Complete foundation for
real business apps
Authentication, multi-tenant architecture, billing, plugins, and admin panels built-in. Focus on your business logic, not infrastructure.
Lightning Fast
Stack
Built on Go + Fiber, not Node.js
Go + Fiber backend is 10x faster than traditional stacks. SQLite for zero-config deployment. Deploy anywhere, scale everywhere with production-ready code.
True Multi-Tenant Architecture
Full organization isolation
Not just user accounts — full tenant isolation, per-tenant settings & customization, team member management built-in. Switch between organizations seamlessly.
Plugin System
Turn features on/off per tenant
Content management, invoicing, HR modules. Build your own plugins easily. No bloat — only use what you need.
Enterprise Admin Panel
Super admin & tenant admin dashboards
Database browser, billing & subscriptions (Stripe ready), email campaigns, feature flags, and full audit logging.
Tech Stack
Everything included out of the box:
Trusted by Fast-Moving Teams
We went from idea to paying customers in 3 weeks using Grmlin. The multi-tenant architecture saved us months of development.