# Flyway vs Sequelize

**Leader by Vioscale score:** Sequelize

| Attribute | Flyway | Sequelize |
|---|---|---|
| **Vioscale score** | 57.7 (54% (medium)) | 73.7 (72% (medium)) |
| activity.commits_last_30d | 4 | 7 |
| adoption.dependent_repos | 30,708 | 193,226 |
| adoption.github_stars | 10,029 | 30,377 |
| adoption.package_downloads_weekly | - | 2,842,247 |
| deployment.options | `{"on_prem":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An industry-proven tool that simplifies database migration management using SQL scripts, supporting both command-line and graphical interfaces for organizing and deploying schema changes | Sequelize is an ORM that bridges JavaScript and TypeScript applications with multiple relational databases including PostgreSQL, MySQL, MariaDB, SQLite, Oracle, SQL Server, Snowflake, and DB2. It provides declarative schema modeling, relationship definitions, transaction support, and flexible data loading strategies. |
| features.capabilities | `{"raw_sql":true,"multi_db":true,"languages":"Java; Maven/Gradle plugins; integrations for multiple build frameworks","migrations":true,"studio_gui":true,"schema_first":true}` | `{"multi_db":true,"languages":"JavaScript, TypeScript","relations":true,"migrations":true,"schema_first":true,"type_safe_queries":true}` |
| integrations.count | 13 | - |
| integrations.list | `[{"name":"Maven"},{"name":"Gradle"},{"name":"SBT"},{"name":"Ant"},{"name":"Spring Boot"},{"name":"Grails"},{"name":"Play!"},{"name":"DropWizard"},{"name":"Grunt"},{"name":"Griffon"},{"name":"Ninja"},{"name":"SQL Fluff"}]` | - |
| language.primary | Java | TypeScript |
| license.spdx | Apache-2.0 | MIT |
| market.availability | `{"hqCountry":"GB","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true}` |
| pricing | `{"type":"freemium","plans":[{"free":true,"name":"Community","description":"Open source database migrations tool for individual developers"},{"free":false,"name":"Enterprise","description":"Enterprise-grade solution with GUI and advanced database change management capabilities","contactSales":true}],"summary":"Free open-source Community edition; Enterprise edition available","freeTier":true,"sourceUrl":"https://flywaydb.org","retrievedAt":"2026-08-14T16:43:41.014Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://sequelize.org","retrievedAt":"2026-08-14T21:37:06.541Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| pricing.transparent | no | yes |
| release.cadence_days | 8 | 20 |
| release.history | `[{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.4.0","date":"2026-08-26T09:33:11Z","type":"stable","version":"flyway-13.4.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.3.0","date":"2026-08-13T10:11:06Z","type":"stable","version":"flyway-13.3.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.2.0","date":"2026-08-06T12:28:43Z","type":"stable","version":"flyway-13.2.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.1.0","date":"2026-07-30T10:24:53Z","type":"stable","version":"flyway-13.1.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.0.0","date":"2026-07-20T10:06:53Z","type":"stable","version":"flyway-13.0.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.11.0","date":"2026-07-09T09:52:28Z","type":"stable","version":"flyway-12.11.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.10.0","date":"2026-06-30T09:40:08Z","type":"stable","version":"flyway-12.10.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.9.0","date":"2026-06-18T09:50:30Z","type":"stable","version":"flyway-12.9.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.8.1","date":"2026-06-05T10:18:27Z","type":"stable","version":"flyway-12.8.1"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.8.0","date":"2026-06-04T10:34:46Z","type":"stable","version":"flyway-12.8.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.7.0","date":"2026-05-29T10:16:56Z","type":"stable","version":"flyway-12.7.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.6.2","date":"2026-05-21T09:59:24Z","type":"stable","version":"flyway-12.6.2"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.6.1","date":"2026-05-12T10:25:44Z","type":"stable","version":"flyway-12.6.1"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.6.0","date":"2026-05-08T09:57:15Z","type":"stable","version":"flyway-12.6.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.5.0","date":"2026-04-27T10:36:12Z","type":"stable","version":"flyway-12.5.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.4.0","date":"2026-04-14T09:50:17Z","type":"stable","version":"flyway-12.4.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.3.0","date":"2026-03-31T13:52:07Z","type":"stable","version":"flyway-12.3.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.2.0","date":"2026-03-26T11:24:28Z","type":"stable","version":"flyway-12.2.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.1.1","date":"2026-03-17T15:26:22Z","type":"stable","version":"flyway-12.1.1"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.1.0","date":"2026-03-09T12:05:38Z","type":"stable","version":"flyway-12.1.0"}]` | `[{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.8","date":"2026-03-07T18:44:44Z","type":"stable","version":"v6.37.8"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.48","date":"2026-02-04T13:52:17Z","type":"prerelease","version":"v7.0.0-alpha.48"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.47","date":"2025-10-25T08:02:02Z","type":"prerelease","version":"v7.0.0-alpha.47"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.7","date":"2025-03-28T11:35:01Z","type":"stable","version":"v6.37.7"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.46","date":"2025-03-22T20:59:50Z","type":"prerelease","version":"v7.0.0-alpha.46"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.6","date":"2025-03-04T10:38:26Z","type":"stable","version":"v6.37.6"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.45","date":"2025-02-17T13:59:21Z","type":"prerelease","version":"v7.0.0-alpha.45"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.44","date":"2025-01-27T07:32:05Z","type":"prerelease","version":"v7.0.0-alpha.44"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.5","date":"2024-10-25T12:30:39Z","type":"stable","version":"v6.37.5"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.43","date":"2024-10-04T14:13:01Z","type":"prerelease","version":"v7.0.0-alpha.43"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.4","date":"2024-10-04T14:21:15Z","type":"stable","version":"v6.37.4"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.42","date":"2024-09-13T13:40:39Z","type":"prerelease","version":"v7.0.0-alpha.42"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.41","date":"2024-05-17T14:56:35Z","type":"prerelease","version":"v7.0.0-alpha.41"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.3","date":"2024-04-13T20:54:30Z","type":"stable","version":"v6.37.3"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.40","date":"2024-04-11T17:31:50Z","type":"prerelease","version":"v7.0.0-alpha.40"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.2","date":"2024-03-29T18:55:34Z","type":"stable","version":"v6.37.2"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.39","date":"2024-03-22T17:25:56Z","type":"prerelease","version":"v7.0.0-alpha.39"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.38","date":"2024-03-19T08:38:28Z","type":"prerelease","version":"v7.0.0-alpha.38"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.37","date":"2024-02-10T13:55:26Z","type":"prerelease","version":"v7.0.0-alpha.37"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.1","date":"2024-02-18T00:44:09Z","type":"stable","version":"v6.37.1"}]` |
| security.disclosure_policy | - | yes |
| security.scorecard | 4.7 | 6.7 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.flywaydb%3Aflyway-core&per_page=100","last_12m":0,"max_severity":null}` | `{"count":19,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=sequelize&per_page=100","last_12m":2,"max_severity":"CRITICAL"}` |

## Capabilities (ORM & Database Tools)

| Capability | Flyway | Sequelize |
|---|:--:|:--:|
| **Core** |  |  |
| Type-safe queries | - | ✓ |
| Schema migrations | ✓ | ✓ |
| Relations / joins API | - | ✓ |
| Languages | Java; Maven/Gradle plugins; integrations for multiple build frameworks | JavaScript, TypeScript |
| **Modelling** |  |  |
| Schema-first modelling | ✓ | ✓ |
| **Flexibility** |  |  |
| Raw SQL escape hatch | ✓ | - |
| **Portability** |  |  |
| Multiple database backends | ✓ | ✓ |
| **Ops** |  |  |
| Connection pooling | - | - |
| **DX** |  |  |
| Data browser / studio | ✓ | - |

*Source: Vioscale. Generated 2026-09-01T16:47:39.184Z. "-" = undocumented, not absent.*