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Ulysses vs SigmaOS

Side-by-side comparison of two indie startups from the Startup Spotlight directory.

Option A
Ulysses

Ulysses

Productivity

The ultimate writing app for Mac, iPad, and iPhone.

Ulysses is a Markdown-first writing app trusted by long-form writers, novelists, and bloggers — built by a small German team.

Founder
Max Seelemann
Founded
2003
Team
11-50
Listing
Free (nofollow)
Listed
May 2026
View Ulysses →
Option B
SigmaOS

SigmaOS

Productivity

The web is your operating system.

SigmaOS is an indie macOS browser built around workspaces and split-screen — a quieter Arc alternative from a small Berlin team.

Founder
Mahyad Ghassemibouyaghchi
Founded
2020
Team
1-10
Listing
Free (nofollow)
Listed
May 2026
View SigmaOS →

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Ulysses alternatives →SigmaOS alternatives →