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Penpot: The open-source design platform for Product teams that need scalable collaboration.

https://arxiv.org/abs/2606.28344. The end of web parsing. The beginning of scalable pixel-native search. link: https://pixelrag.ai/

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

Orchestrate everything, everywhere. The open-source control plane for workflows across data, infrastructure, business processes and AI agents. Declarative YAML, event-driven, any language, Git-versioned, scalable to millions of executions.

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

Memory and context engine + app that is extremely fast, scalable, and can be run fully locally. The Memory API for the AI era.

Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.

Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.

⚙️🦀 Build modular and scalable LLM Applications in Rust

⭐️ A friendly language for building type-safe, scalable systems!

This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.

The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles

A scalable, distributed, collaborative, document-graph database, for the realtime web

a fast, scalable, multi-language and extensible build system

A scalable generative AI framework built for researchers and developers working on Large Language Models, Multimodal, and Speech AI (Automatic Speech Recognition and Text-to-Speech)

A scalable overlay networking tool with a focus on performance, simplicity and security

Slurm: A Highly Scalable Workload Manager

A progressive TypeScript framework for Node.js backends: from a small API in one file to efficient, scalable, enterprise-grade systems 🚀

Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.

Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably, socket.io, Phoenix.PubSub, SignalR. Set up once and forever.

Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C and more. Runs on single machine, Hadoop, Spark, Dask, Flink and DataFlow

Scalable and user friendly neural :brain: forecasting algorithms.

Scalable datastore for metrics, events, and real-time analytics

Write scalable load tests in plain Python 🚗💨

A fast, scalable, high performance Gradient Boosting on Decision Trees library, used for ranking, classification, regression and other machine learning tasks for Python, R, Java, C++. Supports computation on CPU and GPU.

Lucee is a high-performance, open-source CFML server written in Java. Supporting JDBC, Caching, Parallelism, HTTP, ORM, REST, S3 and dynamic Java integration, Lucee is great for developers aiming to build fast, scalable applications, delivering faster startup, rapid compilation and better runtime performance.

A Python-embedded DSL that makes it easy to write fast, scalable ML kernels with minimal boilerplate.

Engineering toolkit for building scalable AI systems, including model training pipelines, LLM optimization utilities, and data engineering tools.

httpx.zig is a production-ready, high-performance HTTP client and server library for Zig, designed for building modern, robust, and scalable networked applications.