Semi-private bookmarking in del.icio.us.
delicious-discuss- A mailing list about del.icio.us.
Automatic filing with del.icio.us- File your current webpage into the read later category efficiently.
Wetaste- WYISWYG digest for del.icio.us.
sid.vicio.us- Generates analogies for del.icio.us tags.
Backing up del.icio.us- Back up your del.icio.us bookmarks just in case anything happens to them.
del.icio.us tag search- Find bookmarks with several different tags.
Startplane- A directory based upon del.icio.us bookmarks and tags.
TXP.icio.us- Easily integrate your del.icio.us tags into your website or blog.
del.icio.us filtered- Seeing a link once should be enough. A personalized del.icio.us feed.
Make your own Multipost Bookmarket Tool- A social bookmarking bookmarklet tool which allows you to post multiple times to sites like furl, digg, and of course, del.icio.us
foaflicious - Generate a FOAF file fom your del.icio.us bookmarks.
CollaborativeRank Search- Tagging has a great influence on this del.icio.us search engine's rankings.
Durl- Find out about those who bookmarked a specific url with del.icio.us.
Delicious Plugin- Fetches and displays your del.icio.us feed on your blog.
Post to del.icio.us from FeedDemon- Adds a del.icio.us bookmark link directly to Feedemon.
gre.gario.us- Find people with the same or similar del.icio.us bookmarks to you.
MySQLicious- Copy and mirror your del.icio.us bookmarks in MySql.
Gataga- Search for bookmarks across several social bookmarking networks like del.icio.us.
Extended del.icio.us bookmarklets- Extend the functionality of del.icio.us with custom bookmarklets.
Oishii - Polls the del.icio.us front page every 5 minutes, and returns all sites bookmarked by at least 30 people, a zeitgeist of sorts.
7 Ways to Get to the Top of the del.icio.us Popular Page- A great list put together by ProBlogger, one of the premiere blogging tips sites on the net.
Social Bookmarking in Plain English- A well done Youtube video explaining just what social bookmarking is, just in case you haven't realized already.
del.icio.us Tag Stemmer - Looks for your del.icio.us tags with the same English language stem.
Yummy Tag Buffet- Browse various tags in del.icio.us.
Backup del.icio.us with Excel- Backup your bookmarks in an excel spreadsheet.
Sorting del.icio.us/popular - a bookmarklet that will sort del.icio.us/popular not just by total number of posts, but by the ratio of recent to total posts. Sorts del.icio.us popular according to it's ratio to total posts.
del.icio.us network explorer- Explore your friends' bookmarks and relations with a Java applet.
Feedburner Feedflare- Reflects the number of saves and top tags for items in our Feedburner feed. (via)