WhiteSource Renovate - Automate your dependency updates
Quick License Manager - Quick License Manager (QLM) is a license protection framework that creates professional and secure license keys to protect software against piracy.
Dependabot - Automated dependency updates for your Ruby, Python, JavaScript, PHP, .NET, Go, Elixir, Rust, Java and Elm.
Banditore - Banditore retrieves new releases from your GitHub starred repositories and put them in a RSS feed, just for you.
LicenseSpring - Reliable and easy to use License-As-A-Service (LaaS) for for any software application
Violinist.io - Automatically update your composer (php) dependencies