Simple, public pricing
No "contact sales" wall. Start free, upgrade when your data gets serious. SaaS — always on the latest version. Floating licences (non-simultaneous connections), prices VAT excluded. Two months free on yearly billing.
OpenSankey
€0
free & open source, forever — no account
- Full Sankey editor in the browser
- Excel / CSV / text import
- STAN & SankeyMATIC import
- PNG / SVG export, no watermark
OpenSankey+
€30 /month
or €300/year — one-month free trial
- Everything in OpenSankey
- Advanced editor & premium dataviz
- Hierarchical nodes & drill-down
- Data tags: years, scenarios, filters
- Excel data management (import/export)
- Published interactive diagrams (embeds)
SankeySuite
€150 /month
or €1,500/year
- Everything in OpenSankey+
- Advanced MFA: completion from ~10% of measured data
- Consistency: units, uncertainties, constraints, intervals
- Prospective & scenario tools
- Full data management
Options & add-ons
| FluxFormation — hands-on & methodology training, up to 6 people | ½, 1 or 2 days | €1,200 / day |
|---|---|---|
| FluxService — remote coaching (onboarding, methodology) | booked per 30-minute slot | €75 / 30 min |
| Custom Excel templates | depending on complexity | from €50 / template |
| Embedding in your web interface | hosted interactive viewer | €500 / integration |
| Connection to your database | — | on quote |
Education & research
Teaching MFA? Write to us from your institutional address for classroom and academic access.
Request academic access →Consulting & studies
We can build the whole study for you — data collection, reconciliation, interactive publication.
See our services →