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Head-to-head · Speaker Management Software

Greenroom vs OpenRostrum

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Greenroom #1 in Speaker Management Software 9.4/10 Open source ✓ 4 of 6 features Visit Greenroom
OpenRostrum #2 in Speaker Management Software 9.3/10 Free plan Free plan✓ 0 of 6 features Visit OpenRostrum

Greenroom leads on 0 checks, OpenRostrum on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGreenroom · 9.4/10
  • Free planonly OpenRostrum
  • Most featuresGreenroom · 4 of 6

Greenroom scores higher on our rubric for speaker management software: 9.4 against 9.3 out of 10; our editors rank them #1 and #2.

Greenroom is the better fit for open-source teams managing speakers end to end. OpenRostrum is the better fit for open-source speaker CRM and scheduling teams.

  • Greenroom fits best

    Open-source teams managing speakers end to end

  • OpenRostrum fits best

    Open-source speaker CRM and scheduling teams

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Side by side

Feature Greenroom 9.4/10 Visit ↗ OpenRostrum 9.3/10 Visit ↗
At a glance
Editor score 9.4 9.3
Ranking #1 in Speaker Management Software #2 in Speaker Management Software
Best for Open-source teams managing speakers end to end Open-source speaker CRM and scheduling teams
Pricing model Free Free
Starting price Open source Free plan
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web Web
Support Docs Docs, Tickets
Integrations 1 integrations 3 integrations
Built for Solo, Small business, Mid-market Small business, Mid-market, Enterprise
Features Greenroom 4/6 · OpenRostrum 0/6
Application forms ✓ (best) Not checked yet
Speaker portal ✓ (best) Not checked yet
Contract management Not checked yet Not checked yet
Travel details Not checked yet Not checked yet
Session assignments ✓ (best) Not checked yet
Email automation ✓ (best) Not checked yet
Specs
Speaker limit Not checked yet Not checked yet
Our review
Pros
  • Covers CFPs, blind review, onboarding, scheduling, and publishing
  • Reusable speaker CRM with sourcing, segments, merging, and bulk outreach
  • REST API, signed webhooks, embeds, and Airtable synchronization
  • Covers speaker CRM, CFPs, proposal decisions, portals, and deliverables
  • Builds conflict-aware agendas with drag-and-drop day-by-room scheduling
  • Publishes schedules and sends calendar invitations with ICS attachments
Cons
  • Airtable is the listed third-party integration
  • Self-hosting requires the team to manage deployment responsibilities
  • Its broad event workflow may exceed the needs of simple CFP programs
  • Focused on conference workflows rather than general event management
  • Self-hosted deployments place infrastructure responsibility on the organization
  • Listed calendar integrations are limited to Gmail, Outlook, and Apple Calendar
Our verdict

Greenroom is an open-source conference program platform for organizers managing speakers from call for speakers through publication. It combines application forms, blind review, speaker status tracking, onboarding tasks, agenda building,…

Read the review →

OpenRostrum is an open-source platform for conference speaker relationships, call-for-speakers workflows, proposal review, presenter coordination, agenda building, and program publishing. It is designed for conference organizers that need…

Read the review →
  1. GreenroomSpeaker Management Software 9.4Open source
  2. OpenRostrumSpeaker Management Software 9.3Free plan

Strengths and trade-offs

  • Greenroom — where it wins

    • Covers CFPs, blind review, onboarding, scheduling, and publishing
    • Reusable speaker CRM with sourcing, segments, merging, and bulk outreach
    • REST API, signed webhooks, embeds, and Airtable synchronization

    Where it doesn't

    • Airtable is the listed third-party integration
    • Self-hosting requires the team to manage deployment responsibilities
    • Its broad event workflow may exceed the needs of simple CFP programs

  • OpenRostrum — where it wins

    • Covers speaker CRM, CFPs, proposal decisions, portals, and deliverables
    • Builds conflict-aware agendas with drag-and-drop day-by-room scheduling
    • Publishes schedules and sends calendar invitations with ICS attachments

    Where it doesn't

    • Focused on conference workflows rather than general event management
    • Self-hosted deployments place infrastructure responsibility on the organization
    • Listed calendar integrations are limited to Gmail, Outlook, and Apple Calendar

More comparisons

All speaker management software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update