halo-spaces
A calm, tidy design for Thunderbird on macOS – inspired by Apple Mail, with colourful spaces.
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GITHUB · launched Oct 16, 2026 · 26 upvotes (top 47%) · 1 view
Niche: dashboard and ui themes · 66 launches, 1 in the last 7 days · Explore this niche →
Category and tags
- Horizontal
- Communication
- Prosumer
- Not AI
- Hobby / open-source project
- apple-mail
- macos
- theme
- thunderbird
- thunderbird-addon
Visit website ↗ Source listing ↗
More like this: all 66 launches in dashboard and ui themes →
Could you build this?
Yes It is a userChrome.css theme modification for Mozilla Thunderbird, which primarily involves standard CSS styling and straightforward UI layout tweaks.
Competitors
Other products that read as similar to this one : 1618 launches clear the similarity bar, closest 8 shown.
Attention rank: #782 of 1619 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 352 days after the earliest competitor.
- Ambient · github · 2026-09-13 · 233 upvotes · similarity 0.59
- window-sweaters · github · 2026-09-15 · 587 upvotes · similarity 0.59
- Wobbly · github · 2026-10-06 · 30 upvotes · similarity 0.58
- iOdus · github · 2026-11-03 · 33 upvotes · similarity 0.56
- omarchy-a · github · 2026-10-25 · 118 upvotes · similarity 0.55
- MacDuo · github · 2026-09-12 · 30 upvotes · similarity 0.55
- tatami · github · 2026-11-11 · 82 upvotes · similarity 0.55
- MetalNX · github · 2026-10-27 · 76 upvotes · similarity 0.54
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.