The best open source alternative to Juno is PocketBase. If that doesn't suit you, we've compiled a ranked list of other open source Juno alternatives to help you find a suitable replacement. Other interesting open source alternatives to Juno are: Appwrite and Bknd.
Juno alternatives are mainly Backend-as-a-Service (BaaS) Tools but may also be PaaS & Deployment Tools. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Juno.
A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.

PocketBase is a revolutionary open-source backend solution that simplifies application development by providing a powerful, all-in-one platform. Packaged as a single executable file, it offers a real-time database, authentication system, and file storage, making it an ideal choice for developers seeking efficiency and ease of use.
Key benefits of PocketBase include:
PocketBase empowers developers to build feature-rich applications without the complexity of traditional backend setups. Its lightweight nature and comprehensive feature set make it an excellent choice for both beginners and experienced developers looking to streamline their development process.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
Open-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.

Appwrite is a comprehensive open-source development platform that provides everything developers need to build and scale applications efficiently. The platform combines backend infrastructure, web hosting, and security features in a single, unified solution.
Key benefits include:
The platform has helped companies like DevKind reduce development time by 60% and K-Collect cut infrastructure costs by 700%. With thousands of developers already using Appwrite, it's trusted by organizations worldwide for both passion projects and enterprise applications.
Pricing options range from free for small projects to custom enterprise solutions, making it accessible for teams of any size. The platform's Swiss Army Knife approach lets you choose and use only the tools you need, reducing complexity while maintaining powerful functionality.
Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.

BKND is a comprehensive backend solution designed for modern developers who need flexibility without complexity. This lightweight Firebase alternative provides all essential backend services while maintaining the freedom to deploy anywhere.
Core Features:
Built for Modern Development:
The platform offers complete extensibility through its workflow builder, allowing you to inject custom logic into system events. As an open source solution, you maintain full control over your backend while benefiting from community contributions.
Get started instantly with npx bknd@latest run and experience a backend that adapts to your needs, not the other way around.