Ex Ordo is peer review and conference management for research events. Conferencer is free, open-source software for the same job — the call, the review, the decisions, the onboarding, the agenda and the public site — that you run yourself.
What it costs
Conferencer
$0, always
MIT licensed and self-hosted: no plan, no per-event fee, no limit on submissions, no share of your revenue. Your only bill is the box it runs on, and a $5 VPS covers it.
What Ex Ordo is
Ex Ordo is a hosted conference-management platform for scientific, medical and technical events, built around peer review of abstracts and papers. The counters on its homepage read 2,905 conferences, 799,187 researchers and professionals, and 887,746 reviews completed.
Who it is for: Large academic and professional research conferences.
Side by side
The Ex Ordo column states only what their own public pages state; the sources are linked at the foot of the page. The Conferencer column is checkable in the repository.
Published price
Conferencer$0 — MIT licensed, no plans, no per-event fee
Ex OrdoNone — a quote form priced by expected submissions
Before you can try
ConferencerClone, npm run seed, and click around a real demo conference
Ex OrdoFill in a contact form and wait for a reply
Self-hosted
ConferencerYes — one container, one SQLite file, Node 22+
Ex OrdoNo — hosted only
Committee review
ConferencerMulti-round plans, anonymized rounds, 8 scorecard types, conflict-of-interest recusal, auto-distribution with caps
Ex OrdoPeer-review software is their flagship product
Scale
ConferencerBuilt to run one conference programme properly
Ex OrdoPublished counters show conferences past 1,000 presentations
Speaker onboarding
ConferencerOnboarding tasks, versioned file requests, a deliverables matrix, a speaker portal
Ex OrdoNot listed on their public pages
Public site
ConferencerA full public site — sessions, speakers, agenda, itinerary, gallery, personal .ics schedule — no login
Ex OrdoA conference platform and virtual event space
Where Ex Ordo is genuinely better
Where Conferencer differs
Sources for every claim about Ex Ordo on this page, read on 12 August 2026: exordo.com/pricing · exordo.com. If a figure here has gone stale, the linked page is the truth.