Concept

JSON parsing

For serialising and parsing JSON, beyond the stdlib. Canonical packages in this category across 5 ecosystems — 6 packages total.

PyPI· Python

orjsonv3.11.9

PyPI

Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy

Safe default. Widely trusted across the ecosystem, actively maintained.

ujsonv5.12.1

PyPI

Ultra fast JSON encoder and decoder for Python

Safe default. Widely trusted across the ecosystem, actively maintained.

crates.io· Rust

serde_jsonv1.0.150

crates.io

A JSON serialization file format

Safe default. Widely trusted across the ecosystem, actively maintained.

RubyGems· Ruby

ojv3.17.1

RubyGems

The fastest JSON parser and object serializer.

MaintenanceHealthy

PopularityWidely used

SecurityClean

DepsZero deps

Solid choice. Well-adopted and active, actively maintained.

Maven· Java

com.fasterxml.jackson.core:jackson-databindv2.22.0

Maven

No description provided.

Maintained. Maintained, actively maintained.

NuGet· .NET

newtonsoft.jsonv13.0.4

NuGet

No description provided.

Aging — last published 8 months ago — check before adopting.

Other concepts

HTTP client Web framework Schema & validation Dates & times Data / numerics Test framework Database / ORM Logging Linter / formatter Image processing CLI argument parsing UI framework Frontend state management CSS utility framework