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simdjson is a high-performance, header-only C++ library designed for parsing, querying, and serializing JSON data with minimal memory overhead. It functions as a hardware-aware data processing engine that leverages vector instructions to achieve gigabyte-per-second parsing speeds. By detecting host processor capabilities at runtime, the library automatically selects the most efficient instruction sets to accelerate structural analysis and validation. The library distinguishes itself through a focus on extreme efficiency and resource management. It utilizes memory mapping and padded buffer ali

gjson is a Go JSON parser designed for schema-less reading and value extraction. It allows for the retrieval of specific data from JSON documents using dot-notation paths without requiring the definition of predefined Go structs. The library provides tools for path-based querying, including the use of wildcards and index-based queries to locate data within objects and arrays. It also functions as a JSON lines processor, treating multi-line documents as arrays to iterate and query individual entries. Additional capabilities include converting JSON values into native Go types such as strings,

RapidJSON is a high-performance C++ library used for parsing and generating JSON data. It provides both document object model and stream-based interfaces to transform JSON strings into structured data and vice versa. The library includes a JSON schema validator to verify that documents conform to predefined rules and a Unicode transcoder for converting strings between UTF-8, UTF-16, and UTF-32 encodings. It also supports relaxed parsing for non-standard JSON containing comments or trailing commas. Additional capabilities cover JSON pointer navigation for locating specific values and string s

oboe.js es un analizador (parser) de JSON por streaming y un cliente HTTP diseñado para el procesamiento incremental de datos. Permite que las aplicaciones actúen sobre objetos JSON individuales a medida que llegan de una solicitud de red o un flujo de lectura, antes de que se complete la descarga total. La biblioteca funciona como un transformador de flujos JSON, permitiendo la modificación, filtrado y mapeo de nodos al vuelo. Cuenta con selección de nodos basada en rutas para activar callbacks cuando se encuentran patrones específicos y puede terminar una conexión de red prematuramente una vez que se encuentran los datos requeridos para ahorrar ancho de banda. Para manejar conjuntos de datos que superan la memoria disponible del sistema, la biblioteca utiliza una gestión de memoria basada en flujos para descartar los nodos procesados. También admite la fusión de registros históricos con actualizaciones en tiempo real a través de conexiones de larga duración y proporciona la capacidad de recuperar datos parciales si se interrumpe una conexión.