BSON Libraries

Most of these libraries use the Apache 2 license, but check individual project details to confirm.

• AssemblyScript

  • assemblyscript-bson - A BSON encoder / decoder library written in AssemblyScript, compiles to WebAssembly. Can be used to enable transfer of complex objects between JavaScript and WebAssembly. Originally written to support smart contract development in WebAssembly.

• C

  • libbson - A library providing useful routines related to building, parsing, and iterating BSON documents. Used by the cross-platform libmongoc client library that provides a base for MongoDB drivers in higher-level languages such as PHP.

• C#/.NET

  • Json.NET - Adds support for reading and writing BSON to the popular Json.NET library.

  • MongoDB.Bson - The BSON library included with the official MongoDB C#/.NET driver.

  • Metsys.Bson - A BSON serializer/deserializer for .NET.

• C++

  • The MongoDB C++ Driver Library - The official MongoDB C++ driver includes a robust and well tested BSON implementation. You can use just the BSON portion of the driver library if desired.

  • github.com/jbenet/bson-cpp - A standalone C++ BSON implementation forked from the MongoDB C++ driver, with the non-BSON code pruned away.

  • github.com/dwight/bson-cxx - Another C++ BSON implementation originating from the MongoDB C++ driver. Non-BSON code was eliminated, Endian-awareness was added, and some attempts were made to simplify the interface.

  • JSON for Modern C++ - A library to make JSON a first-class data type in C++ which can read and write a subset of BSON that can map to JSON.

  • oatpp-mongo - BSON object-mapper plus MongoDB driver for Oat++ applications.

  • JSONCONS - A C++ header-only library for constructing JSON and JSON-like data formats including BSON, supports encode/decode of BSON byte string.

  • reflect-cpp - A C++-20 library that provides a unified reflection-based interface for various serialization formats, including BSON.

• D

  • vibe.data.bson - BSON serialization and value handling.

• Dart

  • bson_codec - A flexible serializer and deserializer for BSON documents.

• Delphi

  • DynamicDataObjects - Supports JSON, MessagePack, CBOR, CSV, BinaryJData, ICS, Smile, ION, UBJSON, and DDO. It includes tools for command-line conversion between formats, a windows app for editing and diffing these file types, and an explorer previewer plugin.

  • TMongoWire - A Delphi driver to access a MongoDB server. The driver includes jsonDoc.pas and bsonTools.pas to store and process documents.

  • kxBSON - Class for reading and writing a stream in BSON format.

• Elixir

  • cyanide - BSON implementation for Elixir.

  • elixir-cbson - BSON NIF for Elixir/Erlang.

• Factor

  • BSON reader and writer.

• Fantom

  • afBson - Implementation created to support the development of the afMongo driver for MongoDB.

• Go

  • mongo-go-driver - The official MongoDB Go driver.

  • bson - BSON library implemented within the official MongoDB Go driver. See the documentation to learn more.

• Haskell

  • bson package - BSON implementation for Haskell.

• Java

  • The BSON library (org.mongodb.bson) - A standalone BSON library, with a new Codec infrastructure that you can use to build high-performance encoders and decoders without requiring an intermediate Map instance.

  • bson4jackson - A pluggable BSON generator and parser for Jackson JSON processor.

  • ebson - Extensible BSON encoder/decoder library written in Java with pluggable Java-to-BSON type mappings.

  • Jongo (org.jongo.bson) - Included in the Jongo driver for MongoDB.

  • CookJson - Contains JSON and BSON parsers/generators for JSON API for Java (JSR 353).

• Julia

  • BSON.jl - A Julia package for working with the Binary JSON serialization format.

• Lisp

  • cl-mongo - Common Lisp interface for MongoDB.

• Lua

  • bson-lua - BSON generator/parser in pure Lua.

  • lua-bson - A simple BSON library for Lua implemented in C.

• Nim

  • bson (nimble package) - A BSON library in pure Nim.

• Node.js

  • bson - BSON serialization and deserialization library used by the official MongoDB Node.js driver.

• OCaml

  • Bson.ml - A BSON encoder / decoder in OCaml, built for MongoDB.

• Perl

  • Mango::BSON - Included with Mango, a Pure-Perl non-blocking I/O MongoDB driver.

• PHP

  • BSON - Interface included with the official MongoDB PHP driver. Builds on the libbson C library. To learn more about working with BSON in the PHP library, see the BSON documentation.

• Prolog

  • prolog-bson - BSON encoder/decoder for Prolog. Used by the Prolog MongoDB community driver prolongo.

• Python

  • PyMongo - The official MongoDB Python driver. PyMongo also includes an asynchronous API.

  • bson - Independent BSON codec for Python that doesn't depend on MongoDB.

  • py-bson-rpc - A Python library for JSON-RPC 2.0 and BSON-RPC on sockets (TCP and TCP+TLS). This library was archived in December 2024.

• Ruby

  • bson (with optional C extension) - A fully featured BSON specification implementation used by the official MongoDB Ruby driver.

• Rust

  • bson - Official encoding and decoding support for BSON built using the Serde framework.

• Scala

  • MongoDB Scala driver - Official MongoDB driver for Scala.

  • ReactiveMongo - Reactive Scala Driver for MongoDB.

• Smalltalk

  • Mongo-BSON - Part of the MongoTalk driver for MongoDB.

• Standard ML (SML)

  • mlmongo - Standard ML driver for MongoDB.

• Swift

  • BSONSerialization - BSON Serialization in native Swift 4.

  • BSON - Native Swift library for BSON.

BSON Tools

• bsontools - Command line utilities for manipulating BSON files and for translating them to and from other formats such as CSV, JSON, and XML.

• Kaitai Struct: BSON - Machine-readable description for generating a BSON parser automatically (C#, Java, JavaScript, Perl, PHP, Python, Ruby, and more).