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SoftaCheck Static Analysis & Doxygen - GitHub Integration

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beanstalkapp.com — A complete workflow to write, review and deploy code), free account for 1 user and 1 repository with 100 MB of storage

Browserling – Online cross-browser testing

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Codacy | The fastest static analysis tool from setup to first analysis

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Automated code review for mobile and web

Codebeat gathers the results of code analysis into a single real time report that gives all project stakeholders the information required to improve code quality

Home | Code Climate

Velocity synthesizes the data from your repos to give you full visibility and empowers your team for continuous delivery

Codecov - The Leading Code Coverage Solution

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Software Quality Visualization - Tech Debt｜CodeScene

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Coveralls.io - Test Coverage History and Statistics

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DeepCode: Semantic static code analysis for better software - powered by AI

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DeepSource: Fast and reliable static analysis platform

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EverSQL | Your Database, Just Faster

Predict database performance bottlenecks and optimize sql queries using ai

gerrithub.io — Gerrit code review for GitHub repositories for free

Gerrit code review

GoCover.io

Go cover as a service

Go Report Card | Go project code quality report cards

GTmetrix | Website Performance Testing and Monitoring

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DB OPTIMIZATION SERVICE - Holistic.dev

Meet the most effective way to identify performance security and architecture issues while at the same time optimizing your database structure and sql queries automatically and continuously

GitHub Code Review Tool for JS, Ruby, Swift, and more - Hound

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Imgbot - GitHub Marketplace

A git hub app that optimizes your images

Kritika — Static Code Analysis for Perl with integration for GitHub. Free for unlimited public repositories.

reSmush.it > the 7 Billion (and still free) Image optimization API

insight.sensiolabs.com — Code Quality for PHP/Symfony projects, free for Open Source

LGTM - Code Analysis Platform to Find and Prevent Vulnerabilities

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Reviewable - GitHub Code Reviews Done Right

AST PARSERS AND COMPILERS

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Coverity Scan - Static Analysis

Your platform for software quality management

Shields.io: Quality metadata badges for open source projects

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Sider - Automated Code Review for GitHub/GitLab

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Automatic Code Review, Testing, Inspection & Auditing | SonarCloud

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SourceLevel

Pull request metrics and automated code review source level

Typo CI — Typo CI reviews your Pull Requests and commits for spelling mistakes, free for Open Source.

Viezly - the easiest way to review the code

Enhanced interface for code changes