DeepSource - Automated code reviews with static analysis.
Log Owl - Open-source, privacy-focused error tracking and analytics
Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
Olvy - Announce new features with beautiful and effective in-app widgets and standalone pages with our powerful release note tool, and see your release feedback turn into insights.
Code Climate for Java - Code quality and test coverage for Java
Hawk - Hawk provides visual user tracking and error reporting with live screen view, deep filtering and robust access control.