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Evidence-based legal reference

Licence Encyclopedia

An encyclopedia of software, open, content and commercial licences: permissions, restrictions, compatibility and user obligations.

Basics

What it is, and what a licence is

What is DRY?

DRY — an evidence-based encyclopaedia of digital rights. Put simply: it explains what you can and cannot do with someone else’s digital content — whether it’s code, an image, a font, a dataset, an AI model or text — and under what conditions.

What is a licence?

A licence is permission granted by the rights holder to use their work. It specifies three things: what you are permitted to do (copy, modify, distribute, sell, incorporate into your own product, train an ML model), under what conditions (attribute authorship, make the source code available, retain the same licence) and what you are not permitted to do.

The golden rule: accessibility ≠ permission

The fact that a file is freely available — on GitHub, Kaggle, YouTube or in search results — does not in itself grant the right to copy, modify or use it commercially. Such rights are granted only by a licence or by law. If there is no licence, the default is ‘all rights reserved’.

What each card shows

Not just the name. For each licence individually: what is permitted, what conditions are mandatory, what is prohibited, what it is compatible with — as well as the official source text, version, date of verification and revision history.

What is covered

Software and open-source licences (MIT, BSD, Apache, GPL, LGPL, AGPL, MPL…), Creative Commons and open content, photos/videos/music/fonts, open data and databases, licensing of AI models and datasets, commercial use and compatibility.

The DRY principle

No fluff — just verified facts. Every statement is backed by an official source, and includes the date and version. This is not legal advice, but verified information to help you make your own decision.

Main directions

Choose a topic

From concept to practical action

⌘

Software and open-source licences

MIT, BSD, Apache, GPL, LGPL, AGPL, MPL and other code distribution models.

Open catalog →

Creative Commons and open content

Attribution, derivative works, non-commercial use and ShareAlike.

Open topic →

♪

Photos, video, music and fonts

Licensing of media, stock materials, music, icons and typefaces.

Open topic →

Open data and databases

Dataset licences, database producer rights and re-use.

Open topic →

Licensing of AI models and datasets

Open topic →

◇

Commercial use and compatibility

Sale, modification, sublicensing, copyleft and combining different licences.

Open topic →

Live catalog

Found: 2760

LICENSE ACTIVE

MIT

MIT License

Коротка permissive software licence: дозволяє використання, зміну, поширення, sublicensing і продаж за умови збереження notice.

SPDX: MIT OSI: mit ScanCode: mit

LICENSE ACTIVE

Apache-2.0

Apache License, Version 2.0

Permissive software licence з notices, правилами NOTICE, позначенням змін і прямим патентним грантом.

SPDX: Apache-2.0 OSI: apache-2-0 ScanCode: apache-2.0

LICENSE ACTIVE

GPL-3.0-only

GNU General Public License v3.0 only

Strong copyleft software licence: при conveying covered work необхідно забезпечити Corresponding Source та зберегти GPL-свободи.

SPDX: GPL-3.0-only OSI: gpl-3-0 ScanCode: gpl-3.0

LICENSE ACTIVE

GPL-3.0-or-later

GNU General Public License v3.0 or later

SPDX: GPL-3.0-or-later ScanCode: gpl-3.0-plus

LICENSE ACTIVE

GPL-2.0-only

GNU General Public License v2.0 only

SPDX: GPL-2.0-only ScanCode: gpl-2.0

LICENSE ACTIVE

GPL-2.0-or-later

GNU General Public License v2.0 or later

SPDX: GPL-2.0-or-later ScanCode: gpl-2.0-plus

LICENSE ACTIVE

BSD-3-Clause

BSD 3-Clause "New" or "Revised" License

SPDX: BSD-3-Clause OSI: bsd-3-clause ScanCode: bsd-new

LICENSE ACTIVE

BSD-2-Clause

BSD 2-Clause "Simplified" License

SPDX: BSD-2-Clause OSI: bsd-2-clause ScanCode: bsd-simplified

LICENSE ACTIVE

LGPL-3.0-only

GNU Lesser General Public License v3.0 only

SPDX: LGPL-3.0-only ScanCode: lgpl-3.0

LICENSE ACTIVE

LGPL-3.0-or-later

GNU Lesser General Public License v3.0 or later

SPDX: LGPL-3.0-or-later ScanCode: lgpl-3.0-plus

LICENSE ACTIVE

LGPL-2.1-only

GNU Lesser General Public License v2.1 only

SPDX: LGPL-2.1-only ScanCode: lgpl-2.1

LICENSE ACTIVE

LGPL-2.1-or-later

GNU Lesser General Public License v2.1 or later

SPDX: LGPL-2.1-or-later ScanCode: lgpl-2.1-plus

LICENSE ACTIVE

MPL-2.0

Mozilla Public License 2.0

SPDX: MPL-2.0 OSI: mpl-2-0 ScanCode: mpl-2.0

LICENSE ACTIVE

ISC

ISC License

SPDX: ISC OSI: isc ScanCode: isc

LICENSE ACTIVE

Unlicense

The Unlicense

SPDX: Unlicense OSI: unlicense ScanCode: unlicense

PUBLIC_DOMAIN_TOOL ACTIVE

CC0 1.0

CC0 1.0 Universal

Public-domain dedication із fallback licence там, де повна відмова від прав неможлива.

SPDX: CC0-1.0 ScanCode: cc0-1.0

LICENSE ACTIVE

CC BY 4.0

Creative Commons Attribution 4.0 International

Дозволяє поширювати й адаптувати матеріал, у тому числі комерційно, за умови атрибуції, посилання на ліцензію та позначення змін.

SPDX: CC-BY-4.0 ScanCode: cc-by-4.0

LICENSE ACTIVE

CC BY-SA 4.0

Creative Commons Attribution-ShareAlike 4.0 International

Дозволяє комерційне використання й адаптації, але поширюваний Adapted Material підпадає під ShareAlike.

SPDX: CC-BY-SA-4.0 ScanCode: cc-by-sa-4.0

LICENSE ACTIVE

AGPL-3.0-only

GNU Affero General Public License v3.0 only

SPDX: AGPL-3.0-only ScanCode: agpl-3.0

LICENSE ACTIVE

AGPL-3.0-or-later

GNU Affero General Public License v3.0 or later

SPDX: AGPL-3.0-or-later ScanCode: agpl-3.0-plus

LICENSE ACTIVE

EPL-2.0

Eclipse Public License 2.0

SPDX: EPL-2.0 OSI: epl-2-0 ScanCode: epl-2.0

LICENSE ACTIVE

EPL-1.0

Eclipse Public License 1.0

SPDX: EPL-1.0 OSI: epl-1-0 ScanCode: epl-1.0

LICENSE ACTIVE

Zlib

zlib License

SPDX: Zlib OSI: zlib ScanCode: zlib

LICENSE ACTIVE

BSL-1.0

Boost Software License 1.0

SPDX: BSL-1.0 OSI: bsl-1-0 ScanCode: boost-1.0

LICENSE ACTIVE

Artistic-2.0

Artistic License 2.0

SPDX: Artistic-2.0 OSI: artistic-2-0 ScanCode: artistic-2.0

LICENSE ACTIVE

WTFPL

Do What The F*ck You Want To Public License

SPDX: WTFPL ScanCode: wtfpl-2.0

LICENSE ACTIVE

OFL-1.1

SIL Open Font License 1.1

SPDX: OFL-1.1 OSI: ofl-1-1 ScanCode: ofl-1.1

LICENSE ACTIVE

NCSA

University of Illinois/NCSA Open Source License

SPDX: NCSA OSI: ncsa ScanCode: uoi-ncsa

LICENSE ACTIVE

Python-2.0

Python License 2.0

SPDX: Python-2.0 OSI: python-2-0 ScanCode: python

LICENSE ACTIVE

PostgreSQL

PostgreSQL License

SPDX: PostgreSQL OSI: postgresql ScanCode: postgresql

LICENSE ACTIVE

Ruby

Ruby License

SPDX: Ruby ScanCode: ruby

LICENSE ACTIVE

Vim

Vim License

SPDX: Vim ScanCode: vim

LICENSE ACTIVE

0BSD

BSD Zero Clause License

SPDX: 0BSD OSI: 0bsd ScanCode: bsd-zero

LICENSE ACTIVE

CDDL-1.0

Common Development and Distribution License 1.0

SPDX: CDDL-1.0 OSI: cddl-1-0 ScanCode: cddl-1.0

LICENSE ACTIVE

EUPL-1.2

European Union Public License 1.2

SPDX: EUPL-1.2 OSI: eupl-1-2 ScanCode: eupl-1.2

LICENSE ACTIVE

GFDL-1.3-only

GNU Free Documentation License v1.3 only

SPDX: GFDL-1.3-only ScanCode: gfdl-1.3

LICENSE ACTIVE

GFDL-1.3-or-later

GNU Free Documentation License v1.3 or later

SPDX: GFDL-1.3-or-later ScanCode: gfdl-1.3-plus

LICENSE ACTIVE

OpenSSL

OpenSSL License

SPDX: OpenSSL ScanCode: openssl-ssleay

LICENSE ACTIVE

X11

X11 License

SPDX: X11 ScanCode: x11-xconsortium

LICENSE ACTIVE

Beerware

Beerware License

SPDX: Beerware ScanCode: beerware

LICENSE ACTIVE

Sleepycat

Sleepycat License

SPDX: Sleepycat OSI: sleepycat ScanCode: sleepycat

LICENSE ACTIVE

CC-BY-3.0

Creative Commons Attribution 3.0 Unported

SPDX: CC-BY-3.0 ScanCode: cc-by-3.0

LICENSE ACTIVE

CC-BY-SA-3.0

Creative Commons Attribution Share Alike 3.0 Unported

SPDX: CC-BY-SA-3.0 ScanCode: cc-by-sa-3.0

LICENSE ACTIVE

Glide

3dfx Glide License

SPDX: Glide ScanCode: glide

LICENSE ACTIVE

4Suite 1.1

4Suite License v1.1

SPDX: LicenseRef-scancode-4suite-1.1 ScanCode: 4suite-1.1

LICENSE ACTIVE

ADI BSD

ADI BSD License

SPDX: LicenseRef-scancode-adi-bsd ScanCode: adi-bsd

LICENSE ACTIVE

ADI BSD 2011

ADI BSD License 2011

SPDX: LicenseRef-scancode-adi-bsd-2011 ScanCode: adi-bsd-2011

LICENSE ACTIVE

ADI BSD 2017

ADI BSD License 2017

SPDX: LicenseRef-scancode-adi-bsd-2017 ScanCode: adi-bsd-2017

LICENSE ACTIVE

AES-128 3.0 License

AES-128 v3.0 License

SPDX: LicenseRef-scancode-aes-128-3.0 ScanCode: aes-128-3.0

LICENSE ACTIVE

AIxFun eStudio Model v1.6

AIxFun eStudio Model License Version 1.6

SPDX: LicenseRef-scancode-aixfunestudio-model-1.6 ScanCode: aixfunestudio-model-1.6

LICENSE ACTIVE

ALGLIB-Documentation

ALGLIB Documentation License

SPDX: ALGLIB-Documentation ScanCode: alglib-documentation

LICENSE ACTIVE

AMD-newlib

AMD newlib License

SPDX: AMD-newlib ScanCode: amd-historical

LICENSE ACTIVE

AMDPLPA

AMD's plpa_map.c License

SPDX: AMDPLPA ScanCode: amdplpa

LICENSE ACTIVE

AML-glslang

AML glslang variant License

SPDX: AML-glslang ScanCode: nvidia-2002

LICENSE ACTIVE

AMSFonts license

SPDX: LicenseRef-scancode-ams-fonts ScanCode: ams-fonts

LICENSE ACTIVE

ANTLR-PD

ANTLR Software Rights Notice

SPDX: ANTLR-PD ScanCode: antlr-pd

LICENSE ACTIVE

ANTLR-PD-fallback

ANTLR Software Rights Notice with license fallback

SPDX: ANTLR-PD-fallback ScanCode: antlr-pd-fallback

LICENSE ACTIVE

AOP-PD

AOP Public Domain License

ScanCode: aop-pd

LICENSE ACTIVE

ARM Cortex-Mx Proprietary

SPDX: LicenseRef-scancode-arm-cortex-mx ScanCode: arm-cortex-mx

LICENSE ACTIVE

ARM LLVM Grant

ARM LLVM Software Grant License Agreement

SPDX: LicenseRef-scancode-arm-llvm-sga ScanCode: arm-llvm-sga

LICENSE ACTIVE

ASWF-Digital-Assets-1.0

ASWF Digital Assets License version 1.0

SPDX: ASWF-Digital-Assets-1.0 ScanCode: aswf-digital-assets-1.0

LICENSE ACTIVE

ATI Software EULA

ATI Software End User License Agreement

SPDX: LicenseRef-scancode-ati-eula ScanCode: ati-eula

LICENSE ACTIVE

Aardvark I2C/SPI 2014

Aardvark I2C/SPI Software and Firmware License 2014

SPDX: LicenseRef-scancode-aardvark-py-2014 ScanCode: aardvark-py-2014

LICENSE ACTIVE

Abstyles

Abstyles License

SPDX: Abstyles ScanCode: abstyles

LICENSE ACTIVE

AFL-1.1

Academic Free License v1.1

SPDX: AFL-1.1 ScanCode: afl-1.1

LICENSE ACTIVE

AFL-1.2

Academic Free License v1.2

SPDX: AFL-1.2 ScanCode: afl-1.2

LICENSE ACTIVE

AFL-2.0

Academic Free License v2.0

SPDX: AFL-2.0 ScanCode: afl-2.0

LICENSE ACTIVE

AFL-2.1

Academic Free License v2.1

SPDX: AFL-2.1 ScanCode: afl-2.1

LICENSE ACTIVE

AFL-3.0

Academic Free License v3.0

SPDX: AFL-3.0 OSI: afl-3-0 ScanCode: afl-3.0

LICENSE ACTIVE

APL-1.1

Academic Public License version 1.1

SPDX: LicenseRef-scancode-apl-1.1 ScanCode: apl-1.1

LICENSE ACTIVE

AMPAS

Academy of Motion Picture Arts and Sciences BSD

SPDX: AMPAS ScanCode: ampas

LICENSE ACTIVE

AGTPL

Access Grid Toolkit Public License (AGTPL)

SPDX: LicenseRef-scancode-agtpl ScanCode: agtpl

LICENSE ACTIVE

ANGI 1.0

Acki Nacki Gossip Igniter License 1.0

SPDX: LicenseRef-scancode-angi-1.0 ScanCode: angi-1.0

LICENSE ACTIVE

Acki Nacki Node License 2024-10-04

SPDX: LicenseRef-scancode-acki-nacki-node-2024-10-04 ScanCode: acki-nacki-node-2024-10-04

LICENSE ACTIVE

Acroname BDK

Acroname Brainstem Development Kit license

SPDX: LicenseRef-scancode-acroname-bdk ScanCode: acroname-bdk

LICENSE ACTIVE

Acter Public Source License 1.0

SPDX: LicenseRef-scancode-acter-psl-1.0 ScanCode: acter-psl-1.0

A single analysis scheme

How to read any licence

A card is not limited to the licence name. It separately shows what is allowed, which conditions are mandatory, what is prohibited, and what the licence is compatible with.

Choose a licence

01Permitted use

02Mandatory attribution

03Source code disclosure

04Commercial use

05Patents, trademarks and warranties

06Compatibility and redistribution

VerifiedMaterial is current as of 12 September 2026

Next check — per editorial scheduleChange history and previous versions →