hpack

A conformance testing tool for HTTP/2 implementation.

Something could be public patches

LiteSpeed HPACK (RFC7541) Library

HTTP/2 support for .NET standard

HTTP/2 Protocol Implementation for the Crystal Language

Implementation of the HPACK protocol for Elixir. 🎴

Low-level HTTP for Rust

HPack - HTTP/2 header compression implementation in PHP.

Pure managed C# HTTP/1.1 and HTTP/2 client powered by SharpTls, with coherent browser fingerprints, pooling, proxies, streaming, and reproducible releases.

BSD-style HPACK implementation in C

Haskell package descriptions merging (⩓) the best of HPack and Dhall.

QMIN is a compression mechanism for QUIC headers

a HTTP2 HPACK implementation in C++

spring-boot microservice with gRPC and protobuf3. It can efficiently connect services in and across data centers with pluggable support for load balancing, tracing, health checking, and authentication.

C++ HTTP/2 & HTTP/1 server

HPACK implementation (RFC 7541)

Automatically discovers and runs Doctests, based on the current Hpack configuration.

Go implementation of HTTP/2's compression format [RFC7541] for efficiently representing HTTP header fields.

HTTP/2 Bomb: HPACK indexed-reference amplification + flow-control stall. A high school student's full protocol analysis (LaTeX). CVE-2026-49975, CVE-2026-47774.

Stack Templates for Generic/CLI Applications and Libraries using Hpack, Tasty, & Github Actions.