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#json (30 Repositories)

Ranked open-source repositories tagged with #json, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

82.4%

Avg Review Latency

50.9h

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30 repositories tagged #json

S TierJavaScript 3.3k 17 GFIs

neomjs/neo

Neo.mjs is a self-evolving software organism: a professional end-to-end AI engineering team whose cross-model swarm inhabits live apps via Neural Link, Active Hybrid GraphRAG, DreamService, and self-healing loops.

90.2%
Merge Rate
10h
First Review
78%
1st-Timers
19
Maintainers
S TierJavaScript 397

Seeed-Studio/wiki-documents

https://wiki.seeedstudio.com Seeed Studio Wiki source code

86.9%
Merge Rate
7d
First Review
74%
1st-Timers
6
Maintainers
S TierGo 2.6k 1 GFIs

neilotoole/sq

sq data wrangler

93.6%
Merge Rate
3d
First Review
67%
1st-Timers
4
Maintainers
A TierJavaScript 210

accordproject/concerto

Business schema language and runtime

54.4%
Merge Rate
2h
First Review
40%
1st-Timers
13
Maintainers
A TierRust 101

woodruffw/toml2json

A very small CLI for converting TOML to JSON

89.7%
Merge Rate
<1h
First Review
100%
1st-Timers
2
Maintainers
A TierTypeScript 13.9k

glideapps/quicktype

Generate types and converters from JSON, Schema, and GraphQL

91.5%
Merge Rate
8h
First Review
50%
1st-Timers
7
Maintainers
A TierJavaScript 5.5k

expressjs/body-parser

Node.js body parsing middleware

83.3%
Merge Rate
5h
First Review
100%
1st-Timers
7
Maintainers
A TierJava 2.4k

FasterXML/jackson-core

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

64.6%
Merge Rate
18h
First Review
60%
1st-Timers
12
Maintainers
A TierC++ 247

llnl/conduit

Simplified Data Exchange for HPC Simulations

85.0%
Merge Rate
12h
First Review
75%
1st-Timers
6
Maintainers
A TierC++ 307

sourcemeta/jsonschema

The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines

89.4%
Merge Rate
12d
First Review
50%
1st-Timers
5
Maintainers
A TierGo 398

kiki-ki/go-qo

qo is an interactive minimalist TUI to query JSON and CSV using SQL.

100.0%
Merge Rate
2h
First Review
100%
1st-Timers
1
Maintainers
A TierC# 9.6k

reactiveui/refit

The automatic type-safe REST library for .NET. Refit turns a REST API into a C# interface and generates the HttpClient implementation, with support for HttpClientFactory, pluggable serializers and a testing package.

88.5%
Merge Rate
2d
First Review
83%
1st-Timers
5
Maintainers
A TierC++ 130

sourcemeta/blaze

The ultra high-performance C++ JSON Schema validator, providing validation even down to the nano-second range (depends on schemas and hardware) along with perfect compliance scores. Supports Draft 4, Draft 6, Draft 7, 2019-09 and 2020-12. For both servers and embedded devices

85.1%
Merge Rate
10d
First Review
50%
1st-Timers
5
Maintainers
A TierPython 9.3k

saulpw/visidata

A terminal spreadsheet multitool for discovering and arranging data

80.6%
Merge Rate
16h
First Review
80%
1st-Timers
12
Maintainers
A TierPython 8.7k

kellyjonbrazil/jc

CLI tool and python library that converts the output of popular command-line tools, file-types, and common strings to JSON, YAML, or Dictionaries. This allows piping of output to tools like jq and simplifying automation scripts.

86.4%
Merge Rate
3h
First Review
75%
1st-Timers
2
Maintainers
A TierTypeScript 4.9k

surveyjs/survey-library

Open-source JavaScript form library for React, Angular, Vue, and plain JavaScript. Render dynamic JSON-driven forms, multi-step form wizards, surveys, quizzes, and other data-entry tools.

75.9%
Merge Rate
4d
First Review
67%
1st-Timers
10
Maintainers
A TierJava 11.5k

apple/pkl

A configuration as code language with rich validation and tooling.

73.9%
Merge Rate
7h
First Review
50%
1st-Timers
20
Maintainers
A TierGo 12.3k

open-policy-agent/opa

Open Policy Agent (OPA) is an open source, general-purpose policy engine.

79.8%
Merge Rate
3d
First Review
52%
1st-Timers
30
Maintainers
A TierTypeScript 290

inversify/monorepo

A powerful and lightweight inversion of control container for JavaScript & Node.js apps powered by TypeScript.

77.1%
Merge Rate
11h
First Review
50%
1st-Timers
4
Maintainers
A TierPHP 954

web-token/jwt-framework

JWT Framework

94.1%
Merge Rate
<1h
First Review
100%
1st-Timers
0
Maintainers
A TierTypeScript 113

golemui/golemui

Declarative dynamic form engine. Define dynamic forms with a typed TypeScript builder or as JSON, then render them in React, Angular, Vue, Lit, or vanilla JS. Includes validation, i18n, accessibility, theming, and an MCP server for AI assistants.

93.4%
Merge Rate
-
First Review
100%
1st-Timers
2
Maintainers
A TierJava 310

eiiches/jackson-jq

jq for Jackson Java JSON Processor

79.4%
Merge Rate
22h
First Review
100%
1st-Timers
2
Maintainers
A TierElixir 2.1k

elixir-tesla/tesla

The flexible HTTP client library for Elixir, with support for middleware and multiple adapters.

90.8%
Merge Rate
-
First Review
100%
1st-Timers
6
Maintainers
A TierC++ 9.5k

pocoproject/poco

The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.

73.9%
Merge Rate
1d
First Review
75%
1st-Timers
13
Maintainers
A TierC++ 3.1k

stephenberry/glaze

Extremely fast, in memory, serialization, reflection, and RPC library for C++. JSON, BEVE, BSON, CBOR, CSV, JSONB, MessagePack, TOML, YAML, EETF

76.5%
Merge Rate
19h
First Review
46%
1st-Timers
19
Maintainers
A TierRust 134

anweiss/cddl

Concise data definition language (RFC 8610) implementation and JSON and CBOR validator in Rust

74.3%
Merge Rate
1h
First Review
33%
1st-Timers
3
Maintainers
A TierPython 514

snarfed/granary

💬 The social web translator

97.2%
Merge Rate
2d
First Review
100%
1st-Timers
1
Maintainers
A TierTypeScript 15.9k 1 GFIs

rjsf-team/react-jsonschema-form

A React component for building Web forms from JSON Schema.

55.6%
Merge Rate
-
First Review
67%
1st-Timers
18
Maintainers
A TierPHP 224

openfintechio/openfintech

ARCHIVED — moved to internal GitLab. Latest data: https://static.openfintech.io/raw/

93.6%
Merge Rate
12d
First Review
100%
1st-Timers
3
Maintainers
A TierRust 25.9k

biomejs/biome

A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.

67.5%
Merge Rate
2d
First Review
53%
1st-Timers
100
Maintainers