# NW.js vs OpenJFX

| Attribute | NW.js | OpenJFX |
|---|---|---|
| **vioscaleAI score** | 45.2 (25% (low)) | 51.6 (25% (low)) |
| activity.commits_last_30d | 13 | 28 |
| adoption.dependent_repos | 1 | 17,108 |
| adoption.github_stars | 41,162 | 3,286 |
| content.faq | `[{"answer":"A desktop application framework combining Chromium and Node.js, enabling developers to create native desktop applications using HTML, CSS, JavaScript, and WebGL while accessing Node.js APIs directly. It is indexed under Desktop App Frameworks.","source":"https://nwjs.io/","question":"What is NW.js?","confidence":0.6},{"answer":"NW.js is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://nwjs.io/","question":"Is NW.js free to use?","confidence":0.6},{"answer":"NW.js supports Windows, macOS and Linux. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://nwjs.io/","question":"What platforms does NW.js support?","confidence":0.6},{"answer":"Yes. NW.js is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/nwjs/nw.js","question":"Is NW.js open source?","confidence":0.95}]` | `[{"answer":"An open-source platform that provides a toolkit for developing client applications in Java, with libraries and resources supporting the complete application lifecycle from development through deployment. It is indexed under Desktop App Frameworks.","source":"https://openjfx.io/","question":"What is OpenJFX?","confidence":0.6},{"answer":"OpenJFX is open source, so it can be self-hosted and used at no licence cost. It is released under the GPL-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://openjfx.io/","question":"Is OpenJFX free to use?","confidence":0.6},{"answer":"OpenJFX supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://openjfx.io/","question":"What platforms does OpenJFX support?","confidence":0.6},{"answer":"Yes. OpenJFX can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://openjfx.io/","question":"Can OpenJFX be self-hosted?","confidence":0.6},{"answer":"Yes. OpenJFX is published under the GPL-2.0 licence, a copyleft licence, so check its terms before embedding it in a closed-source product. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/openjdk/jfx","question":"Is OpenJFX open source?","confidence":0.95}]` |
| deployment.options | - | `{"self_hosted":true}` |
| description.long | A desktop application framework combining Chromium and Node.js, enabling developers to create native desktop applications using HTML, CSS, JavaScript, and WebGL while accessing Node.js APIs directly. | An open-source platform that provides a toolkit for developing client applications in Java, with libraries and resources supporting the complete application lifecycle from development through deployment. |
| features.capabilities | `{"hot_reload_dev":true,"bundled_runtime":true,"native_look_and_feel":true,"app_store_distribution":true}` | `{"mobile_target_support":true}` |
| language.primary | JavaScript | C++ |
| license.spdx | MIT | GPL-2.0 |
| platform.support | `{"mac":true,"linux":true,"windows":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://nwjs.io/","retrievedAt":"2026-09-08T13:38:47.963Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://openjfx.io/","retrievedAt":"2026-09-08T13:38:37.552Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| security.scorecard | 2.5 | 7.6 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fnwjs%2Fnw.js&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.openjfx%3Ajavafx-controls&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Desktop App Frameworks)

| Capability | NW.js | OpenJFX |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Native look and feel | ✓ | - |
| Bundled runtime | ✓ | - |
| Auto update builtin | - | - |
| Code signing support | - | - |
| App store distribution | ✓ | - |
| Hot reload dev | ✓ | - |
| Accessibility support | - | - |
| Mobile target support | - | ✓ |
| Ide bundled | - | - |

*Source: vioscaleAI. Generated 2026-09-11T23:38:12.763Z. "-" = undocumented, not absent.*