Cal.com
Open-source · self-hostable · replaces 1 SaaS tool on os-alt
calcom/cal.com · alive · ★ 42.5k · last commit 3d ago · 1324 open issues
License: AGPL-3.0
Good fit for Teams who want a Calendly clone they fully control, including the booking page branding.
Weak at Workflow automations are a thinner subset of Calendly's.
In a terminal? npx -y github:SolvoHQ/os-alt-cli calendly prints
the Calendly comparison table including Cal.com.
how the CLI works →
Replaces these SaaS
- Calendly · Scheduling / booking links
Calendly → Account → Settings → Export availability/event-types (CSV). In Cal.com, recreate event types via the import wizard or Cal API; calendar connections (Google/Microsoft) get re-OAuthed once.
README badges for the SaaS this replaces
Maintainers and forks: drop a badge in your README to link readers from the SaaS-comparison page back to your repo.
FAQ
Is Cal.com actively maintained?
Yes — last commit 3d ago. The repository is alive (commit activity within the past 90 days).
What does Cal.com cost to self-host?
Cal.com is free and open source under AGPL-3.0. Typical self-host VPS cost: $5-10 VPS — Postgres + Next.js app.
Which SaaS does Cal.com replace?
Cal.com is listed as an open-source self-host alternative to: Calendly.