Cyberduck is an open source client for FTP and SFTP, WebDAV, and cloud storage.

Turnkey Linux Virtual Appliance Library is a free open source project which has developed a range of Debian based pre-packaged server software.

EmailOctopus is an email marketing software.

Camelcamelcamel is a website that tracks prices of products sold on Amazon.com.

Jungle Scout is an Amazon product finder and research tool.