Cap'n Proto Files

Serialization/RPC system - core tools and C++ library

This is an exact mirror of the Cap'n Proto project, hosted at https://github.com/capnproto/capnproto. SourceForge is not affiliated with Cap'n Proto.

The interactive file manager requires Javascript. Please enable it or use sftp or scp.
You may still browse the files here.

Name	Modified	Size	InfoDownloads / Week
v1.5.0	< 10 hours ago		0
v1.4.0	2026-03-12		0
v1.3.0	2025-12-16		0
v1.2.0	2025-06-15		0
v1.1.0	2024-12-21		0
Totals: 5 Items			0

Other Useful Business Software

$300 Free Credits for Your Google Cloud Projects

Start building on Google Cloud with $300 in free credits. No commitment, no credit card required until you're ready to scale.

Launch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.

Start Free Trial

Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.

Try Free

$300 Free Credits for Your Google Cloud Projects

Start building on Google Cloud with $300 in free credits. No commitment, no credit card required until you're ready to scale.

Start Free Trial

Recommended Projects

rpc-websockets
JSON-RPC 2.0 implementation over WebSockets for Node.js
rpcx
Best microservices framework in Go, like alibaba Dubbo
libjson-rpc-cpp
C++ framework for json-rpc (json remote procedure call)
iguana
Universal serialization engine
Twirp
A simple RPC framework with protobuf service definitions

Cap'n Proto Files

Serialization/RPC system - core tools and C++ library

Get an email when there's a new version of Cap'n Proto