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Diffswarm

GitHub-style review and workflow for any unified diff

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Pipe the output of a `diff` command to Diffswarm to get back a persistent URL that contains the diff with workflow, comments, search, etc. Basically some of the helpful features that Github offers on PR diffs, just available for any arbitrary diff.I wrote this tool to use at work for documenting snapshot diff triaging, and also used it to help with the same thing on a couple Ty PRs. Example: https://diffswarm.dev/d-01k2gknwyq82f6x17zqf3apjxc

HN · launched Jan 6, 2026 · 8 upvotes (top 58%) · 0 views

Niche: automated code review tools · 204 launches, 7 in the last 7 days ▼ -22% · Explore this niche →

Category and tags
  • Horizontal
  • Dev tools
  • Developer
  • Not AI
  • Hobby / open-source project

Visit website ↗ Source listing ↗

More like this: all 204 launches in automated code review tools →

Could you build this?

Yes It is a web pastebin tool for unified diffs with a CLI piping script, parsing unified diff text and rendering it with commenting and sharing capabilities.

Discussion

2 comments analyzed.

Competitors

Other products that read as similar to this one : 311 launches clear the similarity bar, closest 8 shown.

Attention rank: #159 of 312 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 68 days after the earliest competitor.

  • Deff · hn · 2026-02-26 · 120 upvotes · similarity 0.58
  • I made a heatmap diff viewer for code reviews · hn · 2025-10-30 · 265 upvotes · similarity 0.55
  • MyGitDiff · github · 2026-09-10 · 7 upvotes · similarity 0.53
  • Linear Diffs · ph · 2026-05-29 · 178 upvotes · similarity 0.51
  • DiffCue · ph · 2026-10-15 · 2 upvotes · similarity 0.50
  • OmniDiff · hn · 2026-11-01 · 319 upvotes · similarity 0.49
  • peek · github · 2026-10-24 · 66 upvotes · similarity 0.49
  • Diffnote · hn · 2026-02-04 · 5 upvotes · similarity 0.47

Related data

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