PicaJet
Search Build shortlist

digiKam, Canto, Contentstack, Kontainer

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.

digiKam

Yes

Canto

No

Contentstack

No

Kontainer

No

Everything else

digiKam
Canto
Contentstack
Kontainer
Verdict
Free, open-source, cross-platform photo cataloging software for large RAW libraries, with tagging, geotagging and duplicate detection, meant to pair with a separate RAW editor.
A DAM built around search and tagging for mid-market teams, with unlimited free view-only accounts but per-seat pricing for editors that only appears after a sales quote.
An enterprise headless CMS and composable DXP for developer-led teams needing multi-channel content delivery, with a native asset-management module that's newer and thinly reviewed.
A Nordic/European DAM, with optional PIM, aimed at mid-market brand, retail and ecommerce teams wanting fast onboarding without heavy IT involvement, backed by a 30-day no-commitment trial.
Price published
Yes
No
No
No
Billed on
Free software, no licence fee
Team size and storage volume
Quoted per customer
Depends on configuration; several features are priced separately
Deployment
On-premise
Cloud
Cloud
Cloud
Free plan
Yes
No
Yes
No
Free trial
No
Yes
No
Yes
Transparency index
100%
20%
30%
20%
Most common complaint
It has no collaboration, permissions or approvals by design
The tiers are named and described but cannot be compared on cost
A free start exists, but the terms for moving to a paid tier are not on the page
Feature-level add-on pricing makes the final figure hard to anticipate before a quote

“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.

digiKam It has no collaboration, permissions or approvals by design — ask them to answer this in writing before the trial.
Canto The tiers are named and described but cannot be compared on cost — ask them to answer this in writing before the trial.
Contentstack A free start exists, but the terms for moving to a paid tier are not on the page — ask them to answer this in writing before the trial.
Kontainer Feature-level add-on pricing makes the final figure hard to anticipate before a quote — ask them to answer this in writing before the trial.

No email required — the page prints as it stands.