rockorager

rockorager / comview

Public

the best diff viewer ever made

95
10
89% credibility
Found May 19, 2026 at 180 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Go
AI Summary

comview is a terminal-based code review tool that displays diffs beautifully without needing a web browser. It reads standard git diff output, renders it with syntax highlighting and multiple color themes, and lets you navigate using familiar keyboard shortcuts. You can add comments to specific lines of code, search through changes, and even enable a watch mode that auto-refreshes as your files change. The tool works seamlessly with git commands and GitHub pull requests, making it a fast, keyboard-driven alternative for developers who prefer staying in the terminal.

How It Works

1
🔍 Discover a better way to review code

You're tired of reviewing code changes in a web browser and hear about a terminal-based diff viewer that shows changes beautifully.

2
📦 Install the diff viewer

You download and install comview on your computer, ready to transform how you review code.

3
🎨 See your changes come alive

You run your git changes through comview and watch as your diff appears with colorful syntax highlighting and clear line numbers.

4
⌨️ Navigate like a pro

Using simple keyboard shortcuts, you zip through files and changes—jumping between commits, searching for specific code, and switching between views.

5
Choose your review style
💬
Add inline comments

You press a key on any line to add your thoughts, and your review notes are saved automatically.

🔄
Watch mode for active work

You enable auto-refresh and comview watches your changes, updating the view whenever your diff changes.

✅ Review complete

You've reviewed your code changes efficiently, left your feedback, and saved everything—all without leaving your terminal.

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Star Growth

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AI-Generated Review

What is comview?

Comview is a terminal-based diff viewer written in Go that transforms how you review code. Pipe any unified diff into it and get a beautiful, syntax-highlighted view with vim-style navigation. It handles git diffs, git show output, GitHub PR diffs, and includes a watch mode that automatically refreshes when your diff changes. You can navigate hunks, search within changes, toggle side-by-side views, and even add review comments that save to a JSON file. The interface uses familiar vim keybindings, making it immediately comfortable for anyone who lives in the terminal.

Why is it gaining traction?

The terminal is where many developers spend their entire day, yet reviewing diffs often means opening a browser. Comview closes that gap with a polished TUI that respects your workflow rather than interrupting it. The inline diff highlighting intelligently pairs changed lines and highlights exactly which characters shifted, not just the whole line. Multiple color themes and configurable keybindings mean it adapts to your preferences rather than forcing a specific look. The watch mode is particularly clever, polling for changes and using hashing to only refresh when content actually differs.

Who should use this?

Terminal-native developers who review code daily will find the most value here. If you spend time SSH'd into servers, working in constrained environments, or simply prefer keeping your hands on the keyboard, comview fits naturally. Backend engineers reviewing PRs from the command line, DevOps teams examining config changes, and anyone who厌恶 switching contexts to a browser will appreciate having code review built into their terminal workflow.

Verdict

Comview is a genuinely useful tool with a clear vision and solid implementation, but the 0.9% credibility score reflects its early stage: only 95 stars and limited production usage. The Go codebase is well-tested and the project shows careful design, but adoption will determine whether it matures into a reliable standard. Worth installing to evaluate, but monitor its development before betting critical workflows on it.

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