Cloudflare Radar
Cloudflare Radar publishes aggregated data from its own Cloudflare’s network, which handles a large share of global web traffic and
OSINT
Open Source Intelligence (OSINT) online tools, with at least a freemium mode, that focus more specifically on OSINT than the tools listed in the Resources or Search categories. They help to verify sources, check publications and companies, and explore hidden or hard to reach parts of the web.
Verification is the focus, with reverse image search, media bias and fact checking tools, and journal ranking and retraction databases. Darknet and Tor search engines, IoT and internet device search engines, email leak checkers and anonymity testers help to explore hidden or exposed information. Company registries, flight and satellite tracking, regulatory action databases, privacy operating systems and OSINT resource directories complete the category.
FDA Warning Letters
The FDA Warning Letters database provides a public record of formal notifications issued to companies and individuals for significant violations
Transitland – GTFS database & map search
Transitland is an open-source data platform that aggregates and harmonizes public transit information from thousands of global operators into a
Mobility Database – GTFS Feeds Repository
The Mobility Database is a centralized, open-access repository for global transit and shared mobility data, hosting over 6,000 feeds across
Wikipedia Perennial Sources List (WP:RSP)
The Wikipedia Perennial Sources page is a dynamic index that documents community consensus on the reliability of frequently cited news
Problematic Paper Screener (PPS)
The Problematic Paper Screener (PPS) tool runs automated “fingerprint-queries” against the Dimensions.ai academic search engine, hunting for textual or structural
PubPeer Post-publication Review Forum
PubPeer functions as a specialized platform for post-publication peer review, enabling the scientific community to engage in transparent technical discussions
RetractionWatch Database Search Engine
The Retraction Watch Database serves as a centralized clearinghouse for tracking retracted scholarly research, expressions of concern, and corrections across
Clarivate Journal Citation Reports (JCR rating)
Journal Citation Reports (JCR) is an analytical platform that provides bibliometric data for evaluating the world’s leading scholarly journals across
Scimago Journals Rank (SJR Check)
The SCImago Journal & Country Rank (SJR) is a bibliometric portal that provides scientific indicators for journals and countries derived