A Java IDE designed for beginners, where programmers view and edit classes and methods via a graphical user interface rather than needing to understand the structural code. The IDE also incorporates a GUI builder to facilitate graphical applications.

Game to simulate a jigsaw. Pieces can be rotated and translated and are based on Pentominoes. Initially written in Java, but will translate easily to C++ because interface and implement are separate.

From Glossary of "Weaving the Web" ( 1999-07-23) Open source Web server of great modularity, written in Java. From W3C and friends. The Jigsaw home page

Jigsaw is a Web server from the World Wide Web Consortium (W3C) that is designed for the purpose of demonstrating new Web protocol and other features. Jigsaw is written in the Java programming language and made available as open source software.

Jigsaw is a website that facilitates the selling and trading of business contacts. It was founded on January 1, 2004 by Jim Fowler, and contains approximately three million contacts from 150,000 companies.