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A 3D JavaScript engine for Canvas and SVG that renders shapes with a flat illustrative style, giving designers a simple API to create rotatable pseudo-3D graphics without WebGL.

Apache ShenYu is a Java-native API gateway with a plugin-based architecture supporting HTTP, gRPC, WebSocket, MQTT, and Dubbo protocols for microservice traffic management.

A TypeScript-first framework for building cross-browser extensions with hot reload, auto-imports, and built-in support for Chrome, Firefox, Safari, and Edge from a single codebase.

Chat UI is Hugging Face's open-source web interface for conversational AI, powering HuggingChat and supporting any text-generation model via TGI, Ollama, or OpenAI-compatible APIs with features like web search, tool use, and multimodal input.

Resilience4j is a lightweight fault tolerance library for Java applications, providing circuit breaker, rate limiter, retry, bulkhead, and time limiter patterns with a functional programming model.

A fast analysis tool that scans JavaScript and TypeScript projects to detect unused files, dependencies, exports, types, and duplicate packages, helping teams keep codebases lean.

The standard Rust framework for serializing and deserializing data structures efficiently and generically across formats like JSON, TOML, YAML, MessagePack, and more.

A Markdown-based presentation ecosystem with a CLI, VS Code extension, and browser-based engine that converts Markdown files into HTML, PDF, and PowerPoint slide decks.

A mature Python-based web path scanner for discovering hidden directories and files on web servers during penetration testing.

Micrometer is a vendor-neutral application observability facade for the JVM that provides a simple API for collecting metrics and exporting them to monitoring systems like Prometheus, Datadog, and Grafana.

Spring Cloud Gateway is a reactive API gateway built on Spring WebFlux that provides routing, filtering, rate limiting, and circuit breaking for Spring Boot microservice architectures.

Ddosify is a high-performance load testing tool written in Go that supports HTTP, HTTPS, HTTP/2, gRPC, and GraphQL protocols, with scenario-based testing and distributed execution.

Zettlr is a cross-platform Markdown editor designed for researchers and writers, combining distraction-free writing with citation management, Zettelkasten note-linking, and academic export via Pandoc.

A Git-compatible source control client designed for large monorepos, featuring a smartlog for visualizing stacked changes, interactive split, and first-class support for stacked diffs workflows.

orjson is a high-performance JSON library for Python written in Rust, offering 3-10x faster serialization and deserialization than the standard library json module with native support for dataclasses, datetimes, and NumPy arrays.

Pendulum is a drop-in replacement for Python's datetime module that provides a cleaner API for timezone handling, duration arithmetic, and human-friendly formatting.

Trio is a Python async/await library that makes concurrent I/O programming easy, correct, and pleasant by enforcing structured concurrency where every task has a well-defined lifetime and clean error propagation.

Hypothesis is a Python testing library that generates test cases automatically based on specifications you define, finding edge cases that hand-written tests miss.

An open-source vector graphics scripting framework that runs on top of the HTML5 Canvas, offering a clean scene graph, powerful path manipulation, and PaperScript for concise creative coding.

A portable command-line reverse engineering framework providing disassembly, debugging, binary analysis, and patching across dozens of architectures.

A Rust implementation of gRPC built on top of Hyper and Tower, providing async client and server stubs, streaming, TLS, interceptors, and load balancing out of the box.

Polybar is a lightweight status bar for Linux window managers that uses simple INI-style configuration to display workspaces, system metrics, notifications, and custom scripts.

A high-performance headless browser written in Rust, designed specifically for AI agent workflows and large-scale web scraping with built-in stealth and anti-detection capabilities.

An open-source memory system that replaces complex RAG pipelines with a single-file, serverless memory layer providing instant retrieval and long-term storage for AI agents.

An open-source document extraction framework that pulls text, metadata, images, and structured data from PDFs, Office files, images, and 97+ formats, with bindings for 11 programming languages.

A flexible open-source framework for managing multiple AI agents that intelligently routes conversations to specialized agents based on context, supporting both Python and TypeScript.

Arkade is a portable marketplace for downloading and installing Kubernetes apps and developer CLI tools with a single command, simplifying cluster bootstrapping and local development setup.

A high-performance 2D drawing library for the HTML5 Canvas that provides a scene graph, event handling, drag-and-drop, and layering for building rich interactive graphics.

A privacy-first, local-first meeting note application built with Rust and Tauri that transcribes, summarizes, and organizes your meetings without sending data to the cloud.

A fully featured graph theory library for the web that renders interactive network diagrams with built-in layout algorithms, styling, and graph analysis functions.

A JavaScript library and CLI that transforms Markdown documents into interactive, zoomable mindmap visualizations rendered as SVG in the browser.

A developer environment tool built on Nix that lets you define languages, services, and processes in a single file, producing instant, reproducible environments without containers.

A single-function animation utility that automatically transitions DOM elements when they are added, removed, or moved, requiring no configuration and working with any JavaScript framework.

A simple self-hosted OpenID Connect provider that lets users authenticate to services using passkeys and biometrics instead of passwords.

A self-hosted secure access platform built on WireGuard that provides zero-trust network access with identity-based policies and a web management portal.

A purely functional package manager that ensures reproducible builds and atomic upgrades across Linux and macOS, powering NixOS and developer environments.

KoboldCpp is a self-contained local LLM inference engine that runs GGUF models with GPU acceleration on consumer hardware, providing an OpenAI-compatible API and built-in web UI without requiring Python or complex setup.

A version control system that combines the best ideas from Git, Mercurial, and Pijul with automatic rebasing, first-class conflicts, and a working-copy-as-commit model.

A cross-platform dynamic instrumentation toolkit that lets you inject JavaScript into native apps on Windows, macOS, Linux, iOS, and Android.

A text-based diagramming tool that converts simple markup into sequence, class, activity, component, and many other UML and non-UML diagram types.

An Apache 2.0 licensed multi-platform 3D engine from the Linux Foundation, designed for building AAA games, cinema-quality worlds, and high-fidelity simulations.

Sway is a drop-in replacement for the i3 window manager that runs on Wayland, providing tiling layouts, workspaces, and full i3 config compatibility on the modern Linux display stack.

An open-source enterprise CMS and application framework that deploys to your own AWS account using serverless infrastructure with full content management and page building.

An OWASP project for network mapping and external asset discovery using open source intelligence gathering and active reconnaissance techniques.

SFTPGo is a full-featured SFTP, FTP/S, WebDAV, and HTTP/S file server written in Go, supporting virtual folders, multiple storage backends including S3 and GCS, and a web admin interface for user and quota management.

An open-source database management tool supporting MySQL, PostgreSQL, SQL Server, MongoDB, SQLite, and more with a modern tabbed interface for queries, data editing, and schema browsing.

Transfer.sh is a lightweight file sharing service that lets you upload files from the terminal with a single curl command and share them via auto-generated URLs, supporting encryption, expiration, and multiple storage backends.

Heyform is a self-hosted form builder that creates engaging conversational forms with conditional logic, integrations, and analytics, offering a free alternative to Typeform for surveys, quizzes, and data collection.

MaxKB is an open-source knowledge base platform that combines document management with retrieval-augmented generation, letting teams build AI-powered Q&A systems over their own documents without sending data to third parties.

Ranger is a console file manager with vi-style key bindings, file previews, and a multi-column directory layout that makes navigating and manipulating files fast without leaving the terminal.