head to head · open source
Twenty vs oms-erp
Twenty has 56,947 GitHub stars, 9,143 forks, 205 open issues and last shipped yesterday. oms-erp has 1,927 stars, 358 forks, 1 open issues and last shipped 9 months ago. Twenty leads on adoption by 2,855% (56,947 vs 1,927 stars). Twenty is written in TypeScript under a custom or non-standard licence; oms-erp is written in Java under Apache-2.0. Twenty has attracted 16% as many forks as stars, oms-erp 19%. Twenty was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (crm), 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
| Twenty | oms-erp | |
|---|---|---|
| GitHub stars | ★ 57K | ★ 1.9K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-09-17 | 2025-12-24 |
| Forks | ⑂ 9.1K | ⑂ 358 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Twenty if
- You weight community size — 57K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick oms-erp if
- You want the oms-erp feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and oms-erp fits your workflow better
About Twenty
Twenty is an open source CRM platform built for technical teams that need to design and deploy custom customer relationship management systems without vendor lock in. It provides a framework for defining data models, views, workflows, and AI powered agents entirely as code, enabling full version control and integration into existing development pipelines. The project lives in the JavaScript/TypeScript ecosystem and uses modern tooling including NestJS, React, PostgreSQL, and Redis.
read the full Twenty overview →
About oms-erp
oms erp is an Apache 2.0 licensed Java project in the Spring Cloud, Kubernetes, and business software ecosystem. It describes itself as a one stop omnichannel business middle platform system with OMS/e commerce ERP, unified inventory WMS, and SAP financial management components. The repository is categorized as Business Software / CRM & Sales, with topics including CRM, ERP, TMS, WMS, Nacos, and omni channel.
read the full oms-erp overview →
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Frequently asked questions
Is Twenty or oms-erp more popular?
Twenty has 56,947 GitHub stars and oms-erp has 1,927. Twenty has the larger community by that measure.
Are Twenty and oms-erp free?
Both are open source. Twenty has no licence declared in this registry, and oms-erp is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Twenty and oms-erp?
Twenty is written in TypeScript and oms-erp in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Twenty or oms-erp?
Choose Twenty if you want the larger community (56,947 stars) or its Custom / other licence terms. Choose oms-erp if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.