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Cal.com vs Wisp

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

Option A
Cal.com

Cal.com

SaaS

The open-source scheduling infrastructure.

Cal.com is an open-source Calendly alternative for scheduling and infrastructure for everything calendar-related. Self-hostable.

Founder
Peer Richelsen
Founded
2021
Team
51-200
Listing
Free (nofollow)
Listed
May 2026
View Cal.com →
Option B
Wisp

Wisp

SaaS

A blog that grows your business.

Wisp is a headless blog CMS designed for indie SaaS — built-in SEO, AI-assisted writing, and a one-line install for Next.js.

Founder
Raymond Yeh
Founded
2023
Team
1-10
Listing
Free (nofollow)
Listed
May 2026
View Wisp →

See more alternatives

Cal.com alternatives →Wisp alternatives →