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Frameworks

1,264 frameworks

NeoX

Kind: game engine
Appeared: 2005
Developer: NetEase Games

NestJS

Kind: web framework, JavaScript framework, free and open-source software, JavaScript library
Implemented in: TypeScript
Licence: MIT License

Netfilter

Kind: open-source project
Implemented in: C
Licence: GNU General Public License, version 2.0

NetImmerse

Kind: game engine
Implemented in: C++

NetKernel

Kind: application framework
Developer: HP Labs

Nette Framework

Kind: web framework, free software
Implemented in: PHP
Licence: BSD licenses, GNU General Public License

Netty

Kind: free software
Implemented in: Java
Licence: Apache Software License 2.0

Network Extension

Developer: Apple Inc.
Operating system: visionOS, macOS, watchOS, tvOS, iOS, iPadOS

Neversoft Engine

Kind: game engine
Developer: Neversoft
Based on: RenderWare

Newton Game Dynamics

Kind: open-source software, middleware, free software, physics engine
Implemented in: C
Licence: zlib License

Next.js

Kind: JavaScript framework, free software, static site generator, JavaScript library
Implemented in: JavaScript
Licence: MIT License

NFSIISE

Kind: game engine recreation
Licence: MIT License
Based on: Need for Speed 2: Special Edition

NiceGUI

Kind: web framework, Python package
Implemented in: Python
Licence: MIT License

Node.js

Kind: run-time system, JavaScript runtime, WebAssembly runtime, free and open-source software, application framework
Implemented in: C, JavaScript, C++
Licence: MIT License

Northlight

Kind: game engine
Licence: proprietary license
Developer: Remedy Entertainment

Novius OS

Kind: content management system, web framework
Implemented in: JavaScript, PHP
Licence: GNU General Public License

Nu2

Kind: game engine
Developer: Traveller's Tales

Nugget Doom

Kind: source port
Licence: GNU General Public License, version 2.0
Based on: Woof!

NUnit

Kind: free software, test automation framework
Implemented in: C#
Licence: MIT License

Nuxt

Kind: web framework, JavaScript framework, free and open-source software
Implemented in: JavaScript, Vue.js
Licence: MIT License

NW.js

Kind: open-source software
Licence: MIT License
Based on: Chromium

Object Windows Library

Kind: source-available software
Implemented in: C++
Licence: proprietary license

Ocsigen

Kind: web framework, free software
Implemented in: OCaml
Licence: GNU Lesser General Public License

OctaForge

Kind: game engine, free software, game creation system
Licence: 2-clause BSD License
Based on: Tesseract

Odamex

Kind: source port
Implemented in: C++
Licence: GNU General Public License, version 2.0 or later

Oddmuse

Kind: free software, wiki software
Implemented in: Perl
Licence: GNU General Public License v3.0 or later

Odyssey Engine

Kind: game engine
Implemented in: C++
Licence: proprietary license

Ogre3d

Kind: software library, game engine, graphics engine, free and open-source software
Implemented in: C++
Licence: MIT License

OntoChat

Kind: GitHub repository, Python package
Licence: MIT License
Developer: Bohui Zhang, Stefani Tsaneva, Katrin Schreiberhuber, Valentina Anita Carriero

Ontop

Kind: semantic web software, server software, free software, ontology-based data access, software
Implemented in: Java
Licence: Apache Software License 2.0

Open 3D Engine

Kind: application software, game engine, free and open-source software, source-available software, software
Implemented in: Lua, C++, Python
Licence: Apache Software License 2.0, MIT License

Open Dynamics Engine

Kind: software library, free software, physics engine
Implemented in: C++
Licence: BSD licenses, GNU Lesser General Public License

Open General

Kind: game engine recreation
Licence: proprietary license
Based on: Panzer General II

Open Semantic Framework

Kind: content management system, web framework, ontology editor
Implemented in: Java, PHP
Licence: Apache License

Open Wonderland

Kind: game engine, collaborative software, virtual world framework
Implemented in: Java
Licence: GNU General Public License

Opendatasoft

Kind: software engine
Developer: Huwise
Used for: open data portal

OpenDUNE

Kind: game engine recreation
Developer: Patric Stout
Latest version: 0.9 (May 25, 2018)

OpenFL

Kind: free software
Implemented in: Haxe
Licence: MIT License

OpenGion

Kind: web framework, free software
Implemented in: Java
Licence: Apache Software License 2.0

OpenGTA

Kind: game engine recreation
Based on: Grand Theft Auto

OpenHAB

Kind: IoT framework, free software, home automation
Implemented in: Java
Licence: Eclipse Public License

OpenMDX

Implemented in: Java
Latest version: 5.21.0 (June 28, 2025)
Operating system: cross-platform

OpenMoHAA

Kind: game engine recreation
Licence: GNU General Public License, version 2.0
Latest version: 0.82.1 (August 3, 2025)

OpenMW

Kind: game engine, free software
Implemented in: C++
Licence: GNU General Public License, version 3.0

OpenPAM

Implemented in: C
Developer: McAfee, LLC
Operating system: Berkeley Software Distribution

OpenProject

Kind: issue tracking system, project management software, free software, wiki software
Implemented in: Ruby
Licence: GNU General Public License, version 3.0

OpenRA

Kind: game engine recreation
Implemented in: Lua, C#
Licence: GNU General Public License, version 3.0

OpenRedAlert

Kind: game engine recreation
Based on: FreeCNC, FreeRA, Command & Conquer: Red Alert

OpenRegistry

Kind: web framework, application programming interface, online database
Implemented in: TypeScript
Licence: Apache Software License 2.0

OpenRemote

Kind: IoT framework, middleware, free software
Implemented in: Java
Licence: GNU Affero General Public License, version 3.0 or later

OpenSilver

Kind: free and open-source software
Implemented in: C#
Licence: MIT License

OpenSimulator

Kind: game engine
Implemented in: C#
Licence: BSD licenses

OpenSpace

Kind: game engine
Developer: Ubisoft Montpellier
Platform: PlayStation, PlayStation 2, Xbox, Microsoft Windows, Nintendo DS, Nintendo GameCube, Dreamcast, Nintendo 64

OpenTESArena

Kind: game engine, free software
Implemented in: C++17
Licence: MIT License

OpenUI

Kind: free software
Implemented in: TypeScript
Licence: MIT License

OpenUI5

Kind: widget toolkit, web framework, JavaScript framework
Implemented in: LESS, JavaScript
Licence: Apache Software License 2.0

OpenUT

Kind: source port
Based on: Unreal Tournament
Platform: Linux

OpenVZ

Kind: free software, container runtime
Licence: GNU General Public License
Appeared: 2005

OpenWar

Kind: game engine recreation
Licence: GNU General Public License, version 3.0
Based on: Warcraft: Orcs & Humans

OpenXava

Kind: web framework, free software
Implemented in: Java
Licence: GNU Lesser General Public License