ABI/INFORM by ProQuest

Cabell Directory

Cambridge Scientific Abstracts (CSA)

Computer Science Bibliography (DBLP)

Computer Literature Index (CLI)

Current Contents/Social and Behavioral Sciences (CC/S&BS)

Directory of Open Access Journals (DOAJ)

Intute: Science, Engineering & Technology

J-Gate: Informatics

Social Sciences Citation Index (SSCI)  2019 Impact Factor: 1.875

The International Bibliography of the Social Sciences (IBSS)

The Index of Information Systems Journals

Ulrich Periodical Directory