# Dalux vs IfcOpenShell

**Leader by Vioscale score:** IfcOpenShell

| Attribute | Dalux | IfcOpenShell |
|---|---|---|
| **Vioscale score** | 36.5 (36% (low)) | 55.6 (35% (low)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 73 |
| adoption.github_stars | - | 2,732 |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A cloud-based platform that helps construction teams collaborate on BIM models, drawings, and project documentation from design through facility maintenance. It provides web and mobile access to coordinate information, manage quality and safety, and streamline handover processes. | IfcOpenShell is an open source library and geometry engine for developing digital platforms in the built environment. It provides comprehensive APIs and tools for IFC data manipulation, geometric analysis, model coordination, and format conversion. |
| features.capabilities | `{"pricing_model":"annual_subscription","deployment_model":"cloud_web_viewer","authoring_vs_coordination":"model_coordination_clash","ifc_openbim_standard_compliance":true}` | `{"pricing_model":"perpetual_license","deployment_model":"cloud_web_viewer","authoring_vs_coordination":"model_authoring","3d_parametric_object_modeling":false,"ifc_openbim_standard_compliance":true,"automated_hard_and_soft_clash_detection":true,"4d_time_scheduling_and_5d_cost_estimation":true,"mep_mechanical_electrical_plumbing_detailing":true}` |
| integrations.count | 2 | 10 |
| integrations.list | `[{"name":"Revit"},{"name":"IFC"}]` | `[{"name":"Blender"},{"name":"Oracle P6"},{"name":"Microsoft Project"},{"name":"Asta PowerProject"},{"name":"IDS"},{"name":"BCF"},{"name":"bSDD"},{"name":"CityJSON"},{"name":"COBie"},{"name":"Code_Aster"}]` |
| language.primary | - | C++ |
| license.spdx | - | LGPL-3.0 |
| market.availability | `{"hqCountry":"DK","primaryMarkets":["DK","SE"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"quote","plans":[{"free":true,"name":"Free","summary":"Free tier: 3 active projects","features":["BIM Viewer","Field Basic"],"description":"Free access limited to 3 active projects with basic BIM viewing and field features","contactSales":false,"includedLimits":{"projects":"3"}},{"free":false,"name":"Paid Plans","summary":"Contact sales for pricing and features","description":"Comprehensive construction management solutions","contactSales":true}],"summary":"Free tier available (3 projects); paid plans available via sales contact","freeTier":true,"sourceUrl":"https://www.dalux.com/","retrievedAt":"2026-08-24T15:32:09.872Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://ifcopenshell.org/","retrievedAt":"2026-08-24T09:46:26.970Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | quote | commercial |
| pricing.price_level | low | free |
| pricing.transparent | no | - |
| release.cadence_days | - | 1 |
| release.history | - | `[{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.9.0-alpha2608261658","date":"2026-08-26T17:02:38Z","type":"stable","version":"bonsai-0.9.0-alpha2608261658"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.9.0-alpha2608251413","date":"2026-08-25T14:16:34Z","type":"stable","version":"bonsai-0.9.0-alpha2608251413"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.9.0-alpha2608250302","date":"2026-08-25T03:05:39Z","type":"stable","version":"bonsai-0.9.0-alpha2608250302"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.9.0-alpha2608250046","date":"2026-08-25T00:49:35Z","type":"stable","version":"bonsai-0.9.0-alpha2608250046"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.9.0-alpha2608242134","date":"2026-08-24T21:38:01Z","type":"stable","version":"bonsai-0.9.0-alpha2608242134"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608231542","date":"2026-08-23T15:46:04Z","type":"stable","version":"bonsai-0.8.6-alpha2608231542"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608231407","date":"2026-08-23T14:10:21Z","type":"stable","version":"bonsai-0.8.6-alpha2608231407"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608231326","date":"2026-08-23T13:29:39Z","type":"stable","version":"bonsai-0.8.6-alpha2608231326"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608192307","date":"2026-08-19T23:11:32Z","type":"stable","version":"bonsai-0.8.6-alpha2608192307"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.9.0-alpha2608162204","date":"2026-08-16T22:08:22Z","type":"stable","version":"bonsai-0.9.0-alpha2608162204"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608132105","date":"2026-08-13T21:09:42Z","type":"stable","version":"bonsai-0.8.6-alpha2608132105"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608122009","date":"2026-08-12T20:12:30Z","type":"stable","version":"bonsai-0.8.6-alpha2608122009"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608111531","date":"2026-08-11T15:35:20Z","type":"stable","version":"bonsai-0.8.6-alpha2608111531"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608111014","date":"2026-08-11T10:18:04Z","type":"stable","version":"bonsai-0.8.6-alpha2608111014"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608090641","date":"2026-08-09T06:44:54Z","type":"stable","version":"bonsai-0.8.6-alpha2608090641"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608081735","date":"2026-08-08T17:39:18Z","type":"stable","version":"bonsai-0.8.6-alpha2608081735"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608072133","date":"2026-08-07T21:37:06Z","type":"stable","version":"bonsai-0.8.6-alpha2608072133"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608051426","date":"2026-08-05T14:30:23Z","type":"stable","version":"bonsai-0.8.6-alpha2608051426"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2608012327","date":"2026-08-01T23:30:55Z","type":"stable","version":"bonsai-0.8.6-alpha2608012327"},{"url":"https://github.com/IfcOpenShell/IfcOpenShell/releases/tag/bonsai-0.8.6-alpha2607311157","date":"2026-07-31T12:01:25Z","type":"stable","version":"bonsai-0.8.6-alpha2607311157"}]` |
| security.gdpr | yes | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=ifcopenshell&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Bim Software)

| Capability | Dalux | IfcOpenShell |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Deployment model | Cloud web viewer | Cloud web viewer |
| Authoring vs coordination | Model coordination clash | Model authoring |
| 3d parametric object modeling | - | ✗ |
| Automated hard and soft clash detection | - | ✓ |
| 4d time scheduling and 5d cost estimation | - | ✓ |
| Point cloud lidar scan ingestion | - | - |
| Ifc openbim standard compliance | ✓ | ✓ |
| Mep mechanical electrical plumbing detailing | - | ✓ |
| Structural steel and concrete rebar detailing | - | - |
| Vr ar headset model walkthroughs | - | - |
| SOC2 type ii | - | - |
| ISO 27001 | - | - |
| Pricing model | Annual subscription | Perpetual license |

*Source: Vioscale. Generated 2026-09-01T15:02:27.796Z. "-" = undocumented, not absent.*