Fastjson is a JSON processor (JSON parser + JSON generator) written in Java

Standalone implementation of BLAKE2b cryptographic hash function in Java

Square’s meticulous HTTP client for Java and Kotlin.

A type-safe HTTP client for Android and Java.

A Retrofit Converter which uses Jackson for serialization.

The Apache Commons Codec component contains encoders and decoders for

Jakarta Expression Language defines an expression language for Java applications

JavaBeans Validation (Bean Validation) is a validation model that can add constraints to the beans with annotations ...

Joda-Time provides a quality replacement for the Java date and time classes. Note that from Java SE 8 onwards, users ...

Implementation of EdDSA in Java

The Apache Commons Collections package contains types that extend and augment the Java Collections Framework.

Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are ...

The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains the JCA/JCE ...

GlassFish implementation of the Expression Language (EL) used in JSP and JSF applications.

Hibernate's Jakarta Validation reference implementation.

Jakarta/Apache commons logging 1.2 implemented over SLF4J

Curve25519 library for Java

Binding/provider for SLF4J, which outputs all events to System.err. Only messages of level INFO and higher are printed.