Alternatives

Products that do what GitHub "Lines Viewed" extension to keep you sane reviewing long AI PRs does

I was frustrated with how bad a signal of progress through a big PR "Files viewed" was, so I made a "Lines viewed" indicator to complement it. Designed to look like a stock Github UI element - even respects light/dark theme. Runs fully locally, no API calls. Splits insertions and deletions by default, but you can also merge them into a single "lines" figure in the settings.

1. 1
   GitHub Repo Visibility Analyzer▲141

   Make devs notice your repo

   Nov 2025

2. 2IM
   I made a heatmap diff viewer for code reviews▲265

   0github.com is a pull request viewer that color-codes every diff line/token by how much human attention it probably needs. Unlike PR-review bots, we try to flag not just by "is it a bug?" but by "is it worth a second look?" (examples: hard-coded secret, weird crypto mode, gnarly logic, ugly code). To try it, replace github.com with 0github.com in any pull-request URL. Under the hood, we split the PR into individual files, and for each file, we ask an LLM to annotate each line with a data structure that we parse into a colored heatmap. Examples:…

   Oct 2025 · 0github.com

3. 3
   Devsync▲328

   Visually edit CSS. Live-sync the result with your editor.

   2020

4. 4
   Githunt 2.0▲176

   Explore the top projects on GitHub 🏆

   2018

5. 5
   github-plus▲156

   Chrome Extension to display file size, download & copy link

   2016

6. 6
   Git Flex▲85

   See the top contributor + % lines per author

   2025

7. 7
   Tour My Pull Request▲81

   Walkthrough your pull request code on GitHub like a pro

   2020

8. 8
   Hacker Tab▲123

   Replace Browser new tab with GitHub trending projects. ✨

   2019

9. 9
   Refined GitHub Notifications▲69

   UI improvements for the new GitHub Notifications page

   2019

10. 10
    Githunt▲138

    Replace the new tab with trending Github projects

    2016

11. 11
    Collaborate by Visual Inspector▲134

    Free website feedback collaboration and design bug fixing

    2017

12. 12
    Glimpse▲117

    Preview your GitHub pull requests via Laravel Forge

    2024

13. 13
    Git Draw▲90

    Allows you to draw in your github heatmap

    2016

14. 14
    Gitslash▲96

    Autopopulate your Github activity chart

    2023

15. 15CE
    Chrome Extension to find a line number on GitHub files/diffs▲13

    2016 · github.com

16. 16
    Twitter for Github▲85

    Chrome extension to display handles on Github

    2016

17. 17
    Git Streaks▲93

    a Mac menu bar app shows your GitHub green squares.

    2020

18. 18
    Insights by xs:code▲84

    Intuitive analytics for open source repositories

    2020

19. 19
    ArachStudio ▲80

    Live-edit your GitHub components directly in the browser

    Jul 2026 · arachstudio01.vercel.app

20. 20CE
    Chrome extension that shows GitHub pull requests for commit▲13

    2016 · github.com

21. 21
    Screenful Metrics for GitHub▲75

    Analytics for GitHub Issues

    2017

22. 22
    PRNotch▲74

    GitHub pull requests in your Mac's notch

    Jul 2026 · prnotch.pages.dev

23. 23
    Trailer▲76

    Accelerate your GitHub workflow

    2018

24. 24WM
    We made a chrome extension that adds 10x features to GitHub code review▲5

    Big tech companies have internal tools that they use to make code review easier. Planar (YC W23) is a free chrome extension that adds these features to GitHub. Features include: - A new review page UX that uses AI to group together related changes in a large PR - An inbox that shows you which PRs need your review across all your repos - A layout that puts comments side by side with code With more features coming soon … - Ability to easily view and navigate stacked PRs - Macros / GIF responses - A visual dependency graph that shows you how all the files and components in your PR are…

    2023 · useplanar.com

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