1.apache / arrow
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
- arrow
- parquet
+41 stars
from 17,235 · score 3.74
Trending repositories
Ranked by Attention Score: stars gained over the last 7 complete days
29 repositories by Attention Score · Oct 28, 2026 – Nov 3, 2026 (UTC)
2.google / flatbuffers
FlatBuffers: Memory Efficient Serialization Library
- flatbuffers
- serialization
- serialization-library
- json-parser
- marshalling
- rpc
- +14 more
+27 stars
from 26,583 · score 3.33
3.simdjson / simdjson
Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks
- json
- json-parser
- simd
- avx2
- sse42
- neon
- +14 more
+27 stars
from 24,473 · score 3.33
+26 stars
from 50,812 · score 3.30
5.protocolbuffers / protobuf
Protocol Buffers - Google's data interchange format
- protobuf
- protocol-buffers
- protocol-compiler
- protobuf-runtime
- protoc
- serialization
- +2 more
+16 stars
from 72,134 · score 2.83
6.capnproto / capnproto
Cap'n Proto serialization/RPC system - core tools and C++ library
+16 stars
from 13,225 · score 2.83
7.stephenberry / glaze
Extremely fast, in memory, serialization, reflection, and RPC library for C++. JSON, BEVE, BSON, CBOR, CSV, JSONB, MessagePack, TOML, YAML, EETF
- api
- binary
- cplusplus
- cpp
- interface
- json
- +14 more
+9 stars
from 3,088 · score 2.30
8.benhoyt / inih
Simple .INI file parser in C, good for embedded systems
- ini
- parser
- configparser
- embedded-systems
- c
+8 stars
from 3,057 · score 2.20
9.apache / thrift
Apache Thrift
+7 stars
from 10,962 · score 2.08
10.bblanchon / ArduinoJson
📟 JSON library for Arduino and embedded C++. Simple and efficient.
- arduino
- c-plus-plus
- iot
- embedded
- arduino-library
- json
- +2 more
+7 stars
from 7,235 · score 2.08
11.Tencent / rapidjson
A fast JSON parser/generator for C++ with both SAX/DOM style API
+6 stars
from 15,147 · score 1.95
+6 stars
from 6,144 · score 1.95
13.munich-data-engineering / reflect-cpp
A C++20 library for fast serialization, deserialization and validation using reflection. Supports JSON, Avro, Boost Serialization, BSON, Cap'n Proto, CBOR, Cereal, Command line interfaces, CSV, Environment variables, flexbuffers, msgpack, parquet, TOML, UBJSON, XML, YAML, yas / msgpack.org[C++20]
+5 stars
from 1,961 · score 1.79
14.leethomason / tinyxml2
TinyXML2 is a simple, small, efficient, C++ XML parser that can be easily integrated into other programs.
+4 stars
from 5,813 · score 1.61
15.marzer / tomlplusplus
Header-only TOML config file parser and serializer for C++17.
- toml
- cplusplus-17
- cplusplus-20
- header-only
- configuration-files
- cpp
- +14 more
+4 stars
from 2,176 · score 1.61
16.meta / fbthrift
Meta's Thrift implementation: cross-language serialization and high-performance async RPC
+3 stars
from 2,700 · score 1.39
17.ToruNiina / toml11
TOML for Modern C++
- toml
- c-plus-plus-11
- c-plus-plus
- parser
- serializer
- c-plus-plus-14
- +4 more
+3 stars
from 1,307 · score 1.39
18.open-source-parsers / jsoncpp
A C++ library for interacting with JSON.
+2 stars
from 8,908 · score 1.10
+2 stars
from 2,363 · score 1.10
20.brofield / simpleini
Cross-platform C++ library providing a simple API to read and write INI-style configuration files
+2 stars
from 1,325 · score 1.10
21.vincentlaucsb / csv-parser
A modern C++ CSV parser and serializer that doesn't make you choose between ease of use or performance.
- csv
- parser
- json
- tab-separated
- csv-parser
- statistics
- +5 more
+2 stars
from 1,135 · score 1.10
+1 stars
from 4,711 · score 0.69
+1 stars
from 3,005 · score 0.69
+1 stars
from 1,268 · score 0.69
25.wiseio / paratext
A library for reading text files over multiple cores.
+1 stars
from 1,052 · score 0.69
26.danielaparker / jsoncons
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
- json
- cbor
- jsonpath
- csv
- json-pointer
- json-patch
- +14 more
+1 stars
from 854 · score 0.69
27.dmlc / treelite
Universal model exchange and serialization format for decision tree forests
+1 stars
from 832 · score 0.69
+1 stars
from 796 · score 0.69
29.biojppm / rapidyaml
Rapid YAML - a library to parse and emit YAML, and do it fast.
- yaml
- json
- parser
- emitter
- serialization
- rapid
- +6 more
+1 stars
from 761 · score 0.69