head to head · open source
typeorm vs sequelize
typeorm has 36,665 GitHub stars, 6,694 forks, 646 open issues and last shipped 5 days ago. sequelize has 30,343 stars, 4,486 forks, 1,080 open issues and last shipped 2 days ago. typeorm leads on adoption by 21% (36,665 vs 30,343 stars). typeorm is written in TypeScript under MIT; sequelize is written in TypeScript under MIT. typeorm has attracted 18% as many forks as stars, sequelize 15%. sequelize was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 5 topic tags (javascript, mariadb, mysql, orm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| typeorm | sequelize | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 30K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-29 | 2026-11-01 |
| Forks | ⑂ 6.7K | ⑂ 4.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick typeorm if
- You weight community size — 37K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick sequelize if
- You want the sequelize feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and sequelize fits your workflow better
About typeorm
TypeORM is an ORM that can run in Node.js, Browser, Cordova, Ionic, React Native, NativeScript, Expo, and Electron platforms and can be used with TypeScript and JavaScript (ES2023). Its goal is to always support the latest JavaScript features and provide additional features that help you to develop any kind of application that uses databases from small applications with a few tables to large scale enterprise applications with multiple databases. TypeORM supports more databases than any other JS/TS ORM: Google Spanner, Microsoft SqlServer, MySQL/MariaDB, MongoDB, Oracle, Postgres, SAP HANA and SQLite, as well as…
read the full typeorm overview →
About sequelize
Sequelize Sequelize is an easy to use and promise based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, DB2, Microsoft SQL Server, Snowflake, Oracle DB and Db2 for IBM i. It features solid transaction support, relations, eager and lazy loading, read replication and more. Would you like to contribute? Read our contribution guidelines to know more. There are many ways to help! 😃 🚀 Seeking New Maintainers for Sequelize! 🚀 We're looking for new maintainers to help finalize and release the next major version of Sequelize! If you're passionate about open source and database ORMs, we'd love to have you…
read the full sequelize overview →
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Frequently asked questions
Is typeorm or sequelize more popular?
typeorm has 36,665 GitHub stars and sequelize has 30,343. typeorm has the larger community by that measure.
Are typeorm and sequelize free?
Both are open source. typeorm is licensed under MIT and sequelize under MIT. Neither carries a licence fee.
What is the difference between typeorm and sequelize?
typeorm is written in TypeScript and sequelize in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, typeorm or sequelize?
Choose typeorm if you want the larger community (36,665 stars) or its MIT licence terms. Choose sequelize if its feature set, stack or MIT licence fits better. Both are self-hostable.