"ACM, the world's largest educational and scientific computing society, delivers resources that advance computing as a science and a profession. ACM provides the computing field's premier Digital Library and serves its members and the computing profession with leading-edge publications, conferences, and career resources."
CRA, founded in 1972, works with fellow computing research organizations to "represent the computing research community and to effect change that benefits both computing research and society at large."
Started in 1952, the SIAM works to promote research and advance the application of "mathematical and computational methods and techniques for science, engineering, industry, and society."
The IEEE Computer Society and its members have "fueled the computer science and technology community, developing leading professionals, driving the rapid evolution of technologies, and encouraging community-based initiatives."
This site serves "as a working research lab, educational center, library, and repository for software, tools, and articles related to experimental research on algorithms."
Online dictionary of "algorithms, algorithmic techniques, data structures, archetypal problems, and related definitions." The site is hosted by the Software and Systems Division and Information Technology Laboratory of the National Institute of Standards and Technology.
Maintained by the University of Tennessee Computer Science Dept., this resource is a "starting point for finding information about computer system performance benchmarks, benchmark results, and benchmark code."