GumTreeDiff / gumtree

An awesome code differencing tool

javaparser / javaparser

Java 1-25 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

openrewrite / rewrite

Automated mass refactoring of source code.

INRIA / spoon

Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.