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.
Log Harvestor - Simple, modern & fast log management platform
Code Climate for Java - Code quality and test coverage for Java
Cacher - The code snippet organizer for professional developers.