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Kontent.ai, Nextcloud, Islandora, Bunny.net

Side by side on what we have verified on each vendor’s own pages. Where a fact was not checked, the table says so rather than leaving a blank that reads as “no”.

What decides it · Runs on your own servers

If the files genuinely cannot leave your infrastructure, this is not a close race — the platforms marked No below should not be on the call at all.

Kontent.ai

No

Nextcloud

Yes

Islandora

Yes

Bunny.net

No

Everything else

Kontent.ai
Nextcloud
Islandora
Bunny.net
Verdict
A headless CMS with a built-in asset library for images and files, not a standalone DAM — it lacks file versioning, rights/expiry management and native video transcoding.
A self-hosted file-sync and collaboration platform some organisations stretch into asset-library duty; tagging, batch metadata editing and dynamic tag-based collections are still limited or missing.
An open-source, community-governed digital repository platform on Drupal, for libraries, archives, and museums to manage digital collections.
A CDN and edge-computing platform bundling storage, video streaming, DNS and image optimization, aimed at developers and cost-conscious teams as an alternative to larger CDN providers.
Price published
No
Yes
No
Yes
Billed on
Seats, content types and volume
Subscription per user per year, cheaper at volume
No published price on islandora.ca — the core software is free open source ("free to use and always will be"). Paid options are hosting/installation/migration/support/training contracts sold by independent third-party service providers listed on islandora.ca/service-providers (e.g. Born-Digital, discoverygarden); islandora.ca itself does not publish their rates or billing units.
Primarily pay-as-you-go per GB of bandwidth/storage (CDN from $0.01/GB standard, volume network from $0.005/GB down to $0.002/GB; Storage from $0.01/GB standard tier, $0.02/GB edge SSD tier; Stream storage from $0.01/GB and CDN from $0.005/GB), with a $1/month account minimum. Bunny Optimizer is a flat $9.50/month per website (unlimited optimizations). No per-request fees. Enterprise-scale volume (above 2PB) requires contacting sales.
Deployment
Cloud
On-premise, Cloud
On-premise, Cloud
Cloud
Free plan
No
Yes
No
No
Free trial
No
No
No
No
Transparency index
10%
80%
Not checked
Not checked
Most common complaint
The calculator shows what drives the price without showing the price
It is a file platform with DAM features rather than a DAM: asset-level metadata and rights are thinner
Not checked
Not checked

“Not checked” means exactly that: we have not verified it, not that the platform lacks it. Every other value was read off the vendor’s own pages on the date shown on each platform page.

What to ask on the demo

One question per platform, drawn from what actually goes wrong with it — not a generic checklist. Vendors run the demo; this hands the agenda back to you.

Kontent.ai The calculator shows what drives the price without showing the price — ask them to answer this in writing before the trial.
Nextcloud It is a file platform with DAM features rather than a DAM: asset-level metadata and rights are thinner — ask them to answer this in writing before the trial.

No email required — the page prints as it stands.