Go94Exceptionalhealth index
fxamacker/cborCBOR codec (RFC 8949, RFC 8742) with CBOR tags, Go struct tag options (toarray, keyasint, omitempty, omitzero), float64/32/16, big.Int, and fuzz tested.
Go★ 1,072Jul 28, 2026
—94Exceptionalhealth index
C++★ 50.3KAug 4, 2026
PyPI · crates.io93Exceptionalhealth index
Rust · Python★ 302↓ 73.6M/moAug 4, 2026
npm91Excellenthealth index

streamich/memfsNode.js "fs" and browser "File System API" adapters and in-memory implementations 👍
TypeScript★ 2,086↓ 390M/moAug 13, 2026
stephenberry/glazeExtremely fast, in memory, serialization, reflection, and RPC library for C++. JSON, BEVE, BSON, CBOR, CSV, JSONB, MessagePack, TOML, YAML, EETF
C++★ 2,912Jul 22, 2026
Packagist86Excellenthealth index
PHP★ 62↓ 4.2M/moAug 27, 2026
crates.io84Excellenthealth index
Blackcat-Informatics/purrdfPurRDF — one RDF 1.2 engine, one behavior, every language: interned primitives, Turtle/TriG/N-Quads/RDF-XML/JSON-LD codecs, RDFC-1.0, SPARQL 1.1/1.2, SHACL Core, GTS graph transport, and Python/WebAssembly/C bindings.
Rust★ 15↓ 5,503/moJul 26, 2026
crates.io83Excellenthealth index
Azure/corimRust Implementation of CoRIM (Concise Reference Integrity Manifest)
Rust★ 3↓ 5,443/moJul 31, 2026
crates.io83Excellenthealth index
Rust★ 514↓ 1,283/moJul 18, 2026
Maven80Excellenthealth index
Java★ 347Jul 26, 2026
NuGet80Excellenthealth index
C#★ 101Aug 16, 2026
npm80Excellenthealth index
git-stunts/git-casGit, freebased: pure CAS that’ll knock your SHAs off. LFS hates this repo!
JavaScript★ 0↓ 2,858/moJul 25, 2026
crates.io80Excellenthealth index
Rust★ 29↓ 79.1K/moAug 5, 2026
RubyGems80Excellenthealth index
C++ · JavaScript★ 1,376Aug 4, 2026
Kotlin★ 5,943Aug 28, 2026
crates.io · npm78Goodhealth index

anweiss/cddlConcise data definition language (RFC 8610) implementation and JSON and CBOR validator in Rust
Rust★ 131↓ 19.3K/moAug 11, 2026
Python★ 35↓ 15K/moJul 20, 2026

rvagg/cborgFast CBOR focusing on strictness and determinism
JavaScript★ 65↓ 1.3M/moAug 6, 2026

streamich/json-joyjson-joy is a library that implements cutting-edge real-time and collaborative editing algorithms and utilities for JSON data models, with a focus on developing the JSON CRDT (Conflict-free Replicated Data Type) specification and implementation.
TypeScript★ 1,083↓ 282M/moAug 13, 2026
crates.io63Moderatehealth index
Rust★ 389↓ 53.9M/moAug 8, 2026
crates.io60Moderatehealth index
Rust★ 11↓ 19.3K/moAug 22, 2026
npm59Moderatehealth index

StricaHQ/cborsCBOR encoder and decoder for javascript data types with streaming & annotation support
TypeScript★ 10↓ 198.8K/moAug 7, 2026
crates.io59Moderatehealth index
Rust★ 106↓ 2.6M/moAug 27, 2026
npm57Moderatehealth index
TypeScript · HTML★ 0↓ 5,047/moAug 29, 2026
RubyGems56Moderatehealth index
Ruby★ 17Jul 20, 2026
Scala★ 242Aug 31, 2026
npm53Moderatehealth index
TypeScript★ 24Aug 24, 2026
NuGet53Moderatehealth index
peteroupc/CBORA C# implementation of Concise Binary Object Representation (RFC 8949).
C#★ 230Jul 18, 2026
PyPI · Go45Weakhealth index
Python★ 39↓ 6,129/moJul 20, 2026
Elixir★ 36↓ 41.8K/moJul 17, 2026