Top 13 datalog open source projects

Graal is a Java toolkit for querying knowledge bases within the framework of existential rules, aka Datalog+/-. See Graal's homepage:

Mirror of Doop: https://bitbucket.org/yanniss/doop

TupleNet is a lightweight tool for building virtual-networking

📝 Web-based, reactive Datalog notebooks for data analysis and visualization

BDD-based implementation of Datalog

Java Datalog Engine with Semi-Naive Evaluation and Stratified Negation

(subjective) overview of projects which are related both to python and semantic technologies (RDF, OWL, Reasoning, ...)

🍵 SPARQL-like DSL for querying in memory Linked Data Models

Logica is a logic programming language that compiles to StandardSQL and runs on Google BigQuery.

Fixing static analysis violations in Java source code using Datalog

simplified query engine based on logic programming paradigm

A Clojure implementation of the logic programming language from chapter 4 of SICP

A Datalog compiler and library