Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

WinDivert: Windows Packet Divert

Bluespec Compiler (BSC)

Performant Content Modifying Non-Caching Proxy [stable - accepting patches for bug fixes only]

mmproxy, the magical PROXY protocol gateway

BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more

The ODP project is an open-source, cross-platform set of application programming interfaces (APIs) for the networking data plane

OpenFastPath project

Structural Spec parser based on Bluespec