Jackson vs jsoniter

Jackson

Core part of Jackson that defines Streaming API as well as basic shared abstractions (by FasterXML)

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jsoniter

jsoniter (json-iterator) is fast and flexible JSON parser available in Java and Go (by json-iterator)

JSON json-parser Java Serialization Serializer Deserialization Parser

Source Code

jsoniter.com

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Jackson		jsoniter
	Project
4	Mentions	3
2,231	Stars	1,489
0.7%	Growth	0.3%
9.5	Activity	0.0
6 days ago	Latest Commit	2 months ago
Java	Language	Java
Apache License 2.0	License	MIT License

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

Jackson

Posts with mentions or reviews of Jackson. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-10-07.

Streaming Large JSON Response in Spring.
3 projects | dev.to | 7 Oct 2022

To put things simply, this method findAllStreaming() takes an OutputStream to write the whole json response into. To write json into the stream chunk by chunk we are using JsonGenerator. JsonGenerator is provided by Jackson-Core. More detailed about how to write stream event is covered in this blog post by the author of the library.
Are .csv files a known 'anti-pattern' and/or not a modern data format?
1 project | /r/Database | 10 Jan 2022

So do XML and JSON.
Ryū: fast float-to-string conversion (Java lib, 2018 paper)
3 projects | /r/java | 7 Mar 2021

Jackson already has some improvements for string-to-number conversion over stock JDK parser (https://github.com/FasterXML/jackson-core/pull/677). Would be great if they added faster number-to-string too.
💾 Java Records 💿 with Jackson 2.12
2 projects | dev.to | 3 Mar 2021

🐞 Report issues here if you find any

jsoniter

Posts with mentions or reviews of jsoniter. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-04-07.

The state of Java Object Serialization libraries in Q2 2023
5 projects | /r/java | 7 Apr 2023

What about jsoniter?
Why is json logging the “standard”?
2 projects | /r/golang | 10 Mar 2023

If JSON decoding ever becomes a bottleneck, use https://jsoniter.com/ . Even fhe drop-in replacement API is faster than the stdlib. If you need absolute insane performance, use the streaming API.
Parsing Gigabytes of JSON per Second
7 projects | news.ycombinator.com | 23 Oct 2021

Protobuf parsing is slower than an optimized json library, e.g. https://jsoniter.com/

What are some alternatives?

When comparing Jackson and jsoniter you can also consider the following projects:

Moshi - A modern JSON library for Kotlin and Java.

Gson - A Java serialization/deserialization library to convert Java Objects into JSON and back

Yasson - Eclipse Yasson project

simdjson - Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

Genson - Genson a fast & modular Java <> Json library

HikariJSON - High-performance JSON parser

Jackson-datatype-money - Extension module to properly support datatypes of javax.money

jsonschema2pojo - Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc

ysoserial - A proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization.