# jOOQ vs Sequelize

**Leader by vioscaleAI score:** Sequelize

| Attribute | jOOQ | Sequelize |
|---|---|---|
| **vioscaleAI score** | 57.9 (39% (low)) | 75.7 (69% (medium)) |
| activity.commits_last_30d | 27 | 90 |
| adoption.dependent_repos | 4,667 | 193,226 |
| adoption.github_stars | 6,792 | 30,349 |
| adoption.package_downloads_weekly | - | 2,730,957 |
| content.faq | `[{"answer":"jOOQ creates Java code based on your database structure, enabling developers to write SQL queries with compile-time type checking. It supports multiple database backends and abstracts SQL dialect differences while preserving direct control over SQL generation. It is indexed under ORM & Database Tools.","source":"https://www.jooq.org","question":"What is jOOQ?","confidence":0.6},{"answer":"jOOQ offers a free tier, so you can start without paying. Paid plans start at €99 per developer workstation per year. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.jooq.org","question":"Is jOOQ free?","confidence":0.6},{"answer":"jOOQ is available worldwide. The vendor is headquartered in Switzerland.","source":"https://www.jooq.org","question":"Where is jOOQ available?","confidence":0.75}]` | `[{"answer":"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. It is indexed under ORM & Database Tools.","source":"https://sequelize.org","question":"What is Sequelize?","confidence":0.6},{"answer":"Sequelize 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://sequelize.org","question":"Is Sequelize free to use?","confidence":0.6},{"answer":"Sequelize supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://sequelize.org","question":"What platforms does Sequelize support?","confidence":0.6},{"answer":"Yes. Sequelize can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://sequelize.org","question":"Can Sequelize be self-hosted?","confidence":0.6},{"answer":"Yes. Sequelize 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/sequelize/sequelize","question":"Is Sequelize open source?","confidence":0.99}]` |
| deployment.options | - | `{"self_hosted":true}` |
| description.long | A code generator and embedded SQL library that provides a strongly-typed API for writing database queries in Java, preventing syntax errors and type mismatches at compile time. | Open-source object-relational mapper for Node.js and TypeScript that provides a unified interface for interacting with multiple relational databases. It includes features for managing relationships, transactions, and query optimization. |
| features.capabilities | `{"raw_sql":true,"multi_db":true,"languages":"Java","relations":true,"migrations":true,"studio_gui":false,"schema_first":true,"type_safe_queries":true,"connection_pooling":false}` | `{"multi_db":true,"languages":"JavaScript, TypeScript","relations":true,"migrations":true,"schema_first":true,"type_safe_queries":true}` |
| language.primary | Java | TypeScript |
| license.spdx | - | MIT |
| market.availability | `{"hqCountry":"CH","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"cli":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Open Source Edition","summary":"Free","features":["MySQL","PostgreSQL","SQLite","HSQLDB","ClickHouse (latest versions)"],"components":[{"kind":"fixed","amount":0}],"description":"Support for open source databases","contactSales":false},{"free":false,"name":"Professional Edition","summary":"99 € annually","features":["All open source databases","Oracle","SQL Server 2012+","MS Access","3 incidents per year support"],"components":[{"kind":"fixed","amount":99,"currency":"EUR"}],"description":"Adds Oracle, SQL Server, and MS Access support with basic support","contactSales":false},{"free":false,"name":"Enterprise Edition","summary":"399 € annually","features":["All open source databases","Multiple commercial databases","10 incidents per year support"],"components":[{"kind":"fixed","amount":399,"currency":"EUR"}],"description":"Support for multiple commercial databases with premium support","contactSales":false},{"free":false,"name":"Enterprise Edition (All Databases)","summary":"799 € annually","features":["All databases including Aurora, Azure, Databricks, Teradata, Sybase"],"components":[{"kind":"fixed","amount":799,"currency":"EUR"}],"description":"Complete support for all commercial databases","contactSales":false}],"summary":"Free open source edition; commercial plans from 99 € annually with volume discounts and custom options available","currency":"EUR","freeTier":true,"sourceUrl":"https://www.jooq.org","retrievedAt":"2026-10-13T13:57:12.211Z","startingPrice":{"amount":99,"currency":"EUR"}}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://sequelize.org","retrievedAt":"2026-08-14T21:37:06.541Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | high | free |
| pricing.starting_price | `{"amount":99,"currency":"EUR"}` | - |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 20 |
| release.history | `[{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.21.9","date":"2026-09-25T07:58:44Z","type":"stable","version":"version-3.21.9"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.20.20","date":"2026-09-25T07:59:13Z","type":"stable","version":"version-3.20.20"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.19.39","date":"2026-09-25T07:59:38Z","type":"stable","version":"version-3.19.39"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.21.8","date":"2026-09-04T15:23:17Z","type":"stable","version":"version-3.21.8"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.20.19","date":"2026-09-04T15:23:52Z","type":"stable","version":"version-3.20.19"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.19.38","date":"2026-09-04T15:24:22Z","type":"stable","version":"version-3.19.38"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.21.7","date":"2026-08-04T13:24:23Z","type":"stable","version":"version-3.21.7"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.20.18","date":"2026-08-04T13:25:01Z","type":"stable","version":"version-3.20.18"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.19.37","date":"2026-08-04T13:25:34Z","type":"stable","version":"version-3.19.37"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.21.6","date":"2026-06-15T15:29:34Z","type":"stable","version":"version-3.21.6"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.20.17","date":"2026-06-15T15:29:58Z","type":"stable","version":"version-3.20.17"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.19.36","date":"2026-06-15T15:30:40Z","type":"stable","version":"version-3.19.36"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.21.5","date":"2026-06-04T13:27:30Z","type":"stable","version":"version-3.21.5"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.20.16","date":"2026-06-04T13:28:44Z","type":"stable","version":"version-3.20.16"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.19.35","date":"2026-06-04T13:29:14Z","type":"stable","version":"version-3.19.35"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.21.4","date":"2026-05-12T13:26:03Z","type":"stable","version":"version-3.21.4"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.20.15","date":"2026-05-12T13:26:29Z","type":"stable","version":"version-3.20.15"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.19.34","date":"2026-05-12T13:26:57Z","type":"stable","version":"version-3.19.34"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.21.3","date":"2026-05-05T11:06:10Z","type":"stable","version":"version-3.21.3"},{"url":"https://github.com/jOOQ/jOOQ/releases/tag/version-3.20.14","date":"2026-05-05T11:06:40Z","type":"stable","version":"version-3.20.14"}]` | `[{"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 | 5.5 | 6.8 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.jooq%3Ajooq&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 | jOOQ | Sequelize |
|---|:--:|:--:|
| **Core** |  |  |
| Type-safe queries | ✓ | ✓ |
| Schema migrations | ✓ | ✓ |
| Relations / joins API | ✓ | ✓ |
| Languages | Java | JavaScript, TypeScript |
| **Modelling** |  |  |
| Schema-first modelling | ✓ | ✓ |
| **Flexibility** |  |  |
| Raw SQL escape hatch | ✓ | - |
| **Portability** |  |  |
| Multiple database backends | ✓ | ✓ |
| **Ops** |  |  |
| Connection pooling | ✗ | - |
| **DX** |  |  |
| Data browser / studio | ✗ | - |

*Source: vioscaleAI. Generated 2026-10-16T07:13:50.357Z. "-" = undocumented, not absent.*