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Community Z Tools Project (CZT):
Tools for editing, typechecking and animating Z
specifications and related notations.
Includes a Java framework for building formal methods tools.
NOTE: development of CZT has now moved to GitHub:
https://github.com/community-z-users/czt
eXist-db is a feature rich Open Source native XML database
eXist-db is a native XML database featuring efficient, index-based XQuery processing, extensions for keyword search, XUpdate support, XSLT support, XForms support, REST and tight integration with existing XML development tools. Moved to Github - https://www.github.com/exist-db/exist
NOTE: Yacas and yagy development has moved to github. The new repositories are located at https://github.com/grzegorzmazur/yacas and https://github.com/grzegorzmazur/yagy . The mailing list has been moved over to https://groups.google.com/forum/#!forum/yacas . The downloads section at sourceforge will be kept up to date for the foreseable future.
Yacas is an easy to use, general purpose computer algebra system.
N.B. THE PROJECT HAS BEEN MOVED TO GITHUB
https://github.com/jiprolog/
JIProlog is a cross-platform pure Java 100% Prolog interpreter that integrates Prolog and Java languages in a very fashinating way.
JIProlog is compliant with the major Prolog interpreters. It supports most of ISO Prolog specifications and the most common and used built-in predicates,
JIProlog allows to call Prolog predicates from Java without dealing with native code (JNI or JNA) and allows to invoke Java methods from Prolog in the same way you call predicates.
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Moved to GitHub https://github.com/fedups
Algebraic equation processing at run time for Java programs. Supports variables, functions with parameters, rate table lookups, an embedded "if" function... Infinitely extensible, very small footprint.
A Java based simulator for the LC-3 16bit processor used in several CSS classes.
(specifically in the book "Introduction to Computing Systems: From Bits and Gates to C and Beyond" (2nd Ed)
Moved to GitHub