cbor

nlohmann/json

+25

JSON for Modern C++

glaze

+13

Extremely fast, in memory, serialization, reflection, and RPC library for C++. JSON, BEVE, BSON, CBOR, CSV, JSONB, MessagePack, TOML, YAML, EETF

fxamacker/cbor

+4

CBOR codec (RFC 8949, RFC 8742) with CBOR tags, Go struct tag options (toarray, keyasint, omitempty, omitzero), float64/32/16, big.Int, and fuzz tested.

restish

+2

Restish is a CLI for interacting with REST-ish HTTP APIs with some nice features built-in