Repositories list

• jackson-core

  Public
  Core part of Jackson that defines Streaming API as well as basic shared abstractions

  jsonjacksonhacktoberfest

  Java

  •

  Apache License 2.0

  •826•2.3k•20•5•Updated Feb 23, 2026Feb 23, 2026

• jackson-integration-tests

  Public

  FasterXML/jackson-integration-tests’s past year of commit activity
  Project that contains integration tests across Jackson components

  hacktoberfest

  Java

  •7•4•0•0•Updated Feb 23, 2026Feb 23, 2026

• jackson-module-scala

  Public

  FasterXML/jackson-module-scala’s past year of commit activity
  Add-on module for Jackson (https://github.com/FasterXML/jackson) to support Scala-specific datatypes

  serializationjsonscala+ 5xmlsmilejacksoncborhacktoberfest

  Scala

  •

  Apache License 2.0

  •140•507•53•4•Updated Feb 23, 2026Feb 23, 2026

• jackson-jakarta-rs-providers

  Public

  FasterXML/jackson-jakarta-rs-providers’s past year of commit activity
  Multi-module project that contains Jackson-based "new" Jakarta-RS (nee "JAX-RS" -- ones under `jakarta.ws.rs`) providers for JSON, XML, YAML, Smile, CBOR format…

  Java

  •

  Apache License 2.0

  •12•17•3•0•Updated Feb 23, 2026Feb 23, 2026

• jackson-jaxrs-providers

  Public

  FasterXML/jackson-jaxrs-providers’s past year of commit activity
  Multi-module project that contains Jackson-based "old" JAX-RS (ones under `javax.ws.rs`) providers for JSON, XML, YAML, Smile, CBOR formats

  jax-rsjacksonhacktoberfest

  Java

  •

  Apache License 2.0

  •82•123•15•0•Updated Feb 23, 2026Feb 23, 2026

• jackson-module-kotlin

  Public

  FasterXML/jackson-module-kotlin’s past year of commit activity
  Module that adds support for serialization/deserialization of Kotlin (http://kotlinlang.org) classes and data classes.

  kotlinserializationjson+ 4kotlin-librarydeserializationjacksonhacktoberfest

  Kotlin

  •

  Apache License 2.0

  •183•1.2k•63•1•Updated Feb 23, 2026Feb 23, 2026

• jackson-datatype-hibernate

  Public

  FasterXML/jackson-datatype-hibernate’s past year of commit activity
  Add-on module for Jackson JSON processor which handles Hibernate (https://www.hibernate.org/) datatypes; and specifically aspects of lazy-loading

  Java

  •108•328•31•2•Updated Feb 23, 2026Feb 23, 2026

• jackson-datatypes-misc

  Public

  FasterXML/jackson-datatypes-misc’s past year of commit activity
  Collection of common Jackson datatype modules not part of other multi-project repos

  Java

  •

  Apache License 2.0

  •22•31•1•0•Updated Feb 23, 2026Feb 23, 2026

• jackson-datatype-joda

  Public

  FasterXML/jackson-datatype-joda’s past year of commit activity
  Extension module to properly support full datatype set of Joda datetime library

  Java

  •

  Apache License 2.0

  •82•146•2•1•Updated Feb 23, 2026Feb 23, 2026

• jackson-datatypes-collections

  Public

  FasterXML/jackson-datatypes-collections’s past year of commit activity
  Jackson project that contains various collection-oriented datatype libraries: Eclipse Collections, Guava, HPPC, PCollections

  guavajacksonhacktoberfest+ 1eclipse-collections

  Java

  •

  Apache License 2.0

  •56•88•5•0•Updated Feb 23, 2026Feb 23, 2026

• jackson-module-jsonSchema

  Public

  FasterXML/jackson-module-jsonSchema’s past year of commit activity
  (DEPRECATED for Jackson 3) Module for generating JSON Schema (v3) definitions from POJOs

  Java

  •

  Apache License 2.0

  •137•385•34•2•Updated Feb 23, 2026Feb 23, 2026

• jackson-dataformat-xml

  Public

  FasterXML/jackson-dataformat-xml’s past year of commit activity
  Extension for Jackson JSON processor that adds support for serializing POJOs as XML (and deserializing from XML) as an alternative to JSON

  Java

  •

  Apache License 2.0

  •240•617•103•7•Updated Feb 23, 2026Feb 23, 2026

• jackson-dataformats-text

  Public

  FasterXML/jackson-dataformats-text’s past year of commit activity
  Uber-project for (some) standard Jackson textual format backends: csv, properties, yaml (xml to be added in future)

  jacksonhacktoberfesttextual-formats

  Java

  •

  Apache License 2.0

  •154•443•85•1•Updated Feb 23, 2026Feb 23, 2026

• jackson-dataformats-binary

  Public

  FasterXML/jackson-dataformats-binary’s past year of commit activity
  Uber-project for standard Jackson binary format backends: avro, cbor, ion, protobuf, smile

  protobufavrosmile+ 3cborhacktoberfestjackson-backends

  Java

  •

  Apache License 2.0

  •147•340•64•2•Updated Feb 23, 2026Feb 23, 2026

• jackson-modules-base

  Public
  Uber-project for foundational modules of Jackson that build directly on core components but nothing else; not including data format or datatype modules

  Java

  •

  Apache License 2.0

  •81•177•38•0•Updated Feb 23, 2026Feb 23, 2026

• jackson-jr

  Public

  FasterXML/jackson-jr’s past year of commit activity
  Stand-alone data-binding module designed as a light-weight (and -featured) alternative to `jackson-databind`: will only deal with "Maps, Lists, Strings, wrapper…

  Java

  •

  Apache License 2.0

  •34•264•6•2•Updated Feb 23, 2026Feb 23, 2026

• jackson-databind

  Public

  FasterXML/jackson-databind’s past year of commit activity
  General data-binding package for Jackson: works on streaming API (core) implementation(s)

  jsonjacksonhacktoberfest+ 1jackson-databind

  Java

  •

  Apache License 2.0

  •1.5k•3.7k•199•21•Updated Feb 23, 2026Feb 23, 2026

• jackson-bom

  Public

  FasterXML/jackson-bom’s past year of commit activity
  Bill of materials POM for Jackson projects

  Logos

  •

  Apache License 2.0

  •35•70•1•2•Updated Feb 23, 2026Feb 23, 2026

• jackson-parent

  Public
  Parent pom for all core Jackson components (but only those -- users should use `jackson-bom`)

  17•7•0•0•Updated Feb 23, 2026Feb 23, 2026

• oss-parent

  Public
  Grandpa pom for all projects under FasterXML git umbrella

  Apache License 2.0

  •16•8•0•1•Updated Feb 23, 2026Feb 23, 2026

• jackson-modules-java8

  Public
  Set of support modules for Java 8 datatypes (Optionals, date/time) and features (parameter names)

  jacksonhacktoberfestjava-date

  Java

  •

  Apache License 2.0

  •123•417•17•0•Updated Feb 23, 2026Feb 23, 2026

• jackson-annotations

  Public
  Core annotations (annotations that only depend on jackson-core) for Jackson data processor

  Java

  •

  Apache License 2.0

  •339•1.1k•16•1•Updated Feb 22, 2026Feb 22, 2026

• jackson

  Public

  FasterXML/jackson’s past year of commit activity
  Main Portal page for the Jackson project

  jacksonhacktoberfestjava-json+ 1java-json-library

  1.2k•9.7k•0•1•Updated Feb 13, 2026Feb 13, 2026

• java-classmate

  Public
  Library for introspecting generic type information of types, member/static methods, fields. Especially useful for POJO/Bean introspection.

  hacktoberfestjava-reflectiontidelift

  Java

  •

  Apache License 2.0

  •45•265•13•2•Updated Feb 2, 2026Feb 2, 2026

• stax2-api

  Public

  FasterXML/stax2-api’s past year of commit activity
  Extension API for Stax, Java pull-parsing API (STreaming Api for Xml)

  Java

  •

  BSD 2-Clause "Simplified" License

  •22•39•1•0•Updated Feb 2, 2026Feb 2, 2026

• woodstox

  Public
  The gold standard Stax XML API implementation. Now at Github.

  xmlxml-parserhacktoberfest+ 1stax-api

  Java

  •

  Apache License 2.0

  •83•244•38•4•Updated Jan 26, 2026Jan 26, 2026

• aalto-xml

  Public
  Ultra-high performance non-blocking XML processor (Stax API + extensions)

  Java

  •

  Apache License 2.0

  •73•304•15•4•Updated Dec 15, 2025Dec 15, 2025

• jackson-benchmarks

  Public

  FasterXML/jackson-benchmarks’s past year of commit activity
  Project that contains JMH-based micro-benchmarks to help with optimizations

  Java

  •13•17•0•1•Updated Oct 26, 2025Oct 26, 2025

• smile-format-specification

  Public
  New home for Smile format (https://en.wikipedia.org/wiki/Smile_(data_interchange_format))

  hacktoberfestsmile-format

  BSD 2-Clause "Simplified" License

  •14•108•1•0•Updated Aug 27, 2025Aug 27, 2025

• jackson-datatype-guava

  Public archive
  (DEPRECATED) -- moved under `jackson-datatypes-collections`

  Java

  •52•69•3•1•Updated Jan 20, 2025Jan 20, 2025