No. 16 of 28 ·Speaker Management Software

Greenroom

Web · Self-hosted · API

Visit site Alternatives

Freedom report

One barScore 5.4

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Greenroom is ranked #16 of 28 in speaker management software on Freedom251. It runs on API, Self-hosted, Web.

Compared on speaker management software

Application forms: Yes
Speaker portal: Yes
Session assignments: Yes
Email automation: Yes

Best Greenroom alternatives

See all 20

Two bars Indico Free tier No. 1Free6.6 Two bars Novex Speaker Management Free tier No. 2$82.50/mo6.6 Two bars ConfTool Free tier No. 3Free6.5 Two bars Fourwaves Free tier No. 4$83.25/mo6.5 One bar OpenCFP Free tier No. 5Free6.5 Two bars Sessionize Free tier No. 6Free6.5

The record

Purpose: Greenroom describes itself as a backstage workspace for managing a conference program from opening a call for speakers through event day.
CFP forms: Its call-for-speakers form builder supports custom fields, conditional logic, tracks, close dates, and submission limits.
Review: Review workflows support blind review, weighted scorecards, reviewer assignment by track, and recusal.
Scheduling: The agenda builder supports drag-and-drop scheduling across rooms and days, with automatic conflict detection.
Communications: Greenroom lists confirmation and decision emails, feedback, reminders, and .ics calendar invites.
Speaker CRM: The speaker CRM includes an organization-wide speaker database, sourcing pipeline, segments, merge tools, and bulk outreach.
Integration: Greenroom provides a one-way Airtable sync that keeps a browsable copy of event data in the team's Airtable base.
API and embeds: The product page lists a REST API, signed webhooks, and brandable widgets for embedding on websites.
API scope: API tokens are scoped to one event, and documented endpoints provide access to sessions, submissions, and speaker profiles.
Self-hosting: The homepage describes Greenroom as open source and self-hostable.
Audience: Greenroom says organizers get an event workspace and speakers get a portal to submit and track talks.
Agenda: The agenda builder supports drag-and-drop scheduling across rooms and days with automatic conflict detection.
API and webhooks: Greenroom offers a REST API, signed webhooks, and brandable embeds; its API reference documents event-scoped bearer tokens and submission event webhooks.
Airtable: An Airtable mirror provides one-way sync to a browsable copy of the team's Airtable base.

Where it ranks on Freedom251

Best Speaker Management Software in 2026#16 of 28

Is Greenroom yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote Greenroom

Sources

greenroomplanner.com· checked 3 Oct 2026
greenroomplanner.com/api-docs· checked 3 Oct 2026
github.com/zakelfassi/greenroom· checked 4 Oct 2026