Nexpose Community
A lot of organizations offer free or community editions of their software. These editions are usually a lighter version of the paid copy with limited features. Once such community vulnerability management software is Nexpose by Rapid7. There are several versions of Nexpose but the community version is an excellent place to start learning because it's free. If you search in a browser for “Nexpose Community,” one of the first options should be the community software directly from Rapid7. You could download from other third parties but I find it safer to download and verify software directly from the vendor whenever possible.
After you complete the form to receive your community license, you will end up on a page to download either the Windows or Linux version with its MD5 sum hash. The hash will verify that your download is not corrupt. Once the download is finished, run the installer. You will notice the community version of Nexpose will only work on...