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Callboard vs pretalx

Both stand on event scheduling software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Callboard

Free plan APISelf-hostedWeb

Callboard covers the event workflow from proposals through agenda publication, with exports and integrations for programme data. Organizations must be provisioned by a deployment operator, and the demo does not deliver email.

Visit Callboard

pretalx

Free plan Open source APILinuxSelf-hosted+1

pretalx covers the submission, review, scheduling, and publication workflow for events, with both hosted and self-hosted options. Organizers should weigh the operational work of self-hosting against per-event hosted pricing.

Visit pretalx

The facts

Callboardpretalx
Free planYesYes
Open sourceNot publishedYes
Runs onAPI, Self-hosted, WebAPI, Linux, Self-hosted, Web
Lowest paid planFree or on requestSelf-hosted support contract: €499 a year
Plans published14
MakerNot publishedNot published
Websitecallboardhq.compretalx.com
On event scheduling software#3 of 34#1 of 34

Callboard: what it does well

  • Conditional CFP questions and track routing
  • Weighted proposal scoring across two rounds
  • Speaker portal supports tasks and materials
  • Conflict view flags overlapping sessions
  • Published agendas support calendar, CSV and API

What to know first

  • No public self-serve signup yet
  • No per-organization tenancy yet
  • Demo does not send email to recipients

pretalx: what it does well

  • Custom calls support multiple languages and deadlines.
  • Reviewers can rate submissions and answer added questions.
  • Schedule editor warns about speaker availability conflicts.
  • Open-source software is available for self-hosting.
  • Hosted service includes backups, updates, and assistance.

What to know first

  • Self-hosting requires server costs and maintenance.
  • Hosted pricing varies by event and has no listed price.
  • Security support covers only the current stable release.

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