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Donut RAPT

Also known as: Donut 2.52Rapt
2001 – 2014 Discontinued
45

Open-source Japanese tabbed browser on the Internet Explorer engine, successor to Donut R, developed by RAPT from 2001 to 2014: per-bookmark security settings, multi-word search, mouse gestures, tab/MDI modes; some features were carried over into Fenrir's Sleipnir and Grani.

Facts

Developer
RAPT (independent developer), product managed by Fenrir Inc.
Website
www.rapt21.com
Engine
Trident
Derived from
Donut R
Platforms
Windows
Details
Windows 95 to 10, IE 5.0+; #1 (Sept. 10, 2001) to #135 (May 6, 2013), test build #136 (Apr. 27, 2014); Japanese and English versions; source code published (free modification and redistribution, commercial use prohibited)
Popularity
45/100 — Estimate: a “classic browser” according to 窓の杜 (2006), distributed on Vector for 12 years, ≈100k users at peak

Lineage

Derived browsers (1)
Donut L

Key versions

  1. —TridentRAPT, who had helped write its help, takes over Donut R after its development stopped.[1]
  2. #51Version #51: keyword exclusion option in the search bar.[2]
  3. —RAPT joins Fenrir (Sleipnir, Grani); Donut RAPT development continues.[1]
  4. #130Version #130, with fixes for Windows 7.[3]
  5. #133Version #133: the About box also shows the RoboForm version.[3]
  6. #135Last version.[3]

Version sources: [1] forest.watch.impress.co.jp, [2] forest.watch.impress.co.jp, [3] rapt21.com

Sources

  1. https://ja.wikipedia.org/wiki/Donut_RAPT
  2. https://www.rapt21.com/
  3. https://www.rapt21.com/DonutRAPT.php
  4. https://www.rapt21.com/download.php
  5. https://www.rapt21.com/DonutRAPT.txt
  6. http://rapt21.com/family.php
  7. https://forest.watch.impress.co.jp/article/2006/04/19/donut_fenrir.html
  8. https://forest.watch.impress.co.jp/article/2004/04/13/other.html