# Floorp

> web browser based on Firefox

**Wikidata**: [Q111893936](https://www.wikidata.org/wiki/Q111893936)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Floorp)  
**Source**: https://4ort.xyz/entity/floorp

## Summary
Floorp is a free software web browser based on the Firefox codebase, designed for cross-platform use on Linux, Microsoft Windows, and macOS. Launched in August 2021, it utilizes the Gecko layout engine and SpiderMonkey JavaScript engine to provide a customizable browsing experience under the Mozilla Public License 2.0.

## Key Facts
- **Classifications:** Identified as a web browser based on Firefox and categorized as free software.
- **Launch Date:** Development and project start time began on August 22, 2021.
- **Developer Transition:** Managed by the organization Ablaze until May 2025, after which management transitioned to the Floorp project.
- **Technical Engines:** Built using the Gecko layout engine (since December 2021) and the SpiderMonkey JavaScript engine.
- **Operating Systems:** Compatible with Linux, Microsoft Windows, and macOS.
- **Software License:** Distributed under the Mozilla Public License, version 2.0.
- **Distribution Channels:** Available via Flathub (Flatpak) for Linux and the Windows Package Manager for Microsoft Windows.
- **Stable Version:** Version 8.7.2 was released on April 29, 2022, based on Firefox 100.0.

## FAQs
### Q: What is the relationship between Floorp and Firefox?
A: Floorp is a web browser built upon the Firefox foundation. It utilizes Firefox's core technologies, specifically the Gecko layout engine and the SpiderMonkey JavaScript engine, while being distributed as an independent free software project.

### Q: Which operating systems can run Floorp?
A: Floorp is a cross-platform browser that supports Linux, Microsoft Windows, and macOS. It is distributed through various methods, including Flatpak on Linux and the Windows Package Manager.

### Q: Is Floorp open-source and free to use?
A: Yes, Floorp is classified as free software. It is licensed under the Mozilla Public License 2.0, which allows users to freely run, study, change, and distribute the software and its modified versions.

## Why It Matters
Floorp serves as a significant community-driven alternative in the web browser landscape, particularly for users who value the Firefox architecture but seek different management or feature sets. By adhering to the Mozilla Public License 2.0, it upholds the principles of free software, ensuring that the code remains transparent and modifiable by its user base. Its existence demonstrates the extensibility of the Gecko and SpiderMonkey engines outside of the standard Firefox release cycle.

The browser is notable for its broad accessibility, offering native support for all three major desktop operating systems: Windows, macOS, and Linux. This cross-platform availability, combined with modern distribution methods like Flatpak and the Windows Package Manager, makes it a viable option for a diverse range of technical environments. Furthermore, the project's transition from the Ablaze organization to an independent management structure in 2025 highlights the evolution of community-led software projects and their ability to sustain development through shifting governance models. For the global market, Floorp provides localized support, including a strong presence in the Japanese software community where it is known as "Floorp ブラウザー" (フロープ).

## Notable For
- **Cross-Platform Availability:** Native support and dedicated builds for Linux, macOS, and Microsoft Windows.
- **Engine Architecture:** Integration of the Gecko layout engine and SpiderMonkey JavaScript engine for web standards compliance.
- **Flexible Distribution:** Official presence on Flathub and the Windows Package Manager community repository.
- **Multilingual Support:** Official web presence and documentation available in multiple languages, including English and Japanese.

## Body

### Development and Governance
Floorp was established on August 22, 2021. The project was initially developed and managed by the organization **Ablaze**. In May 2025, the management structure of the Floorp projects was officially changed, transitioning oversight to the **Floorp project**. The browser is recognized by several aliases, including **Floorp Legacy** and the Japanese name **Floorp ブラウザー** (phonetically rendered in kana as **フロープ**).

### Technical Specifications
As a browser based on Firefox, Floorp relies on the following core components:
- **Layout Engine:** Gecko (implemented as the primary engine starting December 2, 2021).
- **JavaScript Engine:** SpiderMonkey.
- **License:** Mozilla Public License 2.0.
- **Source Code:** The project maintains a public repository on GitHub under the username **Floorp-Projects**.

### Version History and Releases
Floorp has maintained a consistent release cycle involving both stable and beta versions:
- **Early Stable Versions:** Version 7.0.0 was released on September 18, 2021, followed by version 8.0.0 on December 1, 2021.
- **Version 8.7.2:** Released on April 29, 2022, this version was based on Firefox 100.0 and was designated as the final functional update for the "Floorp Legacy" branch.
- **Beta Testing:** Version 7.0.1 was released as a beta version on September 12, 2021.
- **Iterative Updates:** The 8.x series saw numerous updates throughout early 2022, including versions 8.1.1, 8.2.4, and 8.3.6, focusing on privacy and localization.

### Distribution and Community
Floorp is distributed through multiple package management systems to ensure ease of installation:
- **Flatpak:** Distributed via Flathub under the ID `one.ablaze.floorp`.
- **Windows Package Manager:** Identified by the community package ID `Ablaze.Floorp`.
- **Web Presence:** The primary website is `floorp.app`, which hosts content in multiple languages.
- **Community Hubs:** The project maintains an active presence on social media and community platforms, including a dedicated subreddit and a Lemmy community (`floorp@lemmy.zip`).

## References

1. [Source](https://github.com/Floorp-Projects/About-Floorp-Projects/blob/main/UserLicense.md)
2. [Floorp 12 アップグレード FAQ | Floorp リリースノート & ブログ](https://blog.floorp.app/ja/notice/251027-floorp-12-upgrade-guide)
3. [Source](https://x.com/Floorp_Browser/status/1918232068024328216)
4. [Ablaze](https://ablaze.one/ja/news/2025-05-01-change-management-structure-of-floorp-projects/)
5. [Source](https://twitter.com/surapunoyousei/status/1520367477695295488)
6. [Floorp 8.7.2 「Floorp レガシーブラウザー最後の機能アップデート」](https://blog.ablaze.one/1757/2022-04-18/)
7. [Windows 8.7.2 （Firefox 100.0）](https://github.com/Floorp-Projects/Floorp-dev/releases/tag/8.7.2)
8. [Source](https://github.com/Floorp-Projects/Floorp-dev/releases/tag/8.7.2-linux)
9. [Source](https://twitter.com/Floorp_Browser/status/1436951655585497090)
10. [Source](https://repo.ablaze.one/?p=repo&id=floorp)
11. [Floorp 開発ブログ | ver 7.0.0](https://blog.ablaze.one/671/2021-09-12/)
12. [Floorp ブラウザ 8.1.1 リリースのお知らせ](https://blog.ablaze.one/910/2021-12-20/)
13. [Floorp ブラウザ 8.2.3 リリースのお知らせ](https://blog.ablaze.one/966/2022-01-13/)
14. [Floorp ブラウザ 8.1.2 リリースのお知らせ](https://blog.ablaze.one/931/2021-12-03/)
15. [Floorp ブラウザ 8.2.4 リリースのお知らせ](https://blog.ablaze.one/984/2022-01-13/)
16. [Floorp ブラウザ 8.3.5 リリースのお知らせ](https://blog.ablaze.one/1084/2022-01-18/)
17. [Floorp 8.3.6 「プライバシー・ローカライズ」アップデート！！](https://blog.ablaze.one/1146/2022-01-19/)
18. [Floorp 8.4.7 「Gesturefy 追加 ＋ エクスペリエンス強化」 アップデート](https://blog.ablaze.one/1246/2022-02-22/)
19. [Floorp 8.4.8 「スーパードラッグ削除・デザイン強化」アップデート](https://blog.ablaze.one/1324/2022-02-16/)
20. [Floorp 8.5.9 「Dino ゲーム追加・垂直タブ仕様変更」アップデート](https://blog.ablaze.one/1350/2022-02-19/)
21. [Floorp 8.6.0「通知機能・アップデート機能強化」アップデート](https://blog.ablaze.one/1385/2022-03-00/)
22. [Floorp 8.6.1 BETA リリースノート](https://blog.ablaze.one/1408/2022-03-10/)
23. [Floorp 8.6.1「アドオンのポリシー変更・期間限定テーマ追加」](https://blog.ablaze.one/1474/2022-03-00/)
24. [Update to Floorp 8.6.1](https://github.com/Floorp-Projects/Floorp-legacy-dev/pull/5)
25. [Floorp 8.6.2 「バグ修正・Google セーフブラウジングの有効化」](https://blog.ablaze.one/1680/2022-04-18/)
26. [Floorp 8.7.2 BETA リリースノート](https://blog.ablaze.one/1699/2022-04-02/)
27. [Source](https://github.com/Floorp-Projects/Floorp-dev/releases/tag/8.7.2b2)
28. [Source](https://github.com/Floorp-Projects/Floorp-dev/releases/tag/8.7.2b4)
29. [Source](https://github.com/Floorp-Projects/Floorp-dev/releases/tag/8.7.2b6)
30. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/10.0.0b1)
31. [Floorp 10.0.0 BETA リリースノート](https://blog.ablaze.one/1816/2022-05-12/)
32. [Source](https://github.com/Floorp-Projects/Archive-Floorp-dev/releases/tag/8.7.3)
33. [Floorp 8.7.3 リリースノート「セキュリティーマイナーアップデート」](https://blog.ablaze.one/1883/2022-05-23/)
34. [Source](https://github.com/Floorp-Projects/Archive-Floorp-dev/releases/tag/8.7.4)
35. [Floorp ブラウザー ｜ バージョン 8.9.9 リリースノート](https://blog.ablaze.one/1891/2022-05-00/)
36. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/10.0.0b11)
37. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/10.0.0b12)
38. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/10.0.0b13)
39. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/10.0.0b14)
40. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/10.0.0)
41. [Floorp ブラウザー｜バージョン 10.0.0 リリースノート](https://blog.ablaze.one/1950/2022-06-14/)
42. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/v10.0.1)
43. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/v10.0.2)
44. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/v10.0.3)
45. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/v10.0.4)
46. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/v10.1.0)
47. [Floorp ブラウザー｜バージョン 10.0.1 ~ 10.1.0 リリースノート](https://blog.ablaze.one/1994/2022-06-13/)
48. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/v10.2.0)
49. [Floorp ブラウザー｜バージョン 10.2.0 リリースノート](https://blog.ablaze.one/2031/2022-07-11/)
50. [Source](https://github.com/Floorp-Projects/Floorp/releases/tag/v10.3.0)