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Json

601 projects

Showing 36 of 601 projects

argonaut
argonautScala

A purely functional JSON library for Scala providing parsing, printing, manipulation, and type-safe codecs.

#functional-programming#argonaut#data-serialization
Stars544
Forks107
Last commit2 days ago
Mockneat
MockneatJava

A modern Java library for generating realistic mock data with a fluent API, supporting JSON, XML, CSV, and SQL.

#randomizer#arbitrary data#data-generator
Stars534
Forks46
Last commit8 days ago
Groot
GrootObjective-C

A Swift library for serializing Core Data object graphs to and from JSON using model annotations.

#ios#value-transformer#objective-c
Stars533
Forks63
Last commit6 years ago
DAW JSON Link
DAW JSON LinkC++

A high-performance, no-allocation C++ JSON library for direct parsing to custom data structures with declarative mappings.

#parse#constexpr#high-performance
Stars513
Forks36
Last commit3 days ago
ESP MQTT Digital LEDs
ESP MQTT Digital LEDsArduino

ESP8266 firmware for controlling digital LED strips via MQTT and Home Assistant with color, effects, and transitions.

#iot#home-automation#fastled
Stars510
Forks263
Last commit5 years ago
Quamina
QuaminaGo

A high-performance Go library for matching JSON events against multiple patterns with support for wildcards, regex, and complex queries.

#event-driven#high-performance#concurrent
Stars506
Forks31
Last commit6 days ago
PMHTTP
PMHTTPSwift

A Swift/Obj-C HTTP framework built on URLSession with first-class REST and JSON support.

#ios#rest#library
Stars502
Forks35
Last commit5 years ago
Acts_As_Api
Acts_As_ApiRuby

A Ruby library for easily defining and rendering JSON/XML API responses from Rails models.

#mongoid#json-api#api-serialization
Stars501
Forks67
Last commit6 years ago
jsonista
jsonistaClojure

A high-performance Clojure library for JSON encoding and decoding, built on Jackson.

#jackson#metosin-stable#clojure
Stars477
Forks33
Last commit17 days ago
JsonFlatFileDataStore
JsonFlatFileDataStoreC#

A lightweight .NET library for storing and querying data in JSON flat files with support for typed and dynamic data.

#datastore#database#data-persistence
Stars477
Forks68
Last commit1 month ago
jl
jlHaskell

A tiny functional language for querying and manipulating JSON, like sed but for JSON data.

#stream-processing#haskell#functional-programming
Stars476
Forks19
Last commit4 years ago
json-struct
json-structC++

A single-header C++ library for parsing JSON directly to C++ structs and serializing structs back to JSON.

#parse#c-plus-plus-11#template-metaprogramming
Stars474
Forks60
Last commit1 month ago
Configurate
ConfigurateJava

A Java configuration library with a node-based data model, multiple format support, and transformation tools.

#object-mapping#hacktoberfest#java-library
Stars467
Forks88
Last commit2 days ago
Plank
PlankSwift

A command-line tool for generating immutable model classes from JSON Schemas for Objective-C, Java, and JavaScript (Flow).

#ios#objective-c#type-safety
Stars466
Forks45
Last commit2 years ago
bson-rust
bson-rustRust

A Rust library for encoding and decoding BSON (Binary JSON) with Serde integration.

#bson#serde#no-sql
Stars461
Forks155
Last commit3 days ago
PL/JSON
PL/JSONPLSQL

A PL/SQL object type and API for parsing, generating, and manipulating JSON data within Oracle databases.

#backend-development#oracle#plsql
Stars460
Forks180
Last commit2 years ago
frozen_record
frozen_recordRuby

ActiveRecord-like read-only interface for querying static YAML/JSON files in Ruby applications.

#data-querying#static-data#yaml
Stars449
Forks48
Last commit2 months ago
JSONNeverDie
JSONNeverDieSwift

An auto-reflection Swift library for seamless JSON to Model mapping and user-friendly JSON encoding/decoding.

#model-reflection#ios#auto-reflection
Stars443
Forks38
Last commit8 years ago
python-stix2
python-stix2Python

OASIS TC Open Repository: Python APIs for STIX 2

#oasis#cyber-threat-intelligence#python
Stars440
Forks130
Last commit8 months ago
tirexs
tirexsElixir

An Elixir-flavored HTTP client and DSL library for building JSON-based queries and settings for Elasticsearch.

#elixir#dsl#database-client
Stars424
Forks88
Last commit4 years ago
zsv
zsvC

A high-performance SIMD CSV parser library and extensible CLI utility for tabular data processing.

#high-performance#simd#csv-to-json
Stars414
Forks23
Last commit5 days ago
SAFRS: Python OpenAPI & JSON:API Framework
SAFRS: Python OpenAPI & JSON:API FrameworkPython

Expose SQLAlchemy models as JSON:API resources with auto-generated OpenAPI documentation for Flask and FastAPI.

#fastapi#json-api#orm
Stars411
Forks71
Last commit1 month ago
Fake JSON Server
Fake JSON ServerC#

A .NET-based fake REST API server for prototyping and CRUD backends, with GraphQL support and no database required.

#crud-backend#fake-server#fake-data
Stars409
Forks94
Last commit2 months ago
RestClient.Net
RestClient.NetC#

A type-safe, functional C# REST client library with compile-time exhaustiveness checking and OpenAPI/MCP code generation.

#functional-programming#rest-client#type-safety
Stars404
Forks51
Last commit2 days ago
jsonlite
jsonliteC

A robust, high-performance JSON parser and generator for R, optimized for statistical data and web APIs.

#data-serialization#json-generator#r-package
Stars403
Forks46
Last commit26 days ago
Groovy-wslite
Groovy-wsliteGroovy

Lightweight SOAP and REST webservice clients for Groovy with full control over requests.

#rest-client#proxy#webservices
Stars399
Forks112
Last commit2 years ago
pgclimb
pgclimbGo

A PostgreSQL utility to export data into different formats like JSON, CSV, XLSX, and XML with custom template support.

#reporting#data-export#command-line-tool
Stars393
Forks36
Last commit6 years ago
JSON-io
JSON-ioJava

A Java serialization library that converts objects to/from JSON, JSON5, and TOON formats, handling complex graphs and reducing LLM token usage by 40-50%.

#json5#java#object-graph
Stars388
Forks122
Last commit8 days ago
Arrow
ArrowSwift

A Swift library that simplifies JSON parsing with a concise arrow operator, eliminating boilerplate code.

#ios#micro-framework#swift-package-manager
Stars387
Forks28
Last commit2 years ago
json-fortran
json-fortranFortran

A user-friendly, thread-safe, and object-oriented API for reading and writing JSON files in modern Fortran.

#scientific-computing#compiler-support#object-oriented-fortran
Stars384
Forks100
Last commit4 months ago
fig
figGo

A minimalist Go library for loading configuration from files and environment into structs with validation and defaults.

#environment-variables#yaml#environment
Stars383
Forks33
Last commit1 year ago
yojson
yojsonOCaml

A low-level JSON and JSON5 parsing and pretty-printing library for OCaml.

#parsing#functional-programming#library
Stars368
Forks61
Last commit17 days ago
Neon
NeonPascal

A Delphi library for JSON serialization and deserialization of objects, records, and other Delphi types.

#object-mapping#rest#library
Stars364
Forks99
Last commit16 days ago
PMJSON
PMJSONSwift

A pure Swift JSON encoding/decoding library with a strongly-typed API and comprehensive accessors.

#ios#json-encoder#codable
Stars361
Forks27
Last commit5 years ago
Webmozart JSON
Webmozart JSONPHP

A robust PHP JSON encoder/decoder with built-in schema validation and version migration support.

#composer#validation#data-migration
Stars352
Forks27
Last commit5 years ago
ws
wsSwift

A lightweight Swift client for connecting to JSON APIs with automatic model parsing and promise-based networking.

#httpclient#json-api#ios
Stars350
Forks32
Last commit6 years ago
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