Open Source Windows Software Development Software - Page 91
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Moon Repo
A build system and monorepo management tool for the web ecosystem
Moon is a build system and project management tool designed to handle monorepos, providing efficient workflows and task orchestration for large-scale projects. -
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MoonScript
A language that compiles to Lua
MoonScript is a dynamic scripting language that compiles into Lua. It gives you the power of one of the fastest scripting languages combined with a rich set of features. MoonScript can either be compiled into Lua and run at a later time, or it can be dynamically compiled and run using the moonloader. It’s as simple as requiring "moonscript" in order to have Lua understand how to load and run any MoonScript file. Because it compiles right into Lua code, it is completely compatible with alternative Lua implementations like LuaJIT, and it is also compatible with all existing Lua code and libraries. The command line tools also let you run MoonScript directly from the command line, like any first-class scripting language. -
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NES.css
NES-style CSS Framework
NES.css is a NES-style(8bit-like) CSS Framework. NES.css is available via either npm (preferred), Yarn, or a CDN. Our package.json contains some additional metadata under the following keys, path to our main Sass source file, path to our non-minified CSS. NES.css doesn't provide any fonts, but we do maintain the following list of fonts that we recommend for usage alongside the library. NES.css only provides components. You will need to define your own layout. The recommended font for NES.css is Press Start 2P. However, Press Start 2P only supports English characters. When you're using this framework with any language other than English, please use another font. Follow the Google Fonts instructions about how to include them. NES.css only requires CSS and doesn't depend on any JavaScript. -
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NG-ZORRO
Angular UI Component Library based on Ant Design
An enterprise-class Angular UI component library based on Ant Design, all components are open source and free to use under MIT license. An enterprise-class UI design language for Angular applications. 60+ high-quality Angular components out of the box. Written in TypeScript with predictable static types. The whole package of development and design resources and tools. Support OnPush mode, high performance. Powerful theme customization in every detail. Internationalization support for dozens of languages. -
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Neotest
An extensible framework for interacting with tests within NeoVim
A framework for interacting with tests within NeoVim. For any runner without an adapter you can use neotest-vim-test which supports any runner that vim-test supports. The vim-test adapter does not support some of the more advanced features such as error locations or per-test output. If you're using the vim-test adapter then install vim-test too. -
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NetTopologySuite
A .NET GIS solution that is fast and reliable for the .NET platform.
A .NET GIS solution that is fast and reliable for the .NET platform. NetTopologySuite is a direct port of all the functionalities offered by JTS Topology Suite: NTS exposes JTS in a '.NET way', for example using Properties, Indexers, etc. The JTS Topology Suite is an API for modeling and manipulating 2-dimensional linear geometry. It provides numerous geometric predicates and functions. JTS conforms to the Simple Features Specification for SQL published by the Open GIS Consortium. -
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Night Owl
VS Code dark theme for contrast for nighttime coding
Night Owl is a theme for Visual Studio Code designed by Sarah Drasner to provide a comfortable, high-contrast coding environment especially optimized for late-night development sessions and users who prefer dark themes. It also includes a “Light Owl” variant for daytime or brighter environments, giving users a consistent visual identity whether coding at night or day. The color palette is carefully chosen, with accessibility in mind (including better visibility for color-blind users) and optimal contrast for readability and long working sessions. The theme supports syntax highlighting across many languages and file types in VS Code, and has become a popular choice in the developer community. The repository is maintained as an open-source project, allowing users to inspect color choices, customize the theme further, or contribute new variants. Night Owl’s popularity reflects how much the developer experience can benefit from thoughtful UI design—it’s more than aesthetics. -
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NoneBot
Asynchronous multi-platform robot framework written in Python
Use NB-CLI to quickly build your own robot. Plug-in development, modular management. Supports multiple platforms and multiple incident response methods. Asynchronous priority development to improve operational efficiency. Simple and clear dependency injection system, built-in dependency functions reduce user code. NoneBot2 is a modern, cross-platform, and extensible Python chatbot framework. It is based on Python's type annotations and asynchronous features, and can provide convenient and flexible support for your needs. NoneBot2 is written based on Python asyncio , and has a certain degree of synchronous function compatibility based on the asynchronous mechanism. NoneBot2 provides an easy-to-use, interactive command-line tool -- nb-cli, making it easier to get started with NoneBot2 for the first time. The plug-in system is the core of NoneBot2, through which the modularization and function expansion of the robot can be realized, which is convenient for maintenance and management. -
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Nushell
A new type of shell
NuShell (often shortened to “Nu”) is a modern, cross-platform shell written in Rust that treats all data as structured tables rather than plain text. It supports pipelines on rich typed data, has built-in commands for JSON/CSV/SQL/excel, and offers scripting, autocompletion, scoped variables, and strong error handling—bridging the gap between shell scripting and programming. -
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OCaml
The core OCaml system: compilers, runtime system, base libraries
OCaml is a general-purpose, industrial-strength programming language with an emphasis on expressiveness and safety. OCaml’s powerful type system means more bugs are caught at compile-time, and large, complex codebases are easier to maintain. This makes it a good language for running critical code. At the same time, sophisticated inference makes the type system unobtrusive, creating a smooth developer experience. OCaml has two compilers. One is a bytecode compiler that generates small, portable executables and is very fast. The other is a native code compiler that produces more efficient machine code; its performance matches the highest standards of modern compilers. OCaml has great support for the most popular editors. VS Code is recommended for beginners, and for power users there is deep integration with Vim and Emacs. OCaml has a rich and dynamic community and best-in-class tooling. -
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ODrive
Google Drive GUI for Windows / Mac / Linux
Clone and run for a quick way to see ODrive (OpenSource Drive) in action. This is a GUI client for Google Drive on linux application. All formats supported by electron-builder are available, such as 7z, zip, tar.gz, deb, rpm, freebsd, pacman, p5p, apk, dmg, pkg, mas, nsis, appx, msi. If you are working on the code yourself and editing some files in app/assets/, you will need to run npm run webpack (or npm install) for those changes to have an impact on the application. To clone and run this repository you'll need Git and Node.js (which comes with npm) installed on your computer. There are currently three "release" formats supported: nsis (Windows installer) for Windows, AppImage for Linux, and DMG for Mac. -
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OSRFramework
OSRFramework, the Open Sources Research Framework is a AGPLv3+ project
OSRFramework is a GNU AGPLv3+ set of libraries developed by i3visio to perform Open Source Intelligence collection tasks. They include references to a bunch of different applications related to username checking, DNS lookups, information leaks research, deep web search, regular expressions extraction and many others. At the same time, by means of ad-hoc Maltego transforms, OSRFramework provides a way of making these queries graphically as well as several interfaces to interact with like OSRFConsole or a Web interface. If everything went correctly (we hope so!), it's time for trying usufy., mailfy and so on. But where are they locally? They are installed in your path meaning that you can open a terminal anywhere and typing the name of the program (seems to be an improvement from previous installations). Generates candidate nicknames based on known info about the target. -
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OWL
Optimized Workforce Learning for General Multi-Agent Assistance
OWL (Optimized Workforce Learning) is a sophisticated open-source framework built on the CAMEL-AI ecosystem for orchestrating teams of AI agents to collaboratively solve complex, real-world tasks with dynamic planning and automation capabilities. Unlike single-agent systems, it treats task completion as a collaborative workforce where agents take on specialized roles (planning, execution, analysis) and coordinate via a modular multi-agent architecture that supports flexible teamwork across domains. OWL delivers state-of-the-art performance on benchmarks like GAIA and emphasizes real-time decision-making, web automation, rich search integration, document parsing, and multi-tool workflows, making it suitable for tasks ranging from information retrieval to interactive automation. -
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Oat++
Light and powerful C++ web framework for web applications
Oat++ has zero dependencies and it's easily portable with a wide range of supported platforms. With Oat++ Simple-API it's easy and fun to build flexible and robust APIs. With Oat++ Async-API you can handle over 5 Million concurrent connections on a single server. Oat++ ORM provides an easy and unified way to access databases. Oat++ relies on Object-Mapping throughout its codebase to ensure consistency of APIs and data models. Automatically document endpoints with Swagger-UI and OpenAPI 3.0.0. Oat++ is used for many different purposes, from building REST APIs that run on embedded devices to building microservices and highly-loaded cloud applications. Theoretically, Oat++ can be easily ported everywhere where you have threads and network stack. With an additional comparably small effort, it can be ported almost everywhere depending on how much you strip it and what would be the final binary size. -
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One-Lin3r
Gives you one-liners that aids in penetration testing operations
One-Lin3r is a modular and lightweight penetration testing framework designed to provide security professionals with a centralized collection of one-liner commands for a wide range of offensive security tasks. It focuses on simplifying the execution of complex commands by organizing them into categorized modules, allowing users to quickly access and deploy payloads without manually searching or crafting them. The framework includes hundreds of prebuilt one-liners covering areas such as reverse shells, privilege escalation, bind shells, and payload delivery techniques. It is designed to be cross-platform, supporting environments like Windows, Linux, macOS, and BSD systems, making it highly versatile for different penetration testing scenarios. One of its standout aspects is its intelligent autocomplete system, which not only predicts commands but also corrects user input errors and suggests the closest matching commands. -
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OneFile
Curates delightful open-source projects
OneFile curates delightful open-source projects that each consist of a single file, highlighting how much you can learn from compact, self-contained code. The collection spans tiny games, utilities, servers, interpreters, and teaching demos where the entire idea fits in one readable source. This “one file” constraint makes every example approachable—you can open it, grasp the full control flow, and experiment without navigating a large codebase. It’s ideal for learners seeking quick wins or for teachers looking for simple yet inspiring demos to showcase concepts. Each entry focuses on immediacy and fun, encouraging copying, running, and tweaking to see results instantly. The list format also makes it easy to discover new languages or paradigms without committing to heavyweight projects. -
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Open Asset Import Library
The open-asset-importer-library repository
The Open Asset Import Library (short name: Assimp) is a portable Open-Source library to import various well-known 3D model formats in a uniform manner. The most recent version also knows how to export 3d files and is therefore suitable as a general-purpose 3D model converter. See the feature-list. open3mod is a Windows-based model viewer. It loads all file formats that Assimp supports and is perfectly suited to quickly inspect 3d assets. Assimp aims to provide a full asset conversion pipeline for use in game engines / realtime rendering systems of any kind, but it is not limited to this purpose. In the past, it has been used in a wide range of applications. Written in C++, it is available under a liberal BSD license. There is a C API as well as bindings to various other languages, including C#, Python and D. Assimp loads all input model formats into one straightforward data structure for further processing. -
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Open-Publisher
Using Jekyll to create outputs that can be used as Pandoc inputs
Open publisher is really just a couple of bash scripts that wrap around Jekyll, Pandoc, KindleGen, and LaTeX, along with some custom Pandoc templates created with a focus on fiction. Write your manuscript in markdown, run a script, and receive some beautifully formatted ePub, Mobi, and print-ready PDF books. -
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OpenAI .NET
The official .NET library for the OpenAI API
OpenAI .NET is the official client library for calling the OpenAI REST API from C# and other .NET languages, with first-class support for modern .NET patterns. It provides strongly typed clients across API areas (chat, audio, images, embeddings, moderations, batches, files, models, vector stores, responses, realtime, assistants) and works with .NET Standard 2.0 while the examples use .NET 8. You install it via NuGet and authenticate with an API key, ideally through environment variables or configuration rather than hardcoding. Every synchronous method has an async counterpart, and the library offers convenient streaming primitives for chat completions so you can process tokens as they arrive. It supports tool/function calling, structured outputs via JSON schema, audio input/output, image generation, embeddings, Whisper transcription, and assistants with retrieval augmented generation. -
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OpenAI Agents JS
A lightweight, powerful framework for multi-agent workflows
openai-agents-js is the JavaScript/TypeScript version of the OpenAI Agents SDK, designed to give developers a lightweight but powerful framework for building agentic workflows, voice agents, and tool-augmented LLM systems in JS/TS environments. The SDK is provider-agnostic, meaning while it’s deeply compatible with OpenAI’s APIs, you can also adapt it to use other backends or extension layers. At its core, it introduces primitives like Agents, Tools, Guardrails, and Handoffs, letting you define structured multi-agent systems in a modular way. The repo includes examples showing how to build agents that call local functions, chain between agents, validate input/output, stream responses, and interact in real time (e.g. voice agents via WebRTC). It also has tracing and debugging support so you can introspect how agents executed their workflows. Because it aligns closely with the Python Agents SDK, it aims for cross-language parity so that JS/TS devs can adopt similar agent architectures. -
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OpenAPI Generator
OpenAPI Generator allows generation of API client libraries
With 50+ client generators, you can easily generate code to interact with any server which exposes an OpenAPI document. Maintainers of APIs may also automatically generate and distribute clients as part of official SDKs. Each client supports different options and features, but all templates can be replaced with your own Mustache-based templates. Getting started with server development can be tough, especially if you're evaluating technologies. We can reduce the burden when you bring your own OpenAPI document. Some generators support Inversion of Control, allowing you to iterate on design via your OpenAPI document without worrying about blowing away your entire domain layer when you regenerate code. Ever wanted to iteratively design a MySQL database, but writing table declarations was too tedious? OpenAPI documents allow you to convert the metadata about your API into some other format. -
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OpenNMS
Enterprise-Grade Open-Source Network Management Platform
OpenNMS is an open-source network monitoring platform that helps you visualize and monitor everything on your local and distributed networks. OpenNMS offers comprehensive fault, performance, and traffic monitoring with alarm generation in one place. Highly customizable and scalable, OpenNMS integrates with your core business applications and workflows. -
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OpenShell
OpenShell is the safe, private runtime for autonomous AI agents.
OpenShell is an open-source runtime designed to safely run autonomous AI agents in isolated environments. Developed by NVIDIA, it provides sandboxed execution spaces that protect system resources, credentials, and data from unauthorized access. Each agent runs inside a containerized sandbox governed by declarative YAML security policies that control network access, file permissions, and process behavior. The platform includes a gateway service that manages sandbox lifecycles and routes AI inference requests through controlled providers. OpenShell also features a privacy-aware routing system that prevents sensitive information from leaving the sandbox environment. By combining container isolation, policy enforcement, and agent orchestration, OpenShell offers a secure infrastructure for developing and operating AI agents. -
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OpenTelemetry Collector distributions
OpenTelemetry Collector Official Releases
High-quality, ubiquitous, and portable telemetry to enable effective observability. OpenTelemetry is a collection of APIs, SDKs, and tools. Use it to instrument, generate, collect, and export telemetry data (metrics, logs, and traces) to help you analyze your software’s performance and behavior. Create and collect telemetry from your services and software, then forward it to a variety of analysis tools. OpenTelemetry integrates with many popular libraries and frameworks, and supports code-based and zero-code instrumentation. -
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Orchard Core
Open-source modular and multi-tenant application framework
Open-source, modular, multi-tenant application framework and CMS for ASP.NET Core. Orchard Core is a redevelopment of Orchard CMS on ASP.NET Core. Orchard Core consists of two different targets, Orchard Core Framework, an application framework for building modular, multi-tenant applications on ASP.NET Core, and Orchard Core CMS, a web content management system (CMS) built on top of the Orchard Core Framework. It’s important to note the differences between the framework and the CMS. Some developers who want to develop SaaS applications will only be interested in the modular framework. Others who want to build administrable websites will focus on the CMS and build modules to enhance their sites or the whole ecosystem. One of our goals is to enable community-based ecosystems of hosted applications that can be extended with modules, like eCommerce systems, blog engines and more.
