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Cap'n Proto

Cap’n Proto is an insanely fast data interchange format and capability-based RPC system. Think JSON, except binary. Or think Protocol Buffers, except faster.

Here are 22 public repositories matching this topic...

gatkinso / capnsamples

CapnProto C++ Samples. And maybe not just C++!

protocol-buffers capnproto

Updated Dec 17, 2017
C++

thomaslee / capnproto-debian

Official Debian packaging for Cap'n Proto

c-plus-plus debian capnproto debian-package

Updated Nov 15, 2025
C++

VUZhuangweiKang / SerializationBench

Benchmark of Serialization Methods

serialization protobuf flatbuffers msgpack dds capnproto

Updated Nov 16, 2020
C++

vaci / sqlite-capnp

Serialize capnproto structs to sqlite3

sqlite3 capnproto

Updated Nov 8, 2023
C++

deanlee / openpilot-replay

Standalone C++ implementation of the openpilot replay tool for replaying and analyzing recorded driving routes.

openpilot automotive can-bus capnproto replay-tool

Updated Jan 13, 2026
C++

vaci / aws-capnp

Capnproto interfaces to AWS services

aws aws-s3 capnproto

Updated Jun 19, 2025
C++

renesugar / capnpc-parquet

A Cap'n Proto compiler plugin to create a Parquet schema from a Cap'n Proto schema

capnproto apache-parquet parquet-schema

Updated Sep 28, 2017
C++

vaci / kjxml

XML parser for the Capnproto KJ library

xml xml-parser capnproto

Updated Oct 9, 2023
C++

vaci / notcurses-capnp

Capnproto interface to Notcurses

capnproto notcurses

Updated Sep 21, 2024
C++

vaci / dbus-capnp

Capnproto interface to the systemd bus

dbus capnproto

Updated Jul 10, 2023
C++

johnpatek / netput

RPC system for input and UI events

rpc capnproto

Updated Jan 22, 2024
C++

vaci / aeron-capnp

Aeron and Capnproto integration toolkit

capnproto aeron

Updated Feb 17, 2024
C++

vaci / kjuv

libuv integration for capnproto

libuv capnproto

Updated Jan 7, 2026
C++

Flow-IPC / ipc_shm_arena_lend

Flow-IPC Sub-project - SHM-jemalloc - Commercial-grade jemalloc memory manager turbocharges your zero-copy work [See `ipc` repo first]

flow cplusplus async generic-programming jemalloc memory-allocation shm shared-memory capnproto capnp allocators malloc-library flow-ipc

Updated Apr 3, 2025
C++

Shelnutt2 / crunch

MariaDB storage engine based on cap'n proto storage

mysql mariadb capnproto capnp mariadb-storage-engine

Updated Apr 17, 2018
C++

Flow-IPC / ipc_transport_structured

Flow-IPC Sub-project - Structured Transport - Transport of Cap'n Proto-backed structured messages [See `ipc` repo first]

flow cplusplus async ipc generic-programming interprocess-communication capnproto capnp flow-ipc

Updated Mar 29, 2025
C++

Flow-IPC / ipc_shm

Flow-IPC Sub-project - Shared Memory - End-to-end zero-copy transport support; direct work with SHM; SHM-classic provider [See `ipc` repo first]

flow cplusplus async ipc zero-copy generic-programming shm shared-memory interprocess-communication capnproto capnp flow-ipc

Updated Apr 10, 2025
C++

snej / secret-handshake-cpp

SecretHandshake secure connections in C++, with Cap'n Proto support

security cryptography networking cplusplus capnproto

Updated Jan 11, 2026
C++

jviotti / binary-json-size-benchmark

See https://benchmark.sourcemeta.com for the latest version of this benchmark

json benchmark protobuf avro binary flatbuffers protocol-buffers thrift smile msgpack cbor asn1 messagepack bond bson ubjson capnproto flexbuffers

Updated Nov 23, 2023
C++

felixguendling / cpp-serialization-benchmark

Comparison of C++ Serialization Libraries for Graph Data

serialization benchmark cpp high-performance flatbuffers capnproto cereal cista

Updated Dec 31, 2021
C++

Created by Kenton Varda

Released 2013

Followers: 7 followers
Organization: capnproto
Website: github.com/topics/capnproto
Wikipedia: Wikipedia

Related topics

capabilities grpc json protobuf rpc serialization