head to head · open source
sequelize vs ubicloud
sequelize has 30,360 GitHub stars, 4,343 forks, 1,080 open issues and last shipped today. ubicloud has 12,270 stars, 587 forks, 95 open issues and last shipped 2 days ago. sequelize leads on adoption by 147% (30,360 vs 12,270 stars). sequelize is written in TypeScript under MIT; ubicloud is written in Ruby under AGPL-3.0. sequelize has attracted 14% as many forks as stars, ubicloud 5%. sequelize was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | ubicloud | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 12K |
| License | MIT | AGPL-3.0 |
| Written in | TypeScript | Ruby |
| Last push | 2026-09-20 | 2026-09-18 |
| Forks | ⑂ 4.3K | ⑂ 587 |
| 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 ubicloud if
- You want the ubicloud feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Ruby
- You evaluated both and ubicloud fits your workflow better
About sequelize
Sequelize is a promise based object relational mapping tool for Node.js, written in TypeScript and distributed under the MIT license. It maps JavaScript and TypeScript objects onto relational tables, so application code works with models and relations instead of hand written SQL strings. The package is published on npm as @sequelize/core , documentation lives at sequelize.org, and the project has existed for roughly sixteen years with about 30,000 stars and 4,300 forks on GitHub. It belongs to the Node.js ecosystem, where it occupies the ORM layer between an application and its database driver.…
read the full sequelize overview →
About ubicloud
Ubicloud is an open source cloud platform that delivers IaaS features — elastic compute, non replicated block storage, firewall and load balancer, managed Postgres, Kubernetes, AI inference, and IAM services — on bare metal hardware, for teams that want public cloud convenience without closed source lock in or premium rental pricing.
read the full ubicloud overview →
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Frequently asked questions
Is sequelize or ubicloud more popular?
sequelize has 30,360 GitHub stars and ubicloud has 12,270. sequelize has the larger community by that measure.
Are sequelize and ubicloud free?
Both are open source. sequelize is licensed under MIT and ubicloud under AGPL-3.0. Neither carries a licence fee.
What is the difference between sequelize and ubicloud?
sequelize is written in TypeScript and ubicloud in Ruby. 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 ubicloud?
Choose sequelize if you want the larger community (30,360 stars) or its MIT licence terms. Choose ubicloud if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.