TrapFi - Get paid per pull request
codebeat - Automated code review for Swift
Cherry Pie - Chrome extension to craft the perfect pull request
CodeStream - CodeStream helps development teams resolve issues faster, and improve code quality by streamlining code reviews inside your IDE
Govly - We make selling to the government easy.
Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.