Software for Mac OS X

Last Update: 2009. 09. 18


This Web page shows applications for Mac OS X developed by myself. All of them are free software. See the copyright document included in each package.


The Latest Version: 5.00 (2009.09.18)
OS Versions: 10.6 Snow Leopard, 10.5 Leopard, and 10.4 Tiger
The Latest Version: 4.92 (2007.11.12)
OS Versions: 10.4 Tiger (Universal), 10.3 Panther, and 10.2 Jaguar

An image viewer. ToyViewer can display and save images in various formats. You can also apply various operations to images, such as clipping, flipping, rotation, enlarge, shrink, etc. ToyViewer provides many effects such as color tuning, enhancement, blur, mosaic, contour extraction, etc. The function to see images in a folder one after another in full screen is excellent, and it would useful as a comic viewer. Many new features are added into ToyViewer 5.00. For example, ToyViewer can display SVG images, can show animation of TIFF stacks, can list the information of Exif, and so on.

Typist for Mac OS X

The Latest Version: 2.01 (Universal) (2007.10.21)

A touch typing tutor.

It provides various kinds of lessons. The original lessons are from "typist" by D. J. Penney, 1991.


The Latest Version: 1.20 (2006.06.26)
OS Versions: 10.4 Tiger (Universal), 10.3 Panther, 10.2 Jaguar, and 10.1 Puma

IcoMaker can display and can make icon files with suffix "ico", which are used mainly on Windows. IcoMaker is also useful to make "favicon.ico" of your Web Pages.

IcoMaker is not a "Bitmap Editor". IcoMaker makes an ICO file assembling small images which are made by other tools.


The Latest Version: 1.01 for Tiger(Universal) (2006.05.07)
The Latest Version: 1.0 for earlier versions

RotSquare is a puzzle like well-known 15-puzzle. However, pieces move as if the game board is a torus.

RotSquare is originally developed on NeXTstep by Torikov. This is the port on Max OS X.


The Latest Version: 1.1

A software to make a presentation. ToyProjector displays each file in a list of plain text, RTF, HTML, image, and movie files on full-screen. ToyProjector supports both multi-screen and display mirroring.

You can reuse existing documents to make a presentation. As you can specify any background images you like, you can make your presentation so cool. A sample document is also ready.