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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 60 public repositories matching this topic...

sandstorm-io / sandstorm

Sandstorm is a self-hostable web productivity suite. It's implemented as a security-hardened web app package manager.

decentralized self-hosted self-hosting seccomp capnproto sandstorm

Updated Jun 13, 2025
JavaScript

capnproto / go-capnp

Cap'n Proto library and code generator for Go

go golang serialization rpc capabilities capnproto capn-proto capnp capability-based object-capabilities

Updated Feb 19, 2025
Go

Flow-IPC / ipc

[Start here!] Flow-IPC - Modern C++ toolkit for high-speed inter-process communication (IPC)

Updated Apr 11, 2025
C++

chronoxor / CppSerialization

Performance comparison of the most popular C++ serialization protocols such as Cap'n'Proto, FastBinaryEncoding, Flatbuffers, Protobuf, JSON

serialization json performance protobuf flatbuffers low-latency capnproto

Updated Jul 16, 2025
C++

mirage / capnp-rpc

Cap'n Proto RPC implementation

ocaml-library rpc-framework capnproto capn-proto

Updated Feb 4, 2025
OCaml

zenhack / haskell-capnp

Cap'n Proto for Haskell

serialization haskell rpc capnproto capn-proto capnp

Updated Jun 24, 2023
Haskell

justincormack / go-memfd

Golang Linux memfd library

linux golang syscalls capnproto linux-memfd memfd

Updated Feb 19, 2017
Go

habnabit / passacre

better repeatable password generation

python rust capnproto

Updated Oct 28, 2024
C

JacobLinCool / selflare

Compile Cloudflare Workers to Cap'n Proto and deliver them as minimalist Docker images.

docker capnproto cloudflare-workers

Updated Sep 27, 2025
TypeScript

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++

kcchu / buffer-benchmarks

Benchmarking Protobuf, FlatBuffers, and Cap'n Proto on Go and Rust

go rust golang benchmark protobuf flatbuffers capnproto

Updated Jan 20, 2023
Rust

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++

JonasWanke / capnproto-dart

Pure Dart implementation of Cap'n Proto – an extremely efficient protocol for sharing data and capabilities.

dart serialization capnproto

Updated Feb 24, 2025
Dart

jemc / pony-capnp

Cap’n Proto plugin for generating serializable Pony classes. 🐴 - 🎩'n 🅿️

serialization library schema rpc code-generation pony-language capnproto capn-proto

Updated Apr 7, 2018
Pony

mirage / irmin-rpc

RPC client/server for Irmin

rpc irmin capnproto

Updated Aug 5, 2021
OCaml

xmonader / sercapnp

Capnp support for intellij

intellij idea idea-plugin capnproto capnp

Updated Jun 29, 2025
Java

snej / secret-handshake-cpp

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

security cryptography networking cplusplus capnproto

Updated Oct 6, 2024
C++

ClickHouse / FastFormats

A benchmark for data formats

tsv json benchmark csv database protobuf avro analytics cpp arrow clickhouse msgpack parquet bson capnproto

Updated Feb 27, 2025
HTML

vaci / capnproto-java-rpc

Cap'n Proto RPC in pure Java

java rpc capnproto

Updated Dec 28, 2022
Java

kgreenek / rules_capnproto

Bazel starlark rules for capnproto

zeromq bazel bazel-rules capnproto

Updated Jan 2, 2023
Starlark

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