Rest API, Javascript, Spring Boot Boilerplates & Starter Kits

supastarter comes with all the features you need to build a scalable SaaS. We save you the time building the boilerplate and let you focus your core features. Utilizing the power of serverless it is also the perfect stack for bootstrappers and indie hackers!

Build unlimited SaaS products with any SaaS Starter Kit. Save months of work and focus on building a profitable business.

The ultimate block set for Shadcn UI & Tailwind

Ship Fast Mobile Apps

Best Crypto Buy/Sell Landing page

Make Your AI SaaS Product in a Weekend

Spring Boot production template for Java web apps with Docker deployment

Spring Boot + React portfolio showcasing charity, GitHub, and API integrations

Demo integrating Keycloak authentication between React frontend and Spring backend.

Polyglot monorepo blueprint for microservices with OpenAPI and CI/CD.

Spring Boot Java examples demonstrating microservices patterns and integrations.

Kotlin Spring Boot examples demonstrating templates, persistence, and build configurations.

Spring Boot starter for modular online file and media preview.

Spring Boot demo integrating third-party components and practical examples.

Java library and Spring Boot starter for customizable URL shortening.

Curated multi-language programming resources and beginner open-source contribution guide

Spring Boot and React starter for admin panels and small tools

Kotlin Gradle KTS boilerplate for multiplatform, JVM, JS, and native projects.

Java + Spring Boot platform for managing and diagnosing Java processes.

Spring Boot starter for monolithic web applications with authentication and Docker