Ross ROSS = Recommend OSS · open-source software intelligence for agents

betterbrowser/arcfox

Make your production flow. observed · 2026-08-28

github.com/betterbrowser/arcfox · JavaScript · MIT (permissive) observed · 2026-08-28

Health v2 · maintenance only

43/100

  • Activity 24
  • Release rhythm 40
  • Longevity 91
How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

  • gap_med: 7
  • age_days: 1286
  • days_rel: 720
  • days_push: 458
  • n_releases_24m: 2

Full methodology

Adoption not part of the score

1245 stars · 39 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

ArcFox is a Firefox extension plus userChrome.css theme pack that brings Arc Browser's UI style, including a vertical sidebar and tab management, to Firefox. It is a community-driven customization project by the non-profit BetterBrowser collective.

Use cases

  • make firefox look like arc browser
  • get a vertical tab sidebar in firefox
  • customize firefox ui with userchrome css
  • install an arc-style theme on firefox
  • improve firefox tab management on windows
  • apply arc browser aesthetics to firefox

When to choose

  • you want Arc Browser's UI on Firefox without switching browsers
  • you are comfortable editing about:config and profile folders
  • you want a free, community-driven Firefox customization

When to avoid

  • you need a polished, actively maintained product with frequent updates
  • you dislike manual profile and userChrome.css setup
  • you need guaranteed compatibility with future Firefox versions

Facets

plugin · maturity experimental

ui-components theme browser-extension browser-extensions web-development developer-tools browser cross-platform firefox-addon userchrome-css arc-browser-inspired browser-customization sidebar-tabs firefox-tweaks

1 source

Member repositories

RepositoryRoleHealth v2
betterbrowser/arcfoxmain43

For agents

markdown · JSON · MCP: product_card(name="betterbrowser/arcfox")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem