GraphQL Router / API Gateway framework written in Golang, focussing on correctness, extensibility, and high-performance. Supports Federation v1 & v2, Subscriptions & more.

Grammar-based Fuzzer that uses WebIDL as a grammar.

Eureka is a fluent API surrounding the internal Javac tree code that allows developers to perform compile-time AST changes in Java more easily.

A Vite plugin that adds data attributes to JSX/TSX elements for development tracking and debugging

A tool for applying transformations to Java sources

Transforms JSX AST into regular JS AST

Turn your models into super models

Power-user mod for the Claude Code CLI. Gives built-in tools the parameters they should have had (batched Edit, bat-style Read ranges, Bash output tails), unlocks hidden capabilities (max /effort, Tab-queued drafts, plan compact-execute), and fixes upstream bugs (shell quoting, LSP fan-out).

Swift implementation of The Super Tiny Compiler - transforms LISP syntax to Swift function calls

ReluxScript is a domain-specific language for writing AST transformation plugins that compile to both Babel (JavaScript) and SWC (Rust). It enforces a strict visitor pattern with explicit ownership semantics that map cleanly to both garbage-collected and borrow-checked runtimes.

A set of guides for the internal TreeMaker class.

This is a small AST transformation that allows you to get the source code of a Class at run-time.

Enforce the return type of a method in groovy.

Yet another ESTree AST traversal/modification library, making use of `this` binding and generators

AST transformations as an example of compile-time metaprogramming in groovy.

Glaze is a collection of Java annotations that provide additional ease-of-use features to your projects.

Interlucent is a small bridge library that combines Lucent and Eureka's features, as well as adding additional utilities.

Intercept and transform Go standard library code at compile time using -toolexec and AST rewriting.

Lucent is a framework for creating simplistic AST-transforming annotation processors.