Shodan - Shodan is the world's first search engine for Internet-connected devices.
Verimatrix App Security - Verimatrix App Security offers 24/7 protection for Android and iOS applications.
Vega - Subgraph Vega | Free and Open Source Web Application Vulnerability and Security Scanner
Codified Security - Codified Security is a testing platform for mobile application software.
w3af - w3af is a Web Application Attack and Audit Framework
Sentry Mobile Application Monitoring - Sentry Mobile Application Monitoring detects errors and measures performance in a single place to provide you with a 360-degree view of the mobile app.