Shortmarks Alternatives
Shortmarks is described as 'is like an enhanced speed dial for web browsing. It lets you visit and search your favorite web sites by only typing a letter or two. You can skip the front page of any search engine and go straight to the results' and is a web search engine in the online services category. There are three alternatives to Shortmarks, not only websites but also apps for Windows, Firefox, Linux and Mac. The best alternative is Ubiquity, which is both free and Open Source. Other great sites and apps similar to Shortmarks are YubNub and Shortwave.
A Mozilla Firefox extension, Ubiquity is a collection of quick and easy natural-language-derived commands that act as mashups of web services. Allowing users to get information and relate the same to current and other webpages.
Discontinued
Doesn't exist anymore on "official" link. Last update reported on Wikipedia from 2012.
YubNub is a networking web service with a command line–style interface. It allows users to create and use commands which are mapped to webpages and web services.FeaturesCommands can be created for most websites and services.
Shortwave is an extensible quick-search and shortcut bookmark.