Nessus Alternatives

Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.

Burp Suite is an integrated platform for performing security testing of web applications.

AlienVault USM Anywhere delivers powerful threat detection, incident response, and compliance management for cloud, on-premises, and hybrid environments.

The Open Vulnerability Assessment System (OpenVAS) is a framework of several services and tools...

Audit your website security and web applications for SQL injection, Cross site scripting and other...

Intruder is a security monitoring platform for internet-facing systems.

Netsparker is a tool for scanning web sites for security vulnerabilities.

Boxcryptor encrypts your sensitive files before uploading them to cloud storage services like Dropbox, Google Drive, Microsoft OneDrive, Box, and many others.

freemium

Acunetix Vulnerability Scanner is a platform that offers a web vulnerability scanner and provides security testing to users for their web applications.

Shodan is the world's first search engine for Internet-connected devices.

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Easy and secure encryption for the cloud. Provides security for all cloud storage services like Dropbox, OneDrive and Google Drive.

Wuala is the secure cloud storage from Switzerland: all files are encrypted on your computer; your password never leaves your computer.