Mojang/DataFixerUpper

Copybara: A tool for transforming and moving code between repositories.

Scala library for boilerplate-free, type-safe data transformations

General data-binding package for Jackson: works on streaming API (core) implementation(s)

Protocol Buffers - Google's data interchange format

Easily migrate your codebase from one framework or language to another.

Spoon is a metaprogramming library to analyze and transform Java source code. 🥄 is made with ❤️, 🍻 and ✨. It parses source files to build a well-designed AST with powerful analysis and transformation API.

FlatBuffers: Memory Efficient Serialization Library

Apache Avro is a data serialization system.

dbt enables data analysts and engineers to transform their data using the same practices that software engineers use to build applications.