Scapy
Scapy is a free Python library for crafting, sending, sniffing and decoding network packets, built for security engineers on Linux, macOS and Windows.
Linux · macOS · Windows Open source
Networking apps
Software to design, emulate, run and monitor computer networks: emulators, routing suites, inventory and traffic analysis.
Scapy
OpenBGPD
OpenBGPD is the OpenBSD project’s free BGP routing daemon, aimed at network administrators and exchange points, available on Linux and BSD systems.
Linux Open source
SolarWinds NCM
SolarWinds NCM is commercial software that backs up, tracks and audits network device configurations for enterprise teams, running on Windows Server.
Windows · Web Free trial
ntopng
ntopng is a web-based network traffic probe from ntop for administrators and security analysts, with packages for Linux, Windows and macOS.
Linux · Windows · macOS · Web Open source
LibreNMS
LibreNMS is a free SNMP network monitoring system with auto-discovery and alerting, built for administrators and carriers and run on a Linux server.
Linux · Web Open source
Paessler PRTG
Paessler PRTG is network and server monitoring software for small firms and IT departments, installed on Windows, with a hosted edition and mobile apps.
Windows · Web · Android · iPhone / iPad Free with in-app purchases
Cilium
Cilium is an eBPF-based networking, security and observability layer for Kubernetes clusters on Linux, aimed at platform engineers and SRE teams.
Linux Open source
NetBox
NetBox is a free web application that documents a network’s IP addresses, racks, devices and cables, built for network teams and run on a Linux server.
Linux · Web Open source
VyOS
VyOS is a free Debian-based network operating system (routing, firewall, VPN) for x86 servers, virtual machines and clouds, aimed at network teams.
Linux Open source
FRRouting
FRRouting is a free routing suite (BGP, OSPF, IS-IS, PIM and more) for Linux and BSD, aimed at network engineers, hosting providers and data centres.
Linux Open source
Open vSwitch
Open vSwitch is a free virtual switch for Linux hypervisors, used under OpenStack, Proxmox or KVM by private cloud and virtualisation administrators.
Linux Open source
Ostinato
Ostinato is a paid network traffic generator with a graphical interface and a Python API, for testing switches and links on Windows, macOS and Linux.
Windows · macOS · Linux Paid