Home / Scheduling & Calendars / Alternatives to Calendly

2 open source alternatives to Calendly

Appointment scheduling and meeting links. Here are the open source projects real teams use instead — ranked by fit, with honest pros and cons for each.

What people don't love about Calendly

  • Free tier is limited to one event type.
  • Pricing grows with team size.
  • No self-hosted option.

Current Calendly pricing (for reference): Free tier; Standard from $10/seat/month.

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Quick comparison

Alternative Best for License Self-host Hosted cloud?
Cal.com
Open source Calendly alternative — self-host or cloud.
Feature-rich Calendly replacement with self-host option. AGPL-3.0 ★★★☆☆ Yes
Rallly
Open source Doodle-style meeting poll.
When you just need to find a meeting time with a group. AGPL-3.0 ★☆☆☆☆ Yes

1. Cal.com — Feature-rich Calendly replacement with self-host option.

Open source Calendly alternative — self-host or cloud.

Strengths

  • Feature-rich — routing, round-robin, teams.
  • Rapidly developed open source community.
  • Integrations with Zoom, Google Cal, Outlook.

Weaknesses

  • Self-hosting has many env vars and OAuth apps.
  • Upgrade path breaks occasionally.
  • Some team features gated on cloud.
License: AGPL-3.0 Self-host difficulty: 3/5 Hosted cloud optionMobile: iOS, Android

Cal.com homepage · Source on GitHub · Calendly vs Cal.com →

2. Rallly — When you just need to find a meeting time with a group.

Open source Doodle-style meeting poll.

Strengths

  • Focused scope — just find a meeting time.
  • Clean UI and fast.
  • Simple docker deploy.

Weaknesses

  • Not a full booking product.
  • No recurring event support.
  • Limited integrations.
License: AGPL-3.0 Self-host difficulty: 1/5 Hosted cloud option

Rallly homepage · Source on GitHub · Calendly vs Rallly →

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