Observed arrival · 2026-09-04

Sidebranch puts Git branches side by side

sidebranch.dev Observed source

Editorial interest 84/100 Selection signal · not a rating of the site

A local developer tool that launches branch versions in isolated worktrees so UI changes can be compared inside a running app.

Landing page captured for the 2026-09-04 issue.

Field notes

Sidebranch runs branch-specific development servers in isolated Git worktrees, then exposes them through a local in-page widget for live comparison. Its configuration can define the app start command, conditional dependency installation, and environment files to copy into each pane. The documented daemon binds to 127.0.0.1:49400 by default, with commands for status checks, alternate ports, and removing individual or all review panes.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

⊠LoginAccess appeared gated

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

One card from the complete issue

An Octave Below the Spacecraft

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