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Mem vs SigmaOS

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

Option A
Mem

Mem

Productivity

The self-organizing workspace.

Mem is an AI-native note-taking app that automatically organizes everything you capture and surfaces it when you need it.

Founder
Kevin Moody
Founded
2019
Team
11-50
Listing
Free (nofollow)
Listed
May 2026
View Mem →
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 →

See more alternatives

Mem alternatives →SigmaOS alternatives →