Deductive Database with Datalog, SQL, RA, TRC, DRC
Syntax tree editor for rapid annotation of existing text
The GNU Prolog native compiler
ECLiPSe Constraint Logic Programming System
Euler Yet another proof Engine
A Database System for Metamodeling and Method Engineering
Implements the stable model semantics without grounding.
Syllog is a system for teaching logic, with anonymous answer logging
PyCLP is a Python library to interface ECLiPSe Constraint System
C#Prolog -- A Prolog interpreter written in managed C#
Java Internet Prolog (Moved to GitHub)
A cross platform audio inteface
TuCSoN tuple-based coordination middleware
Goal-directed answer-set programming
(download) Linux Adequate"available approximately five days"
Teaching planner tool to help universities in developing countries