# Express vs Quarkus

**Leader by vioscaleAI score:** Express

| Attribute | Express | Quarkus |
|---|---|---|
| **vioscaleAI score** | 75.7 (77% (high)) | 62.4 (74% (medium)) |
| activity.commits_last_30d | 10 | 100 |
| adoption.dependent_repos | 1,853,938 | 4,936 |
| adoption.github_stars | 69,528 | 15,943 |
| adoption.package_downloads_weekly | 168,467,798 | - |
| adoption.stackoverflow_questions | 96,000 | - |
| content.faq | `[{"answer":"A minimal framework providing essential routing, middleware, and HTTP utilities for building web applications and APIs in Node.js without imposing architectural constraints. It is indexed under Web Frameworks.","source":"https://expressjs.com","question":"What is Express?","confidence":0.6},{"answer":"Express 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://expressjs.com","question":"Is Express free to use?","confidence":0.6},{"answer":"Express supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://expressjs.com","question":"What platforms does Express support?","confidence":0.6},{"answer":"Yes. Express can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://expressjs.com","question":"Can Express be self-hosted?","confidence":0.6},{"answer":"We have confirmed 13 integrations for Express, including Cassandra, Couchbase, CouchDB, LevelDB, MySQL, MongoDB, Neo4j and Oracle, plus 5 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://expressjs.com","question":"What does Express integrate with?","confidence":0.6},{"answer":"Yes. Express 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/expressjs/express","question":"Is Express open source?","confidence":0.99},{"answer":"Express is available worldwide. Its primary market is the United States. The vendor is headquartered in the United States.","source":"https://expressjs.com","question":"Where is Express available?","confidence":0.95}]` | `[{"answer":"Quarkus is an open-source framework that enables Java developers to build cloud-native applications optimized for containers and Kubernetes. It provides rapid startup, minimal memory consumption, and accelerated development cycles through live code reloading, while supporting both imperative and reactive programming paradigms. It is indexed under Web Frameworks.","source":"https://quarkus.io/","question":"What is Quarkus?","confidence":0.6},{"answer":"Quarkus is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://quarkus.io/","question":"Is Quarkus free to use?","confidence":0.6},{"answer":"Quarkus supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://quarkus.io/","question":"What platforms does Quarkus support?","confidence":0.6},{"answer":"Yes. Quarkus can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://quarkus.io/","question":"Can Quarkus be self-hosted?","confidence":0.6},{"answer":"We have confirmed 7 integrations for Quarkus, including Eclipse Vert.x, Hibernate, Apache Camel, JAX-RS, RESTEasy, Netty and Eclipse MicroProfile. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://quarkus.io/","question":"What does Quarkus integrate with?","confidence":0.6},{"answer":"Yes. Quarkus is published under the Apache-2.0 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/quarkusio/quarkus","question":"Is Quarkus open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | A flexible web framework providing essential features for web applications and APIs while allowing developers to choose their own complementary tools and libraries. | Quarkus is a Java application framework that enables efficient, cloud-native development with fast startup times and low memory footprint through compile-time optimization. It provides a cohesive platform integrating popular libraries and standards, supporting both JVM and native executable deployments with live reload capabilities. |
| features.capabilities | `{"language":"JavaScript","api_routes":true,"hot_reload":false,"edge_runtime":false,"file_routing":false,"license_type":"MIT/BSD","orm_included":false,"streaming_ssr":false,"language_runtime":"JS/TS","typescript_first":false,"server_components":false,"architecture_style":"minimalist","templating_included":true}` | `{"language":"Java","api_routes":true,"hot_reload":true}` |
| integrations.count | 13 | 19 |
| integrations.list | `[{"name":"Cassandra"},{"name":"Couchbase"},{"name":"CouchDB"},{"name":"LevelDB"},{"name":"MySQL"},{"name":"MongoDB"},{"name":"Neo4j"},{"name":"Oracle"},{"name":"PostgreSQL"},{"name":"Redis"},{"name":"SQL Server"},{"name":"SQLite"},{"name":"Elasticsearch"}]` | `[{"name":"Eclipse Vert.x"},{"name":"Hibernate"},{"name":"Apache Camel"},{"name":"JAX-RS"},{"name":"RESTEasy"},{"name":"Netty"},{"name":"Eclipse MicroProfile"},{"name":"Hibernate ORM","native":true},{"name":"JPA","native":true},{"name":"Jackson","native":true},{"name":"GraphQL","native":true},{"name":"Redis","native":false,"category":"cache"},{"name":"Kubernetes","native":false,"category":"infrastructure"},{"name":"OIDC","native":false,"category":"authentication"},{"name":"Liquibase","native":false,"category":"database"},{"name":"GraalVM","native":false},{"name":"PostgreSQL","native":true},{"name":"MySQL","native":true},{"name":"Micrometer","native":true},{"name":"Prometheus","native":true},{"name":"gRPC","native":true},{"name":"Keycloak","native":true},{"name":"OAuth","native":true},{"name":"OpenShift","native":true},{"name":"Jakarta REST","native":true}]` |
| language.primary | JavaScript | Java |
| license.spdx | MIT | Apache-2.0 |
| market.availability | `{"source":"https://expressjs.com","hqCountry":"US","confidence":0.95,"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://expressjs.com","retrievedAt":"2026-10-05T10:08:30.684Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://quarkus.io/","retrievedAt":"2026-08-03T20:56:40.746Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | 4 | 1 |
| release.history | `[{"url":"https://github.com/expressjs/express/releases/tag/v4.22.2","date":"2026-05-11T18:54:02Z","type":"stable","version":"v4.22.2"},{"url":"https://github.com/expressjs/express/releases/tag/v5.2.1","date":"2025-12-01T20:54:44Z","type":"stable","version":"v5.2.1"},{"url":"https://github.com/expressjs/express/releases/tag/v5.2.0","date":"2025-12-01T16:21:03Z","type":"stable","version":"v5.2.0"},{"url":"https://github.com/expressjs/express/releases/tag/v4.22.1","date":"2025-12-01T20:55:45Z","type":"stable","version":"v4.22.1"},{"url":"https://github.com/expressjs/express/releases/tag/4.22.0","date":"2025-12-01T16:19:48Z","type":"stable","version":"4.22.0"},{"url":"https://github.com/expressjs/express/releases/tag/v5.0.1","date":"2024-10-08T19:41:00Z","type":"stable","version":"v5.0.1"},{"url":"https://github.com/expressjs/express/releases/tag/v5.1.0","date":"2025-03-31T14:04:44Z","type":"stable","version":"v5.1.0"},{"url":"https://github.com/expressjs/express/releases/tag/4.21.2","date":"2024-12-05T22:41:41Z","type":"stable","version":"4.21.2"},{"url":"https://github.com/expressjs/express/releases/tag/4.21.1","date":"2024-10-08T18:38:48Z","type":"stable","version":"4.21.1"},{"url":"https://github.com/expressjs/express/releases/tag/4.21.0","date":"2024-09-11T22:34:26Z","type":"stable","version":"4.21.0"},{"url":"https://github.com/expressjs/express/releases/tag/v5.0.0","date":"2024-09-10T04:51:37Z","type":"stable","version":"v5.0.0"},{"url":"https://github.com/expressjs/express/releases/tag/4.20.0","date":"2024-09-10T02:06:04Z","type":"stable","version":"4.20.0"},{"url":"https://github.com/expressjs/express/releases/tag/v5.0.0-beta.3","date":"2024-03-25T14:59:35Z","type":"prerelease","version":"v5.0.0-beta.3"},{"url":"https://github.com/expressjs/express/releases/tag/4.19.2","date":"2024-03-25T14:32:36Z","type":"stable","version":"4.19.2"},{"url":"https://github.com/expressjs/express/releases/tag/5.0.0-beta.2","date":"2024-03-25T14:59:09Z","type":"prerelease","version":"5.0.0-beta.2"},{"url":"https://github.com/expressjs/express/releases/tag/4.19.1","date":"2024-03-25T14:31:15Z","type":"stable","version":"4.19.1"},{"url":"https://github.com/expressjs/express/releases/tag/4.19.0","date":"2024-03-20T16:43:00Z","type":"stable","version":"4.19.0"},{"url":"https://github.com/expressjs/express/releases/tag/4.18.3","date":"2024-02-29T11:44:48Z","type":"stable","version":"4.18.3"},{"url":"https://github.com/expressjs/express/releases/tag/4.18.2","date":"2022-10-08T20:12:36Z","type":"stable","version":"4.18.2"},{"url":"https://github.com/expressjs/express/releases/tag/4.18.1","date":"2022-04-29T19:32:52Z","type":"stable","version":"4.18.1"}]` | `[{"url":"https://github.com/quarkusio/quarkus/releases/tag/4.0.0.Beta1","date":"2026-10-01T07:36:05Z","type":"prerelease","version":"4.0.0.Beta1"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.40.1","date":"2026-09-30T11:20:54Z","type":"stable","version":"3.40.1"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.40.0","date":"2026-09-30T11:20:52Z","type":"stable","version":"3.40.0"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.39.5","date":"2026-09-23T17:00:57Z","type":"stable","version":"3.39.5"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.33.4","date":"2026-09-30T09:19:45Z","type":"stable","version":"3.33.4"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.27.6","date":"2026-09-30T09:33:02Z","type":"stable","version":"3.27.6"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.33.3.3","date":"2026-09-22T12:41:07Z","type":"stable","version":"3.33.3.3"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.27.5.3","date":"2026-09-22T12:34:20Z","type":"stable","version":"3.27.5.3"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.40.0.CR1","date":"2026-09-17T09:49:46Z","type":"prerelease","version":"3.40.0.CR1"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.39.4","date":"2026-09-17T09:47:20Z","type":"stable","version":"3.39.4"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.39.3","date":"2026-09-10T12:13:10Z","type":"stable","version":"3.39.3"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.33.3.2","date":"2026-09-03T14:54:19Z","type":"stable","version":"3.33.3.2"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.27.5.2","date":"2026-09-04T05:23:06Z","type":"stable","version":"3.27.5.2"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.39.2","date":"2026-09-03T11:02:26Z","type":"stable","version":"3.39.2"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.39.1","date":"2026-08-26T17:06:41Z","type":"stable","version":"3.39.1"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.39.0","date":"2026-08-26T17:06:40Z","type":"stable","version":"3.39.0"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.38.3","date":"2026-08-19T14:48:49Z","type":"stable","version":"3.38.3"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.39.0.CR1","date":"2026-08-12T15:26:51Z","type":"prerelease","version":"3.39.0.CR1"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.38.2","date":"2026-08-13T16:20:50Z","type":"stable","version":"3.38.2"},{"url":"https://github.com/quarkusio/quarkus/releases/tag/3.38.1","date":"2026-08-04T16:29:53Z","type":"stable","version":"3.38.1"}]` |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | yes |
| security.scorecard | 8.9 | 5.6 |
| security.trust_center | https://expressjs.com/en/advanced/security-updates | https://quarkus.io/security |
| security.vulnerabilities | `{"count":6,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=express&per_page=100","last_12m":1,"max_severity":"MODERATE"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=io.quarkus%3Aquarkus-arc&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Web Frameworks)

| Capability | Express | Quarkus |
|---|:--:|:--:|
| **Core** |  |  |
| Rendering model | - | - |
| File-based routing | ✗ | - |
| Language | JavaScript | Java |
| **Rendering** |  |  |
| Server components | ✗ | - |
| Streaming SSR | ✗ | - |
| **Fullstack** |  |  |
| Built-in API / backend routes | ✓ | ✓ |
| **DX** |  |  |
| First-class TypeScript | ✗ | - |
| Fast refresh / HMR | ✗ | ✓ |
| **Deployment** |  |  |
| Edge runtime support | ✗ | - |

*Source: vioscaleAI. Generated 2026-10-24T19:54:25.502Z. "-" = undocumented, not absent.*