Pi is a multi-tenant application development engine for cloud ready SaaS platform with support for SSO/OAuth. Pi Engine is developed in PHP and MySQL upon frameworks including Laminas Framework, jQuery, AngularJS, Bootstrap, CKEditor as well as icons by FontAwesome.

Pi Engine is an open source project and follows the philosophy of open standard, open design, open development and open management. Pi is born as a complete open source project and intended to build a sustainable ecosystem that benefits all contributors and users.

Pi Engine is developed by Pi Team initially as a successor to Xoops Project since 2001.

Check out Latest Release.


  1. Sustainable ecosystem: A sustainable ecosystem built upon open standard, open source code, open development and open management on Github.
  2. Engineered development: Quality ensured engineering development with short learning curve, low skill requirements with clean MVC architecture, semantic templating, sophisticated API and strict starndards.
  3. Visualized management: Easy and responsive application and content management based on visualized management tools and interface with page and widget mechanism.
  4. Agile workflow: Role oriented architecture and deployment skeleton supports manageable agile development workflow.

Features and practices

  • Multi-tenancy architecture and SSO/OAuth implementation
  • Modularization and built-in support for multi-layer customization
  • System components and services for fundamental functions
  • Theming for presentation and appearance
  • Design-friendly template engine
  • DevOps oriented deployment skeleton
  • Centralized security enhancement

Quick start


You may contribute to Pi Engine by working on Pi code and submit to Pi repo with Pull Request or submitting bug reports and feature requests to Issue Tracker.

Copyright and License

The Engine is released under a BSD 3-Clause License.


Coming soon demo sites with shared deployment