+730 stars
from 50,108 · score 6.59
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
50 repositories by Attention Score · Aug 6, 2026 – Nov 3, 2026 (UTC)
2.protocolbuffers / protobuf
Protocol Buffers - Google's data interchange format
- protobuf
- protocol-buffers
- protocol-compiler
- protobuf-runtime
- protoc
- serialization
- +2 more
+635 stars
from 71,515 · score 6.46
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
+428 stars
from 24,072 · score 6.06
4.google / flatbuffers
FlatBuffers: Memory Efficient Serialization Library
- flatbuffers
- serialization
- serialization-library
- json-parser
- marshalling
- rpc
- +14 more
+379 stars
from 26,231 · score 5.94
5.apache / arrow
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
- arrow
- parquet
+331 stars
from 16,945 · score 5.81
6.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
+177 stars
from 2,920 · score 5.18
7.capnproto / capnproto
Cap'n Proto serialization/RPC system - core tools and C++ library
+119 stars
from 13,122 · score 4.79
8.Tencent / rapidjson
A fast JSON parser/generator for C++ with both SAX/DOM style API
+85 stars
from 15,068 · score 4.45
+76 stars
from 6,074 · score 4.34
10.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
+70 stars
from 2,110 · score 4.26
11.apache / thrift
Apache Thrift
+59 stars
from 10,910 · score 4.09
12.open-source-parsers / jsoncpp
A C++ library for interacting with JSON.
+57 stars
from 8,853 · score 4.06
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]
+56 stars
from 1,910 · score 4.04
14.bblanchon / ArduinoJson
📟 JSON library for Arduino and embedded C++. Simple and efficient.
- arduino
- c-plus-plus
- iot
- embedded
- arduino-library
- json
- +2 more
+54 stars
from 7,188 · score 4.01
15.leethomason / tinyxml2
TinyXML2 is a simple, small, efficient, C++ XML parser that can be easily integrated into other programs.
+54 stars
from 5,763 · score 4.01
16.benhoyt / inih
Simple .INI file parser in C, good for embedded systems
- ini
- parser
- configparser
- embedded-systems
- c
+46 stars
from 3,019 · score 3.85
+31 stars
from 2,975 · score 3.47
18.felixguendling / cista
Cista is a simple, high-performance, zero-copy C++ serialization & reflection library.
- serialization
- cpp
- cpp17
- reflection
- deserialization
- efficient
- +3 more
+27 stars
from 2,229 · score 3.33
19.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
+25 stars
from 1,112 · score 3.26
20.brofield / simpleini
Cross-platform C++ library providing a simple API to read and write INI-style configuration files
+24 stars
from 1,303 · score 3.22
21.ToruNiina / toml11
TOML for Modern C++
- toml
- c-plus-plus-11
- c-plus-plus
- parser
- serializer
- c-plus-plus-14
- +4 more
+23 stars
from 1,287 · score 3.18
+21 stars
from 4,691 · score 3.09
23.eyalz800 / zpp_bits
A lightweight C++20 serialization and RPC library
- serialization
- cpp
- header-only
- rpc
- cpp20
+20 stars
from 993 · score 3.04
+17 stars
from 946 · score 2.89
25.biojppm / rapidyaml
Rapid YAML - a library to parse and emit YAML, and do it fast.
- yaml
- json
- parser
- emitter
- serialization
- rapid
- +6 more
+15 stars
from 747 · score 2.77
26.meta / fbthrift
Meta's Thrift implementation: cross-language serialization and high-performance async RPC
+14 stars
from 2,689 · score 2.71
+14 stars
from 1,255 · score 2.71
28.ultrajson / ultrajson
Ultra fast JSON decoder and encoder written in C with Python bindings
- python
- c
- ultrajson
- json
- decoder
- encoder
- +1 more
+10 stars
from 4,490 · score 2.40
+10 stars
from 2,355 · score 2.40
+10 stars
from 1,318 · score 2.40
31.d99kris / rapidcsv
C++ CSV parser library
+10 stars
from 1,069 · score 2.40
32.bytedance / sonic-cpp
A fast JSON serializing & deserializing library, accelerated by SIMD.
+9 stars
from 972 · score 2.30
33.metayeti / mINI
INI file reader and writer
- ini-file
- ini-reader
- ini-writer
- ini-parser
- ini-config
- ini
- +1 more
+9 stars
from 652 · score 2.30
34.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
+8 stars
from 847 · score 2.20
35.dmlc / treelite
Universal model exchange and serialization format for decision tree forests
+8 stars
from 825 · score 2.20
36.chronoxor / FastBinaryEncoding
Fast Binary Encoding is ultra fast and universal serialization solution for C++, C#, Go, Java, JavaScript, Kotlin, Python, Ruby, Swift
- performance
- serialization
- binary
- protocol
- low-latency
- cpp
- +9 more
+7 stars
from 956 · score 2.08
+7 stars
from 676 · score 2.08
38.jorgen / json_struct
json_struct is a single header only C++ library for parsing JSON directly to C++ structs and vice versa
- c-plus-plus
- json
- template-specialisations
- parse
- template-metaprogramming
- deserialization
- +1 more
+7 stars
from 468 · score 2.08
39.Rookfighter / inifile-cpp
A header-only and easy to use Ini file parser for C++.
- ini-parser
- inifile
- cpp
- cpp-library
+7 stars
from 417 · score 2.08
40.kazuho / picojson
a header-file-only, JSON parser serializer in C++
+6 stars
from 1,155 · score 1.95
+6 stars
from 792 · score 1.95
42.tplgy / cppcodec
Header-only C++11 library to encode/decode base64, base64url, base32, base32hex and hex (a.k.a. base16) as specified in RFC 4648, plus Crockford's base32. MIT licensed with consistent, flexible API.
+6 stars
from 694 · score 1.95
+5 stars
from 792 · score 1.79
44.beached / daw_json_link
Fast, convenient JSON serialization and parsing in C++
- cpp
- cpp20
- json
- cpp17
- daw-json-link
- parse
- +5 more
+3 stars
from 510 · score 1.39
45.microsoft / bondArchived
Bond was a cross-platform framework for working with schematized data. The open-source project ended on March 31, 2025.
+1 stars
from 2,621 · score 0.69
+1 stars
from 2,583 · score 0.69
47.wiseio / paratext
A library for reading text files over multiple cores.
+1 stars
from 1,052 · score 0.69
48.billyquith / ponderArchived
C++ reflection library with Lua binding, and JSON and XML serialisation.
- c-plus-plus
- reflection
- library
- introspection
- cpp
- cpp-library
- +5 more
+1 stars
from 662 · score 0.69
49.tidyverse / vroom
Fast reading of delimited files
+1 stars
from 642 · score 0.69
50.chadaustin / sajson
Lightweight, extremely high-performance JSON parser for C++11
+1 stars
from 573 · score 0.69