This document offers an annotated list of general portals related to evaluation.
American Evaluation Association
The AEA is the premier international association of evaluators and is devoted to the application and exploration of program and other forms of evaluation. It includes the AEA eLibrary of presentations made at its annual conventions; Guiding Principles for Evaluators which describes the professional practice of evaluators and what clients and the public can expect from the evaluators with whom they work; searchable links to local evaluators; and many links to other web-based resources on evaluation and on-line evaluation handbooks and textbooks. The Association also supports EVALTALK, a very active public listserv discussion board. http://www.eval.org 
Balzer, Lars. Evaluation Portal.
This site was developed and is maintained by Lars Balzer, Head of the Evaluation Unit at the Swiss Federal Institute for Vocational Education and Training. It provides links to categorized information about evaluation and, to a lesser extent, social science methods. It contains links to evaluation journals, books, tools (e.g., online surveys, statistical software), checklists, handbooks, approaches, resources sorted by topic, societies, and glossaries. http://www.evaluation.lars-balzer.name/links/ 
Centers for Disease Control and Prevention, Office of the Associate Director for Program Evaluation. Evaluation Resources.
CDC produces many evaluation resources and guides but this website provides links to a very wide range of resources from government, nonprofit and academic sources. The resources are organized around: general step-by-step evaluation manuals, manuals related to logic models and data collection methods and sources, those pertaining to specific types of programs or interventions, websites offering comprehensive evaluation resources and assistance, key professional association and key journals. http://www.cdc.gov/eval/resources/index.htm 
Fetterman, David. Evaluation Guides.
This is part of David Fetterman’s webpage. Links are provided to evaluation guides and resources organized under numerous headings: appreciative inquiry, basics of evaluation, collaborative and participatory evaluation, development, empowerment evaluation, mixed-methods, outcomes, planning, qualitative methods, questionnaire design, sampling and surveying, statistics and quantitative methods, technology, toolkits, and value of evaluation. http://www.davidfetterman.com/guides.htm 
Shackman, Gene. Free Resources for Program Evaluation and Social Research Methods.
Developed by Gene Shackman and hosted by The International Consortium for the Advancement of Academic Publication, this page lists free resources for program evaluation and social research methods. The focus is on “how-to” do evaluation research and the methods used: surveys, focus groups, sampling, interviews, and other methods. Links also are provided to sites related to statistical tools, analysis, and software. Most of the links are to resources available free via the Internet. Those not accessible online also are free. http://gsociology.icaap.org/methods/ 
Developed under the Substance Abuse and Mental Health Services Administration’s (SAMHSA) Center for the Application of Prevention Technologies contract. Reference #HHSS277200800004C. For training and/or technical assistance purposes only.