| Ship / vessel / IMO / MMSI | bellingcat-transport | MarineTraffic, VesselFinder, Equasis, ShipFinder |
| Aircraft / flight / tail number | bellingcat-transport | FlightAware, Flightradar24, ADS-B Exchange, OpenSky |
| Person (name, email, phone, username) | bellingcat-people | Sherlock, Blackbird, Maigret, Have I Been Pwned |
| Photo / image | bellingcat-image-video | Google Lens, TinEye, InVID, PimEyes |
| Video | bellingcat-image-video | InVID, Azure AI Video Indexer |
| Domain / website / IP | bellingcat-websites | Wayback Machine, Shodan, urlscan.io, ICANN Lookup |
| Company / business / finance | bellingcat-companies-finance | OpenCorporates, EDGAR, ICIJ Offshore Leaks |
| Social media account | bellingcat-social-media | Platform-specific tools (see category skill) |
| Geographic location | bellingcat-geolocation | SunCalc, GeoHints, ShadowMap, Spot |
| Satellite imagery | bellingcat-maps-satellites | Copernicus Browser, NASA Worldview, Planet Labs |
| Map / street view | bellingcat-maps-satellites | Google Maps, Yandex Maps, Mapillary, KartaView |
| Conflict / weapons / munitions | bellingcat-conflict | ACLED, LiveUAMap, OSMP, Bulletpicker |
| Wildlife / environment / deforestation | bellingcat-environment-wildlife | Global Forest Watch, CITES, Wildlife Trade Portal |
| Archiving / preserving web content | bellingcat-archiving | Wayback Machine, Archive.today, Auto Archiver |
| Data analysis / visualization | bellingcat-data-analysis | 4CAT, Datawrapper, Gephi, Datasette |