Ostorlab - Ostorlab scans your web or mobile application and provides results showing threats and privacy issues.
ShareFile - Secure file sharing and sync
Traced for Android - Traced is a free cybersecurity app for Android. It detects suspicious activity from apps and unsecured Wi-Fi connections that might be used to spy on you or invade your privacy.
Google Drive - Access and sync your files anywhere
App-Ray - App-Ray provides a cutting-edge solution for you to conduct a system-wide analysis and detect vulnerabilities in your mobile applications.
Dropbox - Online Sync and File Sharing