What are some alternatives?
Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
codebeat - Automated code review for Swift
Refactor.io - Share your code instantly for refactoring and code review
Git Butler - Pull Request and Issue Workflow Automation
CodeFactor.io - Automated Code Review for GitHub & BitBucket
Node-RED - Node-RED is a programming tool for wiring together hardware devices, APIs and online services in new and interesting ways.