Criminal Justice Links
Developed by Florida State University, this site is widely considered to be the best directory of criminal justice links, arranged by topics such as crime prevention, juvenile delinquency, prisons, the death penalty, pornography, and due process. It includes links to federal criminal justice agencies.

Criminal Justice Resources 
This site provides an extensive list of criminal justice topics put together by Michigan State University. Topics include cybercrime, crime mapping, and organized crime among others.

United Nations Crime and Justice Information Network (UNCJIN)
Part of the larger UN site of the Office on Drugs & Crime, all of the links are contained in an 84 page pdf document, which is best navigated using the "Bookmark" feature. Topics include UN Institutes relating to crime prevention, terrorism prevention, and the Global Program against Transnational Organized Crime.

First Gov
This site provides a long list of government topics ranging from benefits and grants to jobs and education.

Lawcrawler
This site can be utilized to find information about case law and legal practices or subjects.

Sociocite
A sociological information site that has links for criminology and criminal justice. Click on "Subject Area" when you enter the site for a listing of the topics you can access.