A conformance testing tool for HTTP/2 implementation.

Something could be public patches

HPack - HTTP/2 header compression implementation in PHP.

HTTP/2 Protocol Implementation for the Crystal Language

HTTP/2 support for .NET standard

LiteSpeed HPACK (RFC7541) Library

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

Implementation of the HPACK protocol for Elixir. 🎴

BSD-style HPACK implementation in C

Pure Nim HPACK - Header Compression for HTTP/2

A high-performance C# web framework designed to outperform FastEndpoints and compete with GenHTTP.

Low-level HTTP for Rust

QMIN is a compression mechanism for QUIC headers

C++ HTTP/2 & HTTP/1 server

A skeleton Reflex project with Hpack, Nix and Emacs/HIE/LSP integration

The original technicial articles

Http2 server implemented by cfadmin.

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

a HTTP2 HPACK implementation in C++

Multi-variant HTTP/2 HPACK benchmark harness (APEX v2) — nginx, httpd, Envoy, Pingora, IIS. Authorized research only.