Searchable collection of bibliographies, including 1 million citations and 100,000 links to on-line documents - submit new bibliographies. Browse by subject.

Secondary reference database of reviews in computing literature from the ACM. Limited information to non-subscribers.

Indexes 200,000 citations from conferences and journals - submit tables of contents.

Indexes on-line articles from institutions archives - 300,000 in maths, computer science and physics - full-text search.

Indexes on-line technical reports from 150 institutions archives - open to institutions, or submit individual articles with the CoRR open repository.

Indexes 50,000 on-line tech reports from institutions archives - full-text search.

Springer books and journals in computing for scientists and students in computer science, as well as for computer professionals and experts.

The ACM Guide and Digital Library with a set of internal and external reference and citation links giving access to current research.