# JWB

> Wikimedia tool

**Wikidata**: [Q111948462](https://www.wikidata.org/wiki/Q111948462)  
**Source**: https://4ort.xyz/entity/jwb

## Summary
JWB (Javascript Wiki Browser) is a free and open-source software application designed as a tool for use within Wikimedia projects. It is classified as both a Wikimedia project page and a browser-based application that allows users to freely run, study, and modify the software. The tool is multi-licensed under the GNU General Public License, GNU Free Documentation License, and Creative Commons Attribution-ShareAlike 3.0.

## Key Facts
*   **Aliases:** Javascript Wiki Browser, JavascriptWikiBrowser
*   **Software Class:** Application, Free Software, Open-source software
*   **Licenses:** GNU General Public License, GNU Free Documentation License, Creative Commons Attribution-ShareAlike 3.0 Unported
*   **Latest Recorded Version:** 4.3.0 (Released July 31, 2021)
*   **Programming Language:** Q2005
*   **Source Code Repository:** github.com/wikimedia-gadgets/JWB
*   **Copyright Status:** Copyrighted
*   **Platform:** Wikimedia project page

## FAQs
### Q: What type of software is JWB?
A: JWB is an open-source application and free software tool designed specifically for Wikimedia projects. It is classified as a "Wikimedia tool" and functions as a user-facing software program.

### Q: Where can the source code for JWB be found?
A: The source code for JWB is hosted on GitHub at `https://github.com/wikimedia-gadgets/JWB`. The project is also described and accessible via its user manual on English Wikipedia.

### Q: Under what license is JWB distributed?
A: JWB is distributed under a multi-licensing model that includes the GNU General Public License, the GNU Free Documentation License, and the Creative Commons Attribution-ShareAlike 3.0 Unported license.

## Why It Matters
JWB serves as a significant utility within the Wikimedia ecosystem, exemplifying the integration of external software tools into wiki-based workflows. As an application classified under both "free software" and "open-source software," it represents the collaborative nature of Wikimedia development, allowing users to inspect, modify, and redistribute the code. Its existence as a "Wikimedia project page" highlights its role as an approved or integrated gadget that enhances user capabilities on the platform.

By utilizing a permissive multi-license structure (GPL, GFDL, CC BY-SA 3.0), the tool ensures maximum compatibility and reusability across different legal frameworks common in open-source and wiki environments. This flexibility allows it to serve a broad user base, from casual editors to power users, facilitating specific tasks that the default MediaWiki interface may not support natively. The active maintenance history, evidenced by version updates throughout 2021, demonstrates ongoing relevance and responsiveness to user needs within the community.

## Notable For
*   **Multi-Licensing:** Utilizes a rare combination of three major open licenses (GPL, GFDL, and CC BY-SA 3.0) simultaneously.
*   **Wikimedia Integration:** Functions distinctively as both a standalone application and an integrated Wikimedia project page/gadget.
*   **Open Source Compliance:** Fully classifies as "Free Software" and "Open-source software," ensuring users have libre access to the source code.
*   **Active Development:** Received multiple updates in 2021, progressing from version 4.0.0 to 4.3.0 within a seven-month period.

## Body

### Overview and Classification
JWB is a software application tailored for the Wikimedia environment. It is interchangeably referred to as "Javascript Wiki Browser" or "JavascriptWikiBrowser." In the hierarchy of software classification, it is identified as an instance of an "application"—a program designed for end-users—and explicitly categorized as "free software" and "open-source software." This ensures that the software can be freely run, studied, changed, and distributed by its users. It also holds the classification of a "Wikimedia project page," indicating its deployment context.

### Version History
Development of the current iteration of JWB has been documented through a series of version releases in 2021. The following versions are recorded in the changelog:
*   **4.0.0:** Released on February 14, 2021.
*   **4.1.0:** Released on March 2, 2021.
*   **4.2.0:** Released on March 20, 2021.
*   **4.3.0:** Released on July 31, 2021.

### Technical Properties
The software is written in the programming language identified as Q2005. It is accessible via its user manual and main page located on English Wikipedia at `User:Joeytje50/JWB`. The underlying source code and development data are mirrored and managed via GitHub. An image of the software operating in "Diff mode" is archived on Wikimedia Commons.

### Licensing and Rights
The intellectual property of JWB is managed under a robust multi-licensing scheme. It is protected by copyright but distributed under:
1.  **GNU General Public License:** Ensuring users retain the freedom to run, study, and share the software.
2.  **GNU Free Documentation License:** Specifically designed for manuals and textbooks.
3.  **Creative Commons Attribution-ShareAlike 3.0 Unported:** A standard license for Wikimedia content allowing sharing and adaptation with attribution.