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Video Conferencing

BigBlueButton

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Panel rating · 6 judges · How to read the stars

Category median

Sovereignty: not determined

0–5 in half steps. 5 means the rubric's top anchor is met on the evidence.

by BigBlueButton Inc. · bigbluebutton.org

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Read this page as one judge. Each weighs the same scores by what they care about.

The Educator

Weighted verdict

Teaches thirty people who join from whatever they have, half of them on a phone in a dead spot. Cares that the browser works without an install, that guests need no account, that breakout rooms are usable, and that nobody is excluded by bandwidth or by a missing caption.

Same scores as the panel view — this lens weights them the way this judge cares.

Scored by The Educator

The meeting itself

How this is scored

Whether the call works: participant capacity, video and audio quality under load, screen sharing, breakout rooms, moderation, and what happens on a bad connection.

0 — Small meetings only, no screen sharing worth the name, no moderation controls, and the call degrades without telling anyone.

3 — Standard meetings with screen sharing and mute-all, but low participant limits, no breakout rooms and no bandwidth adaptation stated.

5 — Meetings at the scale most teams need with screen sharing, breakout rooms, host moderation, and documented behaviour on constrained connections.

8 — Large meetings and webinars with published capacity limits, per-participant moderation and waiting rooms, layout control, simulcast or adaptive bitrate stated, and reliable behaviour on mobile networks.

10 — Scale and control are engineering claims the vendor stands behind: capacity published per plan and per region, selective forwarding with adaptive quality documented, live streaming, hardware-room support, and diagnostics an admin can read after a bad call.

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The Educator

Breakout rooms are documented in real depth — up to eight rooms, self-selection, late-joiner invitations, messaging every room, and whiteboard and shared notes saved out as PDF — which is what I need for thirty restless adults. Moderation is likewise concrete: a moderator-reviewed lobby, per-participant permission locks, a presenting policy, and muting from the user list. But we found no public information on published capacity limits, adaptive quality, or what happens to a call on a bad mobile connection, and that silence is exactly where half my class lives. 2 4 5 9

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Encryption & meeting access

How this is scored

What is actually encrypted and against whom, plus who can get into a meeting. Judged on documented mechanism rather than on the word "encrypted".

0 — Transport encryption only, undocumented; meetings joinable by anyone with a link and no lobby.

3 — TLS in transit and encryption at rest, with the vendor holding all keys; access control is a passcode.

5 — The above plus a lobby or waiting room, host-controlled admission, per-meeting passcodes, and a clear statement that the vendor can technically access media.

8 — Optional end-to-end encryption for meetings with the trade-offs named (which features stop working), documented key handling, SSO-gated joining, and per-meeting access policies.

10 — End-to-end encryption available without surrendering the product — its cryptography documented or open source, key management explained, identity verification for participants, and the vendor stating plainly what it can and cannot see.

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The Educator

Guest policy with a lobby the moderator reviews, plus SAML sign-in for Personal Rooms, are the documented access controls. The encryption story is only "reasonable administrative, technical and physical measures" — we found no public information on what is actually encrypted, key handling, end-to-end encryption, or what the operator can technically see. 3 5 6

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Reach & accessibility

How this is scored

Whether everyone who needs to join can: browser without an install, dial-in, low bandwidth, guests without accounts, captions and keyboard operation.

0 — A desktop client is the only way in; guests must create an account.

3 — Browser joining exists but is degraded, guests can join by link, and there is no dial-in and no accessibility statement.

5 — Full-feature browser joining without an install, guest access by link, mobile apps, and a stated accessibility posture.

8 — Telephone dial-in with numbers listed, live captions, keyboard-navigable and screen-reader-tested interface, and documented low-bandwidth behaviour.

10 — Reach is designed for: browser parity with the client, dial-in across the regions the customer operates in, live captions and translation, a published accessibility conformance report, and a usable experience on a poor mobile connection.

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The Educator

Joining happens in a browser tab with a single click and no external login, so nobody in my class installs anything or creates an account. Live closed captions with a viewer toggle, keyboard shortcuts, JAWS screen-reader support, and an externally validated WCAG 2.0 Level AA statement with named exceptions are published. We found no public information on telephone dial-in, mobile apps, or documented low-bandwidth behaviour — the dead spots stay a gamble. 7 8 11 12

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Recordings, retention & admin control

How this is scored

A recording is personal data about everyone in the room. Who may record, who is told, where it is stored, how long it lives, and what the works council can switch off.

0 — Anyone can record, storage location unstated, no retention rule, no admin policy.

3 — Host-only recording with a notification, but storage region unstated, retention manual, and no organisation-wide policy control.

5 — Admin policy over who may record, participant notification and consent prompt, stated storage region, and manual deletion that works.

8 — Automatic retention and deletion per policy, recordings encrypted at rest with access logged, transcription handled with its own retention rule, and attendance or analytics features that can be switched off for co-determination.

10 — Built for a works agreement: every recording, transcript and analytics feature independently switchable and documented, retention executed and evidenced, an audit trail of who accessed which recording, and no participant-level behavioural scoring at all.

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The Educator

Recording is moderator-started and pausable, recordings default to unlisted with only the direct URL working, and administrators can search, rename and delete every recording on the server. But we found no public information on a participant notification or consent prompt, storage region, retention rules or access logs — and the Learning Analytics Dashboard scores participation per student with no evidenced off-switch, which a works council would want in writing. 4 9 10 11 12

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Integrations & deployment

How this is scored

Calendar, identity and the wider stack — plus, in this category, whether the product can be run on the customer's own infrastructure at all.

0 — No calendar integration, no SSO, no API; cloud-only with no alternative.

3 — One calendar integration and basic SSO, no API worth building on, cloud-only.

5 — Calendar integration for the major suites, SAML or OIDC SSO, a documented API for scheduling, and room-system support.

8 — The above plus SCIM provisioning, embedding via SDK, webhooks for meeting events, and either a self-hosted option or a documented private-cloud deployment.

10 — Deployment is the customer's choice: a genuine on-premises or private-cloud option with the same features, open protocols or open source, embeddable SDKs, and identity integration that does not require the vendor's directory.

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The Educator

The Moodle integration is first-class — built into Moodle 4.0, premium plugin status, twenty thousand registered sites — with Canvas, Sakai, D2L, Jenzabar and Schoology alongside, and SAML sign-in exists though marked beta. Any school can set up its own server on open-source terms, a deployment story few can match. We found no public information on a documented API, calendar suites beyond the LMS world, SCIM provisioning, webhooks or room systems. 2 6 11 12

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European sovereignty

How this is scored

Where media and metadata are processed, who the contracting entity is, which subprocessors carry the traffic. Independently sourced by the sovereignty pipeline; scored here as this buyer weighs it — which in this category is heavily.

0 — Non-EU vendor and contracting entity, media routed through unstated regions, subprocessors unnamed.

3 — EU data residency for storage while media relays or metadata remain non-EU, or the contracting entity sits outside the EU.

5 — EU hosting and an EU contracting entity, but parts of the chain — relays, analytics, support tooling, transcription — are non-EU without an explained safeguard.

8 — Media and metadata processed in the EU on named infrastructure, EU contracting entity, complete subprocessor list published, any non-EU processing named with its legal basis.

10 — Sovereign end to end and evidenced: media never leaves the EU, every subprocessor European, certification published, and an on-premises option that removes the question entirely.

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The Educator

The contracting entity named in the privacy policy is BigBlueButton Inc. of Ottawa, Canada, and data residency, ownership and subprocessors for the hosted service are all unconfirmed on the captured pages, with Google Analytics running on the sites. The genuine open-source self-hosting path lets a European institution keep media on its own infrastructure, but nothing on these pages evidences a sovereign hosted chain. 1 3 11

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Pricing transparency not rated — the vendor publishes no price

How this is scored

Whether a buyer can compute the annual invoice for their host count — including the capacity, dial-in and recording storage they actually need — from public pages alone.

0 — No public prices at all; every tier is a sales conversation.

3 — A per-host headline exists, but participant caps, dial-in minutes or recording storage are unpriced or unmentioned.

5 — Per-host prices public with billing period stated and capacity limits given, but at least one commonly needed piece (webinar capacity, dial-in, storage) sits in an unpriced add-on.

8 — Every tier and add-on priced publicly with per-host maths, capacity limits, dial-in rates, storage allowances, minimum term and VAT treatment stated.

10 — Complete price computability: a calculator producing the annual invoice for a given host count, meeting size and recording volume, including overage and per-region dial-in.

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The Educator

The only published figure is a free hosting offer from Blindside Networks with stated caps: "class sizes up to 25 users", 60-minute sessions, viewers seeing only the moderator's webcam, and recordings expiring after 7 days. Beyond that, commercial hosting is a directory of providers and support is a conversation — we found no public information on per-host prices for anything larger than that free tier. 1 11

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European sovereignty — proven facts

0 of 4 dimensions proven

Built only from facts shown on the vendor's own pages. A dimension we could not prove is left open, not scored as zero.

Ownership Not determined ⚠ unverified — uncited Report an error
Data residency Not determined — uncited Report an error
Subprocessors Not determined ⚠ unverified — uncited Report an error

Where this could be wrong

What we left out

A claim that does not survive our checks costs us the claim, not the page. This is what was taken off this one.

Sources (12)

The pages every claim on this page was read from — each one checked, dated, and kept verifiable.

  1. 1 Project homepage bigbluebutton.org Checked 16 Sep 2026 Details →
  2. 2 Product page bigbluebutton.org Checked 16 Sep 2026 Details →
  3. 3 Privacy policy bigbluebutton.org Checked 16 Sep 2026 Details →
  4. 4 The meeting itself — found from sitemap bigbluebutton.com Checked 1 Oct 2026 Details →
  5. 5 The meeting itself — found from sitemap bigbluebutton.com Checked 1 Oct 2026 Details →
  6. 6 Encryption & meeting access — found from sitemap bigbluebutton.com Checked 1 Oct 2026 Details →
  7. 7 Reach & accessibility — found from sitemap bigbluebutton.com Checked 1 Oct 2026 Details →
  8. 8 Reach & accessibility — found from sitemap bigbluebutton.org Checked 1 Oct 2026 Details →
  9. 9 Recordings, retention & admin control — found from sitemap bigbluebutton.com Checked 1 Oct 2026 Details →
  10. 10 Recordings, retention & admin control — found from sitemap bigbluebutton.com Checked 1 Oct 2026 Details →
  11. 11 Integrations & deployment — found from sitemap bigbluebutton.org Checked 1 Oct 2026 Details →
  12. 12 Integrations & deployment — found from sitemap bigbluebutton.com Checked 1 Oct 2026 Details →