Violinist.io - Automatically update your composer (php) dependencies
codebeat - Automated code review for Swift
WhiteSource Renovate - Automate your dependency updates
Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
Dependabot - Automated dependency updates for your Ruby, Python, JavaScript, PHP, .NET, Go, Elixir, Rust, Java and Elm.
Tachikoma.io - Analyzes dependencies of the project and sends a pull-request.