head to head · open source
EspoCRM vs oms-erp
EspoCRM has 3,498 GitHub stars, 1,011 forks, 69 open issues and last shipped yesterday. oms-erp has 1,928 stars, 363 forks, 1 open issues and last shipped 10 months ago. EspoCRM leads on adoption by 81% (3,498 vs 1,928 stars). EspoCRM is written in PHP under AGPL-3.0; oms-erp is written in Java under Apache-2.0. EspoCRM has attracted 29% as many forks as stars, oms-erp 19%. EspoCRM 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
| EspoCRM | oms-erp | |
|---|---|---|
| GitHub stars | ★ 3.5K | ★ 1.9K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | PHP | Java |
| Last push | 2026-10-19 | 2025-12-24 |
| Forks | ⑂ 1.0K | ⑂ 363 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick EspoCRM if
- You weight community size — 3.5K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches PHP
- 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 EspoCRM
EspoCRM EspoCRM is a free, open source CRM platform designed to help organizations build and maintain strong customer relationships. It provides a wide range of tools to store, organize, and manage leads, contacts, sales opportunities, marketing campaigns, support cases, and more – all business information in a simple and intuitive interface. Architecture EspoCRM is a web application with a frontend designed as a single page application and a REST API backend written in PHP. Demo You can try the CRM on an online demo. Requirements PHP 8.3 8.5; MySQL 8.0 (and later), or MariaDB 10.3 (and later); PostgreSQL 15…
read the full EspoCRM overview →
About oms-erp
English 简体中文 🔺开源的新零售业务中台OMS 🔺介绍 帮助企业和个人解决以下的问题 🔺软件展示和业务架构 业务架构 通过汇总源于京东、淘宝、天猫、抖音和拼多多等渠道订单，并在业务中台内部转化成内部订单，整合订单中心和采购中心与库存中心、财务中心的业务流程，使企业的订单、库存和财务三方数据形成铁三角。 技术架构 基于spring cloud 微服务框架 支持多租户体系 微服务工作流Zeebe和activiti 报表自定义等功能，除了上述的应用功能，还将Redis、MyBatis、分布式事务saga、分布式锁和检索等一系列服务组件化，便于二次开发。 🔺特技 云原生 开发 部署 测试 使用说明 🔺联系方式和试用 🔺安装教程 暂无 🔺使用说明 暂无 🔺参与贡献 暂无
read the full oms-erp overview →
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Frequently asked questions
Is EspoCRM or oms-erp more popular?
EspoCRM has 3,498 GitHub stars and oms-erp has 1,928. EspoCRM has the larger community by that measure.
Are EspoCRM and oms-erp free?
Both are open source. EspoCRM is licensed under AGPL-3.0 and oms-erp under Apache-2.0. Neither carries a licence fee.
What is the difference between EspoCRM and oms-erp?
EspoCRM is written in PHP 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, EspoCRM or oms-erp?
Choose EspoCRM if you want the larger community (3,498 stars) or its AGPL-3.0 licence terms. Choose oms-erp if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.