Open-Awesome
CategoriesAlternativesStacksSelf-HostedExplore
Open-Awesome

© 2026 Open-Awesome. Curated for the developer elite.

TermsPrivacyAboutGitHubRSS
  1. Home
  2. Tags
  3. Json

Json

601 projects

Showing 36 of 601 projects

Underscore-java
Underscore-javaJava

A Java port of Underscore.js providing functional programming utilities, XML/JSON processing, and fluent data manipulation.

#functional-programming#java#xml to json
Stars551
Forks83
Last commit3 days ago
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
Groot
GrootObjective-C

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

#ios#value-transformer#objective-c
Stars535
Forks63
Last commit6 years 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 commit3 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
Stars510
Forks35
Last commit1 day 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
Stars509
Forks264
Last commit5 years ago
PMHTTP
PMHTTPSwift

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

#ios#rest#library
Stars503
Forks35
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
Stars503
Forks28
Last commit19 days 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
Stars502
Forks67
Last commit5 years 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
Stars478
Forks68
Last commit7 days ago
jl
jlHaskell

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

#stream-processing#haskell#functional-programming
Stars475
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 commit2 days ago
jsonista
jsonistaClojure

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

#jackson#metosin-stable#clojure
Stars470
Forks31
Last commit5 months 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
Stars468
Forks45
Last commit2 years ago
Configurate
ConfigurateJava

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

#object-mapping#hacktoberfest#java-library
Stars465
Forks85
Last commit1 day ago
bson-rust
bson-rustRust

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

#bson#serde#no-sql
Stars460
Forks154
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
Forks181
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
Stars448
Forks48
Last commit7 days 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
Stars444
Forks38
Last commit8 years ago
python-stix2
python-stix2Python

OASIS TC Open Repository: Python APIs for STIX 2

#oasis#cyber-threat-intelligence#python
Stars435
Forks129
Last commit6 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
Stars426
Forks89
Last commit4 years 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
Stars412
Forks71
Last commit12 days 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
Stars407
Forks95
Last commit8 days 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
Stars405
Forks51
Last commit7 months 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
Forks45
Last commit1 month ago
Groovy-wslite
Groovy-wsliteGroovy

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

#rest-client#proxy#webservices
Stars398
Forks113
Last commit2 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
Stars397
Forks21
Last commit7 days 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
Forks38
Last commit6 years ago
marshmallow
marshmallowGo

A high-performance Go library for JSON unmarshalling that handles both known and unknown fields without data loss.

#json-unmarshalling#unstructured-data#go-library
Stars391
Forks12
Last commit3 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
Forks120
Last commit27 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 commit1 year 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
Stars382
Forks97
Last commit2 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
Stars382
Forks33
Last commit1 year ago
yojson
yojsonOCaml

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

#parsing#functional-programming#library
Stars366
Forks62
Last commit1 year 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
Neon
NeonPascal

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

#object-mapping#rest#library
Stars358
Forks96
Last commit2 days ago
PreviousPage 8 of 17Next

Related Tags

Community-curated · Updated weekly · 100% open source

Found a gem we're missing?

Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.

Submit a projectStar on GitHub
#Serialization103
#Go96
#Yaml72
#Golang72
#Json Parser70
#Rest Api60
#Xml55
#Developer Tools53
#Cli Tool50
#Cli43
#Http Client43
#Json Parsing41