head to head · open source
sequelize vs knex
sequelize has 30,343 GitHub stars, 4,486 forks, 1,080 open issues and last shipped 2 days ago. knex has 20,341 stars, 2,233 forks, 751 open issues and last shipped 4 months ago. sequelize leads on adoption by 49% (30,343 vs 20,341 stars). sequelize is written in TypeScript under MIT; knex is written in JavaScript under MIT. sequelize has attracted 15% as many forks as stars, knex 11%. sequelize was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (javascript, mysql, postgresql), 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
| sequelize | knex | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 20K |
| License | MIT | MIT |
| Written in | TypeScript | JavaScript |
| Last push | 2026-11-01 | 2026-06-26 |
| Forks | ⑂ 4.5K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick sequelize if
- You weight community size — 30K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick knex if
- You want the knex feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and knex fits your workflow better
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 →
About knex
knex.js A SQL query builder that is flexible , portable , and fun to use! A batteries included, multi dialect (PostgreSQL, MariaDB, MySQL, CockroachDB, MSSQL, SQLite3, Oracle (including Oracle Wallet Authentication)) query builder for Node.js, featuring: transactions connection pooling streaming queries both a promise and callback API a thorough test suite Node.js versions 16+ are supported. Take a look at the full documentation to get started! Browse the list of plugins and tools built for knex Check out our recipes wiki to search for solutions to some specific problems In case of upgrading from an older…
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Frequently asked questions
Is sequelize or knex more popular?
sequelize has 30,343 GitHub stars and knex has 20,341. sequelize has the larger community by that measure.
Are sequelize and knex free?
Both are open source. sequelize is licensed under MIT and knex under MIT. Neither carries a licence fee.
What is the difference between sequelize and knex?
sequelize is written in TypeScript and knex in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, sequelize or knex?
Choose sequelize if you want the larger community (30,343 stars) or its MIT licence terms. Choose knex if its feature set, stack or MIT licence fits better. Both are self-hostable.