Mesh networking

The Babel routing protocol is a distance-vector routing protocol for Internet Protocol packet-switched networks that is designed to be robust and efficient on both wireless mesh networks and wired networks.

Insteon is an Irvine, CA-based developer of home automation (aka domotics) hardware and software.

Briar is an open-source software mesh networking technology, intended to provide secure and resilient peer to peer communications with no centralized servers and minimal reliance on external infrastructure.

The Serval Project (often referred to as Serval) is a project financed by the Shuttleworth Foundation, as well as various other organisations and accepting individual donations.

Shortest Path Bridging (SPB), specified in the IEEE 802.

FireChat is a proprietary mobile app, developed by Open Garden, which uses wireless mesh networking to enable smartphones to connect via Bluetooth, Wi-Fi, or Apple’s Multipeer Connectivity Framework without an internet connection by connecting peer-to-peer.

Open Garden, Inc.

The Better Approach To Mobile Adhoc Networking (B.A.T.M.A.N.) is a routing protocol for multi-hop ad hoc networks which is under development by the "Freifunk" community and intended to replace OLSR.

Cjdns is a networking protocol, a system of digital rules for message exchange between computers.

Insteon is a home automation (domotics) technology that enables light switches, lights, thermostats, leak sensors, remote controls, motion sensors, and other electrically powered devices to interoperate through power lines, radio frequency (RF) communications, or both.

Commotion Wireless is an open-source wireless mesh network for electronic communication.

Tinc is an open-source, self-routing, mesh networking protocol, used for compressed, encrypted, virtual private networks.