Buildkite vs Cal.com
Hybrid CI/CD — your compute, their orchestration. Built for scale.
vs. Open-source scheduling infrastructure — the self-hostable Calendly alternative
Pricing tiers
Buildkite
Free (Developer)
$0. Unlimited jobs on self-hosted agents. 10K jobs/mo on Buildkite Hosted.
Free
Buildkite Hosted (usage)
Per-minute on Buildkite-hosted agents. $0.002/min Linux baseline.
$0/mo
Pro
$20/user/mo. SSO. Audit log. Support. Unlimited self-hosted.
$20/mo
Enterprise
Custom. SAML, RBAC, audit SLA, dedicated support.
Custom
Cal.com
Free (Cloud)
$0. 1 user. Unlimited event types. Unlimited meetings. Cal branding.
Free
Self-Hosted (OSS)
Free forever. AGPL-3.0. Docker/K8s deploy. Full feature parity with cloud.
$0 base (usage-based)
Teams
$12/user/mo. Round-robin, collective events, routing forms, Cal Video, Workflows.
$12/mo
Organizations
$37/user/mo. SSO, advanced routing, dashboards, analytics, dedicated support.
$37/mo
Enterprise
Custom. SAML, HIPAA, dedicated deployments, security reviews.
Custom
Free-tier quotas head-to-head
Comparing free on Buildkite vs free on Cal.com.
| Metric | Buildkite | Cal.com |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Buildkite · 17 features
- Agent Queues — Route jobs to specific agents by tag.
- Annotations — Rich Markdown in build UI.
- Artifacts — Upload + download build artifacts.
- Audit Log — Enterprise audit.
- Automatic Cancel — Cancel stale builds on new push.
- Automatic + Manual Retries — Configurable retry semantics.
- Buildkite Hosted Agents — Managed agents (opt-in).
- Dynamic Pipelines — Generate YAML in a command step.
- input Step — Block for user input.
- Parallelism — Parallel step scaling with BUILDKITE_PARALLEL_JOB.
- Pipelines — YAML + optional dynamic upload.
- Plugins — Agent-level lifecycle hooks.
- Secrets (Vault) — Integrate with HashiCorp Vault, SSM.
- Teams + RBAC — Enterprise permissions.
- Test Engine — Flaky test + timing insights.
- trigger Step — Fire another pipeline.
- wait Step — Sync point in pipeline.
Cal.com · 16 features
- Availability — Multiple schedules per user.
- Buffer Time — Padding between meetings.
- Cal Video — Built-in video conferencing.
- Embed — Inline/popup/floating-button embeds.
- Event Types — One-on-one, group, collective, round-robin.
- Insights Dashboard — Booking trends + team analytics.
- Paid Bookings — Stripe integration for paid appointments.
- Platform API — Embed scheduling in your SaaS.
- Recurring Events — Weekly/monthly recurring bookings.
- Round-Robin — Distribute bookings across team.
- Routing Forms — Route leads by answers.
- Self-Host — Deploy to your infra.
- SSO — SAML + OIDC.
- Timezone Detection — Auto-detect viewer timezone.
- Webhooks — Outbound events.
- Workflows — Automated email/SMS reminders.
Developer interfaces
| Kind | Buildkite | Cal.com |
|---|---|---|
| CLI | bk (Buildkite CLI) | cal CLI (self-host) |
| SDK | — | @calcom/embed-react |
| REST | Buildkite REST API | Cal.com REST API v2, Platform API (embed in SaaS) |
| GRAPHQL | Buildkite GraphQL API | — |
| OTHER | Buildkite Agent, Buildkite Dashboard, Buildkite Plugins, pipeline.yml | Cal.com Dashboard, Cal.com Webhooks |
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