CoRR - Computing Research Repository
- A preprint repository open to all researchers. Indexed in the Networked Computer Science Technical Reference Library - 900 papers.
- http://arxiv.org/corr

COGPRINTS - Cognitive Sciences Eprint Archive
- Preprint archive open to all researchers - 500 documents in computer sciences.
- http://cogprints.org/

UCSTRI - Unified Computer Science TR Index
- Indexes 14,000 technical reports from institutions archives - accepts archive submissions.
- http://www.cs.indiana.edu/ucstri/info.html

Technical Report Archives in Computer Science (By Institution)
- List of 150 tech reports archives by institutions (1995).
- http://fas.sfu.ca/projects/EPiCS/CS-TechReports/

On-line CS Techreports
- List of 400 tech reports archives by institutions and countries (1996).
- http://www.cs.cmu.edu/~jblythe/cs-reports.html

INRIA reports
- 1800 reports from the French Institute of Computer Science, in english (plus PhD thesis in French).
- http://www.inria.fr/rrrt/index.en.html