🚀 Production-Ready Open-Source Foundation for Multi-Tenant SaaS Applications
SaaSBase is an open-source foundation application designed for building large-scale, enterprise-grade, multi-tenant SaaS applications. It is not industry-specific - anyone can use it as a foundation for their SaaS application, regardless of their business domain.
- ✅ Complete Foundation: Start with a production-ready base instead of building from scratch
- ✅ Multi-Tenant Ready: Built-in organization management and tenant isolation
- ✅ Enterprise-Grade: Designed for large-scale, production deployments
- ✅ Industry Agnostic: Use it for any business domain - healthcare, e-commerce, education, or any SaaS idea
- ✅ Open Source: Free to use, modify, and distribute under MIT License
- ✅ Production Ready: Includes security, scalability, and best practices out of the box
- 🏢 Startups building their first SaaS product
- 🏭 Enterprises needing a solid foundation for internal tools
- 👨💻 Developers who want to focus on business logic, not infrastructure
- 🚀 Teams launching multi-tenant SaaS applications quickly
SaaSBase provides a complete, production-grade foundation with enterprise features pre-built, allowing you to focus on your unique business logic. It includes:
- Clean architecture with separation of concerns
- Entity Framework Core for database operations
- PostgreSQL support by default (easily switchable to other databases)
- RESTful API design
- API versioning support
- Swagger/OpenAPI documentation
- Fully integrated with authentication and authorization
- Role-based UI components
- Modern, responsive design
- Standalone components architecture
- PostgreSQL by default
- Easily switchable to other databases (SQL Server, MySQL, etc.)
- Migration support
- Seed data for initial setup
- Role-Based Access Control (RBAC) fully implemented
- JWT token authentication
- Admin, Manager, User roles ready
- Permission management for granular access
- Multi-factor authentication (MFA) support
- Password policy enforcement
- Session management
.png)
- Redis integrated for caching frequently accessed data
- Response caching support
- Performance monitoring
- Complete multi-tenant architecture built from the ground up
- Organization-based tenant isolation at the data level
- Tenant context management throughout the application
- Scalable tenant management for large-scale deployments
- Organization hierarchy support (departments, locations, positions)
- Tenant-specific configurations and settings
- Default admin user & role seeded
- Organizational hierarchy support
- Configurable team / department structure
- Location management
- Position management
- Centralized logging with Serilog
- Action auditing for sensitive operations
- User activity tracking
- Audit trail support
- Service layer separation
- Dependency injection throughout
- Modular folder structure for scaling large projects
- Clean architecture principles
- Repository pattern
- Unit of Work pattern
- Menu management for dynamic navigation
- File upload and management
- Import/Export functionality
- Email service integration (SendGrid)
- SMS service support
- Notification templates
- Framework: .NET 7.0
- ORM: Entity Framework Core
- Database: PostgreSQL (default), easily switchable
- Authentication: JWT tokens
- API Documentation: Swagger/OpenAPI
- Logging: Serilog
- Caching: Redis
- Framework: Angular 17+
- Styling: SCSS with CSS variables
- Icons: Font Awesome
- State Management: RxJS
- Clean Architecture
- Repository Pattern
- Unit of Work Pattern
- Dependency Injection
- .NET 7.0 SDK or later
- Node.js 18+ and npm
- PostgreSQL (or your preferred database)
- Redis (for caching)
- Navigate to
SaaSBase.Apidirectory - Update
appsettings.jsonwith your database and Redis connection strings - Run migrations:
dotnet ef database update - Start the API:
dotnet run
- Navigate to
SaaSBase.Webdirectory - Install dependencies:
npm install - Update API endpoint in environment files if needed
- Start the development server:
npm start
- Email: admin@saasbase.com
- Password: Admin@123! (change on first login)
SaaSBase/
├── SaaSBase.Api/ # Web API project
│ ├── Controllers/ # API controllers
│ ├── Infrastructure/ # Middleware, filters
│ └── BackgroundServices/ # Background jobs
├── SaaSBase.Application/ # Application layer
│ ├── DTOs/ # Data transfer objects
│ ├── Services/ # Service interfaces
│ └── Implementations/ # Service implementations
├── SaaSBase.Domain/ # Domain models
│ └── Enums/ # Domain enumerations
├── SaaSBase.Infrastructure/ # Infrastructure layer
│ ├── Persistence/ # Database context, repositories
│ └── Services/ # Infrastructure services
└── SaaSBase.Web/ # Angular frontend
└── src/
├── app/
│ ├── core/ # Core services, guards
│ ├── features/ # Feature modules
│ └── shared/ # Shared components
- JWT-based authentication
- Role-based access control (RBAC)
- Multi-factor authentication
- Session management
- Password policies
- Data encryption at rest and in transit
- SQL injection prevention
- XSS protection
- CSRF protection
- Rate limiting
- API versioning
- Audit trail (User activity tracking)
- Access logging (User activity logs)
- Clean Architecture: Separation of concerns with Domain, Application, Infrastructure, and API layers
- Scalable Design: Built to handle enterprise-scale workloads
- Extensible: Easy to add custom features and business logic
- Maintainable: Well-structured codebase following best practices
- Testable: Architecture supports unit and integration testing
SaaSBase can be used as a foundation for:
- Healthcare SaaS: Patient management, clinic management systems
- E-commerce Platforms: Multi-vendor marketplaces, store management
- Education Platforms: Learning management systems, course platforms
- HR & Payroll: Employee management, payroll systems
- Project Management: Team collaboration, task management
- CRM Systems: Customer relationship management
- Any SaaS Idea: The foundation is domain-agnostic!
- Getting Started Guide
- Contributing Guidelines
- Security Policy
- Code of Conduct
- API Documentation (when running locally)
We welcome contributions! SaaSBase is an open-source project, and we're excited to have you contribute.
Please read our Contributing Guidelines to get started. Whether it's:
- 🐛 Reporting bugs
- 💡 Suggesting features
- 📝 Improving documentation
- 🔧 Submitting code changes
Every contribution makes SaaSBase better for everyone!
This project is licensed under the MIT License - see the LICENSE file for details.
You are free to:
- ✅ Use SaaSBase commercially
- ✅ Modify the code
- ✅ Distribute your modifications
- ✅ Use it as a foundation for your SaaS application
Security is important to us. If you discover a security vulnerability, please follow our Security Policy.
- Issues: GitHub Issues
- Discussions: GitHub Discussions
- Questions: Open an issue with the
questionlabel
Kawser Hamid
- 🌐 LinkedIn: @kawser2133
- ☕ Buy Me a Coffee: buymeacoffee.com/kawser
- 💻 GitHub: @kawser2133
- Enhanced documentation and tutorials
- More authentication providers (OAuth, SAML)
- Additional database providers
- Kubernetes deployment guides
- Performance optimization guides
- More example implementations
Thank you to all contributors who help make SaaSBase better!
Built with ❤️ for the open-source community
SaaSBase - Your foundation for building enterprise-grade, multi-tenant SaaS applications.
⭐ Star us on GitHub | 📖 Read the Docs | 🐛 Report Bug | 💡 Request Feature