awesome-code-review

Early paper that tested a range of then-current review techniques including multi-stage review and code-review-via-meeting that found you can get most of the benefit in an offline, single pass, with two reviewers

One day in the far future the best way to review code will be on the world wide web

This paper reports the findings of a large scale qualitative and quantitative study focusing on understanding which code review comments are considered useful by developers

A large scale study of over 900 Microsoft developers to understand their code review processes, their motivations to do code reviews, and which pitfalls and best practices they encounter

Using a more formal process, particularly with defined roles for each participant and drive a big increase in error detection during review

( ) Research into automatically splitting big diffs into smaller diffs leading to better reviews

A study that shows how code reviews work at Google

( ) Field study of how GitHub pull requests are used in the wild

A few basic rules for a better code review process

Decent set of patterns and anti-patterns for code reviews

Practical tips for the submitter and the reviewer to make effective code reviews

Twitter thread on the pros and cons of GitHub's open source first model with regards to "in-company" code review practice

Guidelines to help ensure a collaborative and learning culture

Code review tips and best practices from tech leaders

A few tips helping with positive engagement on code review

Some guidelines for giving and getting code reviews

Seminal post advocating for peer review of software back in 2006

Details on how code review best practices and processes work at Google

Why management should ensure code review is done and done well

Writing good comments during code reviews

Principles for actively designing a code review process

Another 2006 classic on how to effectively perform a code review

Helpful framwork for reviewers to classify how actionable specific pieces of review feedback are

A in-depth analysis on how the code review process looks like at Microsoft

More personal advice on how to best review a pull request from an engineer at Tumblr

A thorough description of how Google engineers do code reviews, from the Google's Engineering Practices documentation

Techniques that treat the code review as not only a technical process but a social one as well

Arguably belongs in academic paper, but it's a website giving an overview of evidence on code review by facet/context. Links off to a bunch of papers

Short article about tooling and personal elements of code review, from an ex-Facebook engineer

Advice for both sides of the code review process, the reviewer and the reviewee

Why it's better to review small changes rather than large ones

A step-by-step process to split big PRs and increase review engagement

Emoji rich guide to the human side of code review via pull requests

Tactical questions and actions to push code review discussions into a more productive territory

A how-to guide for pull requests via how-not-too

Why code quality is about more than just the code

Older compilation of 10 essays on the practice of code reviews. Some repetition due to different authors covering the same territory

Older book covering more formal walkthroughs but covers politics and group dynamics in review well

A practical guide to formal code inspections as a code review practice

Compendium of papers on code review practice

Codacy sponsored ebook of code review practices based on developer survey

JetBrains sponsored ebook of how to spot coding anti-patterns during review

How to do effective code review while remaining kind to the original author

Finding just the right amount of code review by focussing on what is affecting

How to instill a healthy code review culture in a team

Michaela Greiler discusses the importance of code reviews and how to conduct them on the Software Engineering Radio podcast

Github/GitLab Slack integration. Create one ephemeral channel per pull request/ merge request

Atlassian's on-premise code review tool

Open source git code review tool originating out of Google

Git hosting and pioneer of the "Pull Request"

Code review pull requests in a full IDE within your browser

Automated Git code review for GitHub and Bitbucket pull requests for finding security vulnerabilities and code quality issues

Open source git/mercurial/svn code review tool originating out of Facebook

Improve pull request visibility and overall productivity for dev teams using Github and Slack

Code review as a service for GitHub pull requests

Code review tool built on top of GitHub pull requests

Open source review tool that is SCM/platform neutral

Automated code review service for GitHub

Automated code change visualization (and dependency analytics) for pull requests, merge requests (GitLab) and patch sets (Gerrit)

Detect code smells, bugs and vulnerabilities in Azure DevOps, Bitbucket and GitHub repositories

JetBrain's on-premise git/mercurial/perforce/svn code review tool

Code review service with pull request visualization and enhanced navigation between changes