Genamics JournalSeek provides information about journal abbreviations across a wide range of disciplines. It is the largest completely categorized database of freely available journal information available on the internet. Journal information includes the description (aims and scope), journal abbreviation, journal homepage link, subject category, and ISSN.

Journal Abbreviation Sources is a registry of Web resources that list or provide access to the full title of journal abbreviations or other types of abbreviated publication titles (e.g., conference proceedings titles). Covers a variety of subject areas in the sciences and humanities.

The ISSN List of Title Word Abbreviations is a list that contains all the standardized abbreviations used for words in scientific citations. It is based on ISO 4 (ISO 4 is an international standard which defines a uniform system for the abbreviation of serial titles, i.e., titles of publications such as scientific journals). LTWA includes more than 56,000 words and their abbreviations in 65 languages. This resource does not list the abbreviated titles of journals, but lists standard word abbreviations that can help you construct or interpret an abbreviated journal title.

This list provides Web of Science journal abbreviations. These are generally based on ISO standards, but the Web of Science Core Collection abbreviation may be modified to fit a standard 20-character unique cited title to aid in citation data collection and production of Journal Citation Reports data. However, if you need a list of journals abbreviations connected to Web of Science, this may be a useful resource.

Hosted at the University of British Columbia, this searchable database, maintained by Kevin Linstrom, provides abbreviations for journals in Science and Engineering related fields.

Provided by the American Chemical Society, CASSI is a free tool to quickly identify journal titles and abbreviations for publications indexed since 1907, including serial and non-serial scientific and technical publications.

This catalog gives you full information on all their indexed journals, including the abbreviation.