EXPRESSbase is an open-source, Low-Code Rapid application development platform on the cloud for fast-growing SME (Small to Mid-sized business) to build & run internal process apps on web/mobile 10x faster. It is a truly multi-tenant, multi-database, cloud-native platform developed using micro-services architecture (not truly micro-services yet :D).
EXPRESSbase has all the components to build huge, comprehensive internal business process apps - web & mobile. WebForm builder, MobilePage builder, Table/Chart/Map View builder, Dashboard builder, PDF builder, Email & SMS builders, Workflow/API builder, etc. It is still a work in progress, and a long way to go!
- .NET Core
- ServiceStack.NET
- PostgreSQL
- Npgsql
- Redis - Caching & Server Events
- RabbitMQ - Message Queue
- Quartz.NET - Scheduler
- iTextSharp - Data-driven PDF generation
- Xamarin - Mobile
ExpressBase is an open-source low-code platform for rapidly building and deploying internal process applications on web and mobile.
It enables businesses to create custom workflows, forms, and reporting apps without writing boilerplate code — powered by modern .NET and PostgreSQL.
We started building ExpressBase in late 2016, adopting .NET Core and ServiceStack.NET.
Our goal is to make enterprise app development 10× faster while staying fully open-source and community-driven.
- 🧑💻 Built with .NET Core and ServiceStack
- 🐘 Backed by PostgreSQL
- ⚖️ Licensed under GPL v3 (moving to AGPL soon)
- 💡 Planning deep AI integration to supercharge app creation
🫶 ExpressBase is built and maintained by a small independent team that believes open-source innovation can level the playing field for businesses worldwide. If you’d like to contribute, please check out our issues or join our discussions.