Parse, modify and generate Java code.

Re-energizes Java with powerful features like type-safe metaprogramming, structural typing and extension methods.

Unlimited runtime class and resource redefinition. (GPL-2.0-only)

Symbol solver.

Library that simplifies error handling by circumventing the issue that none of the functional interfaces in the Java Runtime is allowed by default to throw checked exceptions.

Ignores checked exceptions without bytecode manipulation. Can also be used inside Java 8 stream operations.