Peta Walkers

Readme - Licenses - History - FAQ(in Japanese) - Virtual Key Codes(in Japanese)

Licenses

Petaclone

The Petaclone Software License

Copyright (c) 2003-2025 Takayuki Shoji, 2026 Takayuki Shoji, Expression K.K. and contributors. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
  3. The end-user documentation included with the redistribution, if any, must include the following acknowledgment:
    "This product includes software developed by Takayuki Shoji, Expression K.K. and contributors (https://www.e8n-inc.com/petaclone/)."
    Alternately, this acknowledgment may appear in the software itself, if and wherever such third-party acknowledgments normally appear.
  4. The name "Petaclone" must not be used to endorse or promote products derived from this software without prior written permission. For written permission, please contact takayuki.shoji (at sign) gmail.com.
  5. Products derived from this software may not be called "Petaclone", nor may "Petaclone" appear in their name, without prior written permission.

THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL TAKAYUKI SHOJI, EXPRESSION K.K. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

(This software license is based on The Apache Software License Version 1.1)

Java Runtime

This software includes Eclipse Temurin (OpenJDK), a Java runtime developed by Eclipse Adoptium. The license is GNU General Public License, version 2 with the Classpath Exception. The licenses and notices are in the runtime\legal folder on Windows, and in the Petaclone.app/Contents/runtime/Contents/Home/legal folder on Mac. The version is described in the release file in the same place. The source code is available at https://github.com/adoptium/jdk25u.

The Eclipse Foundation

This software includes SWT developed by The Eclipse Foundation. The license is Eclipse Public License Version 2.0 ("EPL"). See swt/about.html for the third party content included in SWT.

this software is based in part on the work of the Independent JPEG Group

The Apache Software Foundation

This software includes reload4j, which is based on Apache log4j 1.2 developed by The Apache Software Foundation. The license is Apache License Version 2.0.

JIntellitype

This software includes JIntellitype 1.5.6 developed by Melloware Inc. The license is Apache License Version 2.0.

The Seasar Foundation

This software includes a part of S2Container.Java developed by The Seasar Foundation. The license is Apache License Version 2.0.

IP Messenger for Java

Encryption code of IP Messenger protocol was derived from IP Messenger for Java.

J/Migemo

This software includes J/Migemo. The license is MIT/X. See jmigemo_LICENSE.txt.

QR code class library for Java

Calculation of QR code was derived from QR code class library for Java ver.0.50beta10. See qrcode_README.txt for more details.

icons

A part of icons are Eclipse Public License Version 1.0 ("EPL"). Other icons are licensed under The Petaclone Software License.

Readme - Licenses - History - FAQ(in Japanese) - Virtual Key Codes(in Japanese)