LTWlanguages & frameworks ltw://frameworks

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Frameworks: U

32 frameworks

U-Prove

Licence: BSD licenses
Developer: Microsoft
Used for: identity management

UbiArt Framework

Kind: game engine
Implemented in: C++
Appeared: 2010

Ubisoft Anvil

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

UData

Kind: software engine, free software
Implemented in: Python
Licence: GNU Affero General Public License, version 3.0

Ultimate 3D

Kind: game engine, free software
Implemented in: C++

Ultimate++

Kind: widget toolkit, integrated development environment, free software, application framework, rapid application development
Implemented in: C++
Licence: 2-clause BSD License

Umbra 3

Kind: game engine
Developer: Umbra Software

Umpa

Kind: web framework, business software, trademark
Appeared: 2025
Operating system: cross-platform

Unigine

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

Unit.js

Kind: JavaScript library
Implemented in: JavaScript
Licence: GNU Affero General Public License, version 3.0 or later

Unittest++

Kind: test automation framework
Licence: MIT License
Latest version: 2.0.0 (January 13, 2017)

Unity

Kind: game engine, game creation system
Implemented in: C#, C++
Licence: proprietary license

Unity 2017

Kind: game engine version
Developer: Unity Technologies
Succeeded by: Unity 2018

Unity 2018

Kind: game engine version
Developer: Unity Technologies
Preceded by: Unity 2017

Unity 2019

Kind: game engine version
Developer: Unity Technologies
Preceded by: Unity 2018

Unity 2020

Kind: game engine version
Developer: Unity Technologies
Preceded by: Unity 2019

Unity 2021

Kind: game engine version
Developer: Unity Technologies
Preceded by: Unity 2020

Unity 2022

Kind: game engine version
Developer: Unity Technologies
Preceded by: Unity 2021

Unity 3

Kind: game engine version
Developer: Unity Technologies
Succeeded by: Unity 4

Unity 4

Kind: game engine version
Developer: Unity Technologies
Preceded by: Unity 3

Unity 5

Kind: game engine version
Developer: Unity Technologies
Preceded by: Unity 4

Unreal Engine

Kind: game engine, source-available software
Implemented in: C++
Licence: end-user license agreement

Unreal Engine 1

Kind: game engine version
Appeared: 1998
Developer: Epic Games

Unreal Engine 2

Kind: game engine version
Appeared: 2001
First release: January 2001

Unreal Engine 2.5

Kind: game engine version
Developer: Epic Games
Preceded by: Unreal Engine 2

Unreal Engine 3

Kind: game engine version
Licence: proprietary license
Appeared: 2005

Unreal Engine 4

Kind: game engine version
Licence: proprietary license
Appeared: 2012

Unreal Engine 5

Kind: game engine version, software
Licence: proprietary license
Appeared: 2021

Unreal Engine 6

Kind: game engine version
Licence: proprietary license
Preceded by: Unreal Engine 5

Urho3D

Kind: game engine
Licence: MIT License
Latest version: 1.9.0 (November 21, 2022)

UseModWiki

Kind: wiki software
Implemented in: Perl
Licence: GNU General Public License

UZDoom

Kind: free software, source port
Implemented in: C
Licence: GNU General Public License