Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
CodeStream - CodeStream helps development teams resolve issues faster, and improve code quality by streamlining code reviews inside your IDE
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Refactor.io - Share your code instantly for refactoring and code review
Better Uptime - We call you when your website goes down
Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.