Shodan - Shodan is the world's first search engine for Internet-connected devices.
Looker - Looker makes it easy for analysts to create and curate custom data experiences—so everyone in the business can explore the data that matters to them, in the context that makes it truly meaningful.
Vega - Subgraph Vega | Free and Open Source Web Application Vulnerability and Security Scanner
Qlik - Qlik offers an Active Intelligence platform, delivering end-to-end, real-time data integration and analytics cloud solutions to close the gaps between data, insights, and action.
w3af - w3af is a Web Application Attack and Audit Framework
Tableau - Tableau can help anyone see and understand their data. Connect to almost any database, drag and drop to create visualizations, and share with a click.