# Gikonavi

> free software

**Wikidata**: [Q11298090](https://www.wikidata.org/wiki/Q11298090)  
**Source**: https://4ort.xyz/entity/gikonavi

## Summary
Gikonavi is free software and a specialized browser for the Japanese 5channel (formerly 2channel) bulletin board. It is distributed under the 3-clause BSD license, allowing users to freely run, modify, and distribute the software.

## Key Facts
- **License**: Released under the 3-clause BSD License (confirmed 2017-07-08 via OSDN readme).
- **Software Type**: Classified as both a 5channel browser and free software.
- **Copyright Status**: Copyrighted but distributed under open-source terms.
- **Language Support**: Only documented in Japanese Wikipedia (no multilingual coverage).
- **Source Code Hosted**: Available on OSDN via CVS and Git repositories.
- **Repository URLs**: Includes cvs://anonymous@cvs.osdn.net:/cvsroot/gikonavi and git://git.osdn.net/gitroot/gikonavigoeson/gikonavi.git.
- **Sitelink Count**: 1 in knowledge graphs (compared to 120 for the "free software" class).
- **Google Knowledge Graph ID**: /g/120l2tgj.

## FAQs
### Q: What is Gikonavi?  
A: Gikonavi is free software designed as a browser for accessing the Japanese 5channel platform. It is distributed under the 3-clause BSD license, enabling users to run, study, modify, and share it freely.  

### Q: Can I legally modify or sell Gikonavi?  
A: Yes, under its 3-clause BSD License, you can modify and redistribute Gikonavi, provided license/copyright notices are retained. Commercial use is permitted.  

### Q: Where is its source code maintained?  
A: Gikonavi’s source code is hosted on OSDN (Open Source Development Network), accessible via CVS and Git repositories like https://ja.osdn.net/cvs/view/gikonavi/ and http://scm.osdn.net/gitroot/gikonavigoeson/gikonavi.git.  

## Why It Matters
Gikonavi addresses the need for a dedicated browser for Japan’s influential 5channel community, enhancing accessibility and usability for a large user base. As free software, it empowers users to customize the tool to their needs while maintaining ethical distribution practices. Its presence on OSDN—a major Japanese open-source platform—ensures community collaboration and long-term viability. By adhering to the BSD license, it balances user freedom with sustainable development, making it a model for niche open-source utilities.  

## Notable For
- **Niche Functionality**: Purpose-built browser for 5channel, distinguishing it from general-purpose web browsers.
- **BSD License Adoption**: Uses 3-clause BSD, enabling permissive commercial use while mandating license retention.
- **Dual Version Control**: Maintained via both CVS (older) and Git (modern) on OSDN, reflecting its development evolution.
- **Exclusive Japanese Documentation**: No multilingual Wikipedia presence, indicating a specialized regional user base.

## Body
### License Details
Gikonavi is governed by the 3-clause BSD License. The license terms were verified on 2017-07-08 through the project’s OSDN readme file, confirming user freedoms for run, study, modification, and distribution.  

### Software Classification
- **Instance Of**: 5channel browser and free software (per Wikidata reference P143: Q177837).  
- **Copyright Status**: Copyrighted, though freely redistributable under open-source terms.  

### Documentation & Language
- **Wikipedia Coverage**: Only available in Japanese (wikipedia_languages: ja), reflecting its primary user base.  
- **Sitelink Count**: Single knowledge-graph entry (sitelink_count: 1), limited compared to broader "free software" entries.  

### Source Code Repositories
Hosted on OSDN with multiple access methods:  
- **CVS**: `cvs://anonymous@cvs.osdn.net:/cvsroot/gikonavi` and `cvs://pserver:anonymous@cvs.osdn.net:/cvsroot/gikonavigoeson`.  
- **Git**: `http://scm.osdn.net/gitroot/gikonavigoeson/gikonavi.git` and `git://git.osdn.net/gitroot/gikonavigoeson/gikonavi.git` (Git ID: Q186055).  

### Identifiers
- **Google Knowledge Graph**: /g/120l2tgj.

## References

1. [Source](https://ja.osdn.net/cvs/view/gikonavi/gikonavi/readme/readme.txt?revision=1.135&view=co)