GeezerVison

Cryptimeleon (pronounced /krɪptimiːliən/, “cryp-tee-meleon”) is an open-source Java library primarily aimed at cryptography researchers.

You want to prototype and benchmark your new kind of anonymous credentials, group signatures, attribute-based encryption, or other construction in the bilinear group setting? Try Cryptimeleon!

See https://cryptimeleon.org for more details.