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Frameworks

1,264 frameworks

RealityKit

Developer: Apple Inc.
Used for: rendering, augmented reality

REDengine

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

Redmine

Kind: issue tracking system, project management software, source code repository, free software, wiki software, bug tracking system
Implemented in: Ruby
Licence: GNU General Public License, version 2.0

Refractor

Kind: game engine version
Developer: Refraction Games
Succeeded by: Refractor 2

Refractor 2

Kind: game engine version
Developer: DICE
Preceded by: Refractor

Refractor Engine

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

RenderWare

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

Repoze.bfg

Kind: web framework
Implemented in: Python
Licence: Repoze Public License

ResidualVM

Kind: game engine recreation
Implemented in: C++
Licence: GNU General Public License

Retribution Engine

Kind: game engine
Implemented in: C++
Licence: GNU General Public License, version 2.0

Retro Engine

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

REX Engine

Kind: game engine
Licence: proprietary license
Developer: Capcom

Rhino

Kind: free software, JavaScript engine
Implemented in: Java
Licence: Mozilla Public License, version 2.0

RhostMUSH

Kind: server software for MUD-like games
Based on: TinyMUD
Latest version: 5.1 (June 2, 2026)

RichFaces

Kind: web framework, free software
Licence: GNU Lesser General Public License
Used for: AJAX

Rico

Kind: JavaScript framework
Implemented in: JavaScript
Licence: Apache License

RIFE

Kind: web framework
Implemented in: Java
Licence: Common Development and Distribution License

Rigel Engine

Kind: game engine
Implemented in: C++
Licence: GNU General Public License

Riot Engine

Kind: game engine
Implemented in: C++

Risen3D

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

River Trail

Kind: JavaScript engine
Licence: 2-clause BSD License
Latest version: 0.35.0 (February 9, 2015)

Rnn

Kind: machine learning framework
Implemented in: R

Road Hog Engine

Kind: game engine
Appeared: 2009
First release: April 2009

Roblox Studio

Kind: game engine
Licence: proprietary license
Used for: creation

Robot Framework

Kind: free software
Implemented in: Python
Licence: Apache License

Robot Operating System

Implemented in: C++, Python
Licence: BSD licenses
Appeared: 2007

Rocket

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

Rockstar Advanced Game Engine

Kind: game engine
Licence: proprietary license
Developer: Rockstar San Diego

Ronin

Kind: game engine
Developer: Lucasfilm Games

RORDoom

Kind: source port
Based on: Boom
Operating system: MS-DOS

RP2040 Doom

Kind: source port
Licence: 3-clause BSD License
Based on: Chocolate Doom

RPG in a Box

Kind: application software, game engine
Appeared: 2022
First release: May 10, 2022

RPG Maker

Kind: game engine, game creation system
Developer: Gotcha Gotcha Games, Kadokawa Corporation, Degica, ASCII Corporation
Platform: PlayStation, PlayStation 2, NEC PC-8800 series, Microsoft Windows, Nintendo DS, Super Nintendo Entertainment System, NEC PC-9800 series, Game Boy Advance, Nintendo Switch, Sega Saturn, Nintendo 3DS, Game Boy Color +2

RPG Maker

Kind: game engine, game creation system, video game
Appeared: 1997
First release: November 27, 1997

RPG Maker 2000

Kind: game engine, game creation system
Appeared: 2000
First release: April 5, 2000

RPG Maker 2003

Kind: game engine, game creation system
Appeared: 2002
First release: December 18, 2002

RPG Maker 95

Kind: game engine, game creation system
Appeared: 1997
First release: March 28, 1997

RPG Maker MV

Kind: game engine, game creation system
Appeared: 2015
First release: October 23, 2015

RPG Maker MZ

Kind: game engine, game creation system
Appeared: 2020
First release: August 20, 2020

RPG Maker VX

Kind: game engine, game creation system
Appeared: 2007
First release: December 11, 2007

RPG Maker VX Ace

Kind: game engine, game creation system
Appeared: 2012
First release: December 10, 2012

RPG Maker XP

Kind: game engine, game creation system
Appeared: 2004
First release: July 22, 2004

RSpec

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

RSPiX

Kind: game engine
Developer: RSP, Inc.
Platform: Microsoft Windows

Ruby on Rails

Kind: web framework, free software
Implemented in: Ruby
Licence: MIT License

RuneTek

Kind: game engine
Developer: Jagex

S&box

Kind: game engine, game creation system, video game
Implemented in: C#, C++
Licence: MIT License

S60

Kind: mobile operating system
Developer: Nokia

Saber3D

Kind: game engine
Licence: proprietary license
Developer: Saber Interactive

SAGE

Kind: game engine
Developer: Westwood Studios

Sails.js

Kind: web framework
Implemented in: JavaScript
Licence: MIT License

Sally Project

Kind: multimedia framework
Implemented in: C
Licence: GNU General Public License

SamePage

Kind: wiki software
Implemented in: Java
Appeared: 2006

Sanchita

Implemented in: TypeScript
Operating system: cross-platform

SAP BusinessObjects Lumira

Developer: Business Objects
Operating system: Microsoft Windows

Sauerbraten Game Engine

Kind: game engine, free software
Licence: zlib License
Preceded by: Cube Engine

Scalatra

Kind: web framework, free software
Implemented in: Scala
Licence: 2-clause BSD License

Scratchpads

Kind: virtual research environment
Appeared: 2010
Used for: website development

Screwturn Wiki

Kind: wiki software
Implemented in: C#
Licence: GNU General Public License, version 2.0

ScummVM

Kind: game engine recreation
Implemented in: C++
Licence: GNU General Public License v3.0 or later