The state of Java Object Serialization libraries in Q2 2023

1. DSL-JSON

   1 6 1,027 2.5 Java

   High performance JVM JSON library

   

   You gotta at least add the top contender. I mean dsl-json is probably the fastest json lib java has to offer. I personally like Rob's avaje-jsonb, because I think the approach of no reflection, and doing everything via annotation processing is rad. (it also has some decent speed too)

2. CodeRabbit

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3. jsoniter

   2 3 1,513 0.0 Java

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

   

   What about jsoniter?

4. jvm-serializers

   3 7 3,290 4.4 Java

   Benchmark comparing serialization libraries on the JVM

   First, there's benchmarks here if you haven't seen it: jvm-serializers. Not terribly scientific, but it's something. To make any decision, you really need to benchmark your own object graph and it's important to configure the serializer for your particular usage. Still, it is sort of useful for comparing frameworks. It would be interesting to see how Loial performs there. Ping me if you add it.

5. jsonbeans

   4 1 93 10.0 Java

   Java object graphs, to and from JSON automatically

   

   JsonBeans is similar to YamlBeans in how it does object marshaling, but uses a Ragel parser. I like Ragel and thought parsing JSON with it was neat, particularly that I could easily relax JSON parsing rules: "JavaScript" where the object property names are only quoted when needed or "minimal" where both object property names and values are only quoted when needed. Also commas are optional, as much as possible. The generic object graph was inspired by cJSON. JsonBeans is embedded in libgdx, so sees a lot of usage there. JSON isn't the right choice of data format if you want fast or efficient, so JsonBeans goal is only to be convenient.

6. qson

   5 1 32 0.0 Java

   QSON is an object to JSON mapper

   

   https://github.com/quarkusio/qson also does code generation at build time using the Quarkus infrastructure and thus avoids reflection at runtime

7. Nutrient

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