Open-source alternatives to Csv2

Compile-time and runtime CSV parser written in Modern C++

Read ODS (OpenDocument Spreadsheet) into R as data frame. Also support writing data frame into ODS file.

Common Lisp JSON handling library (not a parser!), with the aim for convenience and brevity.

A header-only C++ library converts XML to JSON

RapidXML fork; XML namespacing, per-element parsing, etc

A C++11 library for parsing and serializing JSON to and from a DOM container in memory.

Interact with the component parts of an Excel file

Fast Native JSON Parser / Serializer for VBA. Compatible with Windows and Mac.

A C++, header-only library for constructing JSON and JSON-like data formats, with JSON Pointer, JSON Patch, JSON Schema, JSONPath, JMESPath, CSV, MessagePack, CBOR, BSON, UBJSON, toon-format

Class based json renderer in Crystal

TOML parser for Crystal

cJSON is a lightweight library for parsing, creating, and modifying JSON data structures within C applications. It provides a comprehensive set of utilities for transforming raw text into navigable objects, manipulating data fields within collections, and serializing complex structures into formatted or unformatted strings. The library is designed for memory-sensitive and resource-constrained environments, utilizing manual memory management and type-tagged union structures to maintain a minimal footprint. It employs recursive descent parsing and in-place string manipulation to process data ef

Automatic (encoding, end of line, column width, etc) detection for text files. 100% Common Lisp.

MaxMind GeoIP2 Reader for Crystal

MaxMind DB Reader for Crystal

Common Lisp system for decoding public JSON Web Keys (JWK)

Cross-platform C++ library providing a simple API to read and write INI-style configuration files

Rcpp Bindings to C++ parser for TOML files

YAML parser for Common Lisp

A C++20 header-only bencode library.

Simple parser combinators for Common Lisp.

A JOSE implementation

Just another header-only C++17 CSV parser

A fast, lightweight and single-header C++ csv parser library