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Apache Fory

Ranked 9 of 9 serialization formats by recommenders

Free open-source serialization framework recommended for object graphs and high throughput. Critics note it relies on internal JDK APIs and question its benchmark data.

Free open-source serialization framework recommended for object graphs and high throughput. Critics note it relies on internal JDK APIs and question its benchmark data.

7 people gave an opinion

recommend it
6
criticize it
1
approval share
86%
Each figure is one person. RecommendsCriticizes

Recommended in 4 of 13 months

  1. November 2025: not recommended
  2. December 2025: recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: recommended
  10. August 2026: not recommended
  11. September 2026: recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 6 people recommend itNeeds 10 or more, not met.
  • 6 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 4 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

What people warn about

Each mark is one comment

  • Relies on internal JDK APIs

    “Apache Fury recently fixed this very issue, but it still relies on internal JDK APIs in order to do it's work.”

    Comment from 2 Jul 2026 in “JEP 539: Strict Field Initialization in the JVM moved to preview”

    “Apache Fury recently fixed this very issue, but it still relies on internal JDK APIs”

    Comment from 3 Jul 2026 in “JEP 539: Strict Field Initialization in the JVM moved to preview”
  • Benchmark claims questioned

    “the data in that blog post doesn't show that”

    Comment from 18 Mar 2026 in “Apache Fory C++: 10x faster serialization than protobuf”

Other serialization formats people recommend

The four most recommended other serialization formats, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Apache Fory compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Protocol Buffers (protobuf)776654%1010 yrs3 owners—
Serde221658%10——
Cap'n Proto20580%7—Approved
Protobuf192543%8——
Apache ForyThis page6186%4——
See all 9 serialization formats, ranked

What people said

7 of the 8 comments that mention it, newest first. Each links to the original comment.

“Apache Fory achieved 2.78×–12.12× the throughput of kotlinx.serialization, Moshi with generated adapters, and Jackson Kotlin”

RecommendsComment from 22 Sep 2026 in “Apache Fory JSON: High-Performance JSON Serialization for Kotlin”

“Apache Fury recently fixed this very issue, but it still relies on internal JDK APIs”

MixedComment from 3 Jul 2026 in “JEP 539: Strict Field Initialization in the JVM moved to preview”

“Apache Fury recently fixed this very issue, but it still relies on internal JDK APIs in order to do it's work.”

MixedComment from 2 Jul 2026 in “JEP 539: Strict Field Initialization in the JVM moved to preview”

“was much slower and much bigger than Kryo 5 with no registration.”

CriticizesComment from 28 May 2026 in “Apache Fory v1.0.0 Serialization Framework Released”

“the data in that blog post doesn't show that”

MixedComment from 18 Mar 2026 in “Apache Fory C++: 10x faster serialization than protobuf”

“With fory first-class object graph serialziation support, you can serialize object graphs without manual *_id link reconstruction”

RecommendsComment from 11 Mar 2026 in “Extend Protobuf/FlatBuffers Schema IDL with Shared/Circular Reference Support”

“The only thing that says is schemeless and is zero copy is Apache Fory”

RecommendsComment from 13 Dec 2025 in “Java FFM zero-copy transport using io_uring”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.