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1,264 frameworks

Dune Legacy

Kind: game engine recreation
Based on: Dune II

Dungeon-mode

Kind: game engine, read–eval–print loop
Implemented in: Emacs Lisp
Licence: GNU General Public License v3.0 or later

Dunia

Kind: game engine
Implemented in: C++
Developer: Ubisoft Montreal

Dunia

Kind: game engine version
Appeared: 2008
First release: 2008

Dunia 2

Kind: game engine
Appeared: 2012
First release: 2012

Dweb Framework

Kind: web framework, free software
Implemented in: D
Licence: GNU Affero General Public License, version 3.0

Dynamic Kernel Module Support

Kind: utility software, free software
Implemented in: GNU Bash
Licence: GNU General Public License

Dynamic languages toolkit

Kind: free software
Implemented in: Java
Licence: Eclipse Public License

EAGL

Kind: game engine
Implemented in: C++
Developer: EA Vancouver

Earthrise Engine

Kind: game engine
Developer: Masthead Studios

Echo

Kind: web framework, Java software library, free and open-source software
Implemented in: JavaScript, Java
Licence: Mozilla Public License, version 1.1, GNU General Public License, version 2.0 or later, GNU Lesser General Public License, version 2.1 or later

Eclipse Engine

Kind: game engine
Implemented in: C++
Developer: Bioware

Eclipse Jersey

Kind: web framework, free and open-source software
Implemented in: Java
Licence: Eclipse Public License 2.0

Eclipse Metro

Kind: web framework
Implemented in: Java
Licence: Eclipse Distribution License

Eclipse Mojarra

Kind: web framework, free and open-source software
Implemented in: Java
Licence: Eclipse Public License 2.0

Eclipse Sirius

Kind: free software
Implemented in: Java
Licence: Eclipse Public License

EDGE

Kind: source port
Licence: GNU General Public License, version 2.0 or later
Based on: DOSDoom

EDGE-Classic

Kind: source port
Licence: GNU General Public License, version 3.0
Based on: EDGE

EdgeHTML

Kind: browser engine, component-based software engineering, application framework
Implemented in: C++
Appeared: 2015

EDuke32

Kind: free software, source port
Licence: GNU General Public License, version 2.0
Appeared: 2004

Eevee

Kind: software engine
Appeared: 2019
Used for: 3D rendering

Effi

Kind: software library, application framework
Implemented in: C++
Licence: GNU General Public License

EGO

Kind: game engine
Developer: Codemasters
Platform: personal computer

Electron

Kind: open-source software, widget toolkit, JavaScript library
Implemented in: JavaScript, C++, Python, TypeScript
Licence: MIT License

Electron toolset

Kind: game engine
Implemented in: C++
Platform: Microsoft Windows

Eleventy

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

ElixirFM

Kind: morphological analysis engine, morphological generator, software
Implemented in: Haskell
Licence: GNU General Public License, version 3.0

ELKI

Kind: science software, machine learning framework, free software
Implemented in: Java
Licence: GNU Affero General Public License

ElysiaJS

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

Ember.js

Kind: web framework, software library, JavaScript library
Implemented in: JavaScript
Licence: MIT License

Endpoint Security

Developer: Apple Inc.
Operating system: macOS

Enforce

Kind: game engine
Succeeded by: Enfusion

Enfusion

Kind: game engine
Developer: Bohemia Interactive
Preceded by: Enforce, Real Virtuality

EngineX

Kind: game engine
Implemented in: C++
Licence: commercial software

Enigma Engine

Kind: game engine
Developer: Nival

Enterprise Objects Framework

Developer: Apple Inc.
Used for: object–relational mapping

Entity Framework

Kind: database abstraction layer
Implemented in: C#
Licence: Apache Software License 2.0

Entity Framework Core

Kind: database abstraction layer
Implemented in: C#
Licence: Apache Software License 2.0

Enyo

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

EOS

Kind: digital currency, blockchain framework, free software, non-immutable blockchain
Licence: MIT License
Appeared: 2018

Equinox

Kind: Eclipse Foundation project, free software, software
Implemented in: Java
Licence: Eclipse Public License 2.0

ESP32-DOOM

Kind: source port
Licence: Apache Software License 2.0
Based on: PrBoom

Espruino

Kind: open-source software, JavaScript engine
Implemented in: C
Licence: Mozilla Public License, version 2.0

Essence Engine

Kind: game engine
Developer: Relic Entertainment

Eternity Engine

Kind: source port
Implemented in: C++
Licence: GNU General Public License v3.0 or later

Ethereum

Kind: blockchain framework, cryptocurrency, ongoing project, web service, blockchain, free software, smart contract platform
Implemented in: C, Ruby, Assembly language, JavaScript, XML, C++, Java, Python, AMPL, Go, Cascading Style Sheets, HTML
Licence: GNU General Public License, version 3.0

Euphoria

Kind: game engine
Developer: NaturalMotion
Used for: animation

Europa Engine

Kind: game engine
Appeared: 2000
First release: 2000

EV3DOOM

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

Evals

Implemented in: Python
Licence: MIT License
Developer: OpenAI

EvilEngine

Kind: game engine
Developer: Heavy Iron Studios
Succeeded by: GoodEngine

Evolution Engine

Kind: game engine
Developer: Digital Extremes

Exponent CMS

Kind: web framework, blog software
Implemented in: PHP
Licence: GNU General Public License

Express.js

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

EzQuake

Kind: source port
Based on: QuakeWorld
Latest version: 3.6.9 (March 1, 2026)

Fabric

Kind: software library, video game mod
Implemented in: Java
Licence: Apache Software License 2.0

FastAPI

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

Fastify

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

Fat-Free Framework

Kind: web framework
Implemented in: PHP
Licence: GNU General Public License

FbDOOM

Kind: source port
Based on: Linux Doom