OSRM - Utilities, Application Utilities, and Mapping APIs
FRRouting - FRRouting (FRR) is an IP routing protocol suite for Linux and Unix platforms which
Google Maps - Find local businesses, view maps and get driving directions in Google Maps.
OpenRouteService.org - The spatial services API with plenty of features.
OPNsense - OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.
Vyatta - Vyatta is a software-based virtual router that includes routing services as well as firewall and VPS services for internet protocols, including IPv4 and IPv6.