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Collect and analyze network flows and telemetry to understand performance and activity across connected systems.

Run mass pings and inspect hosts through a graphical toolbox

GNU's collection of common network clients and diagnostic commands

Explore BGP prefixes, peers and routing reports

Discover network devices, graph their data, and send alerts from an SNMP-based monitoring system.

Route test traffic through a controllable TCP proxy to simulate latency, outages and other network faults.

Monitor websites and network services with protocol-specific checks, alerts, and private-network agents.

Monitor network performance and availability across IP devices from one central platform.

Assure service-provider network performance with active tests, real-time visibility, and predictive alerts.

Run network and application tests from global or private agents, then use path and routing views to locate where performance breaks.

A contributor toolkit for font-family metadata, checks and packaging.

Look up colour values, compare shades and prepare interface palettes.

Inventory network devices using several management protocols

Command-line tools for building and inspecting OpenType fonts.

Inspect, reshape and query tabular files from a composable command-line toolkit.

Run JavaScript and TypeScript projects with a combined runtime, package manager, test runner, and bundler.

An offline desktop toolkit for quick developer transformations, encoders, and text utilities.

Build composable Python command-line interfaces from decorated functions.

A mobile network engineer's diagnostic suite

Combine keyword discovery sources, result analysis and selected rank tracking.

Use classic network lookups in a browser

Use core Linux reachability utilities

A legacy icon-font toolkit with stylesheet source and familiar modifiers.

An icon-font toolkit with CSS and several stylesheet-source formats.