Maestro is an open-source framework that makes UI and end-to-end testing for Android, iOS, and web apps simple and fast.
Write your first test in under five minutes using YAML flows and run them on any emulator, simulator, or browser.

A new kind of distributed database that runs across your frontend, containers, serverless functions and its own cloud.

It syncs data, files and LLM streams instantly and feels like reactive local JSON state.

Built-in auth, orgs, multiplayer, edit history, permissions, encryption, offline support and more.

Self-host or use Jazz Cloud for zero-config magic. Open source (MIT)

Open-source platform to build and deploy AI agent workflows.

Better Auth is a framework-agnostic authentication and authorization framework for TypeScript. It provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities. Whether you need 2FA, multi-tenancy, multi-session support, or even enterprise features like SSO, it lets you focus on building your application instead of reinventing the wheel.

Penpot is the first open-source design tool for design and code collaboration. Designers can create stunning designs, interactive prototypes, design systems at scale, while developers enjoy ready-to-use code and make their workflow easy and fast. And all of this with no handoff drama.

Available on browser or self-hosted, Penpot works with open standards like SVG, CSS, HTML and JSON, and it’s free!

Grist is a modern relational spreadsheet. It combines the flexibility of a spreadsheet with the robustness of a database.

Grafana k6 is an open-source, developer-friendly, and extensible load testing tool. k6 allows you to prevent performance issues and proactively improve reliability.

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

Capacitor is an open source native runtime for building Web Native apps. Create cross-platform iOS, Android, and Progressive Web Apps with JavaScript, HTML, and CSS.

Semgrep is a fast, open-source, static analysis tool that searches code, finds bugs, and enforces secure guardrails and coding standards. Semgrep supports 30+ languages and can run in an IDE, as a pre-commit check, and as part of CI/CD workflows.

Kestra is an open-source, event-driven orchestration platform that makes both scheduled and event-driven workflows easy. By bringing Infrastructure as Code best practices to data, process, and microservice orchestration, you can build reliable workflows directly from the UI in just a few lines of YAML.

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

Appwrite is an end-to-end backend server for Web, Mobile, Native, or Backend apps packaged as a set of Docker microservices. Appwrite abstracts the complexity and repetitiveness required to build a modern backend API from scratch and allows you to build secure apps faster.

Using Appwrite, you can easily integrate your app with user authentication and multiple sign-in methods, a database for storing and querying users and team data, storage and file management, image manipulation, Cloud Functions, and more services.

Mockoon is the easiest and quickest way to design and run mock APIs. No remote deployment, no account required, free and open-source.

Open-source feature management solution built for developers.

Danswer is the open source AI assistant connected to your company's docs, apps, and people.

Lightweight WASM Postgres with real-time, reactive bindings.

Figproxy is a tool that enables rapid prototyping of tangible user experiences allowing Figma prototypes to talk to the external world.
More specifically, it's a utility that allows bidirectional communication between Figma and physical hardware for prototyping interactions that involve screens and physical elements like motors, lights, sensors etc.
It's designed to talk to hardware prototyping platforms like Arduino.

Orchestra is an open-source for live music performances in metaverse environments. Orchestra includes components for live performances in A-Frame/NAF-based metaverse environments, with real-time streaming of volumetric video and audio, live coding and the integration of PureData for performances with virtual instruments and interactive algorithms.

UnoCSS is the instant atomic CSS engine, that is designed to be flexible and extensible. The core is un-opinionated and all the CSS utilities are provided via presets.