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Changelog

All notable changes to NetGraph are documented here.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

Changed

  • Relicensed from PolyForm Noncommercial 1.0.0 to MIT + Commons Clause. PolyForm NC barred all commercial use, including a company running NetGraph on its own internal network. The new terms allow use (companies included), modification, and free redistribution, and forbid only selling the software (per the Commons Clause). Updated LICENSE, package.json, the README badge and license note, and CONTRIBUTING.

1.3.0 - 2026-06-25

First public release. NetGraph had been developed privately up to this point; this is the initial open-sourcing of the code at version 1.3.0. Everything below describes the app as it stands at that release.

Added

  • Network mapping - place modems, gateways, switches, access points, servers, VMs, and client devices on a pannable, zoomable canvas, each with a name, type, IP, MAC, domain, tags, and notes.
  • Self-routing connections - orthogonal right-angle paths with rounded corners that route around other device cards, fall back to U-shapes for awkward angles, and snap straight when cards line up. Wired or wireless, with optional labels and a port at each end (a jack number or a named port like WAN, LAN, or PoE). Multiple links to one device fan out so they don't overlap.
  • Connect mode - fast wiring with three sub-modes: Hub (fan out from one device), Single (one link at a time), and Advanced (the editor opens after each link). A live preview line follows the cursor and turns amber to block duplicate connections.
  • Select mode - lasso a group of devices (live selection as the box sweeps), drag the whole group together, and copy, paste, duplicate, or delete the selection.
  • VMs & containers - mark a device as hosted on a parent so the nesting is explicit on the map.
  • Custom icons - use the built-in Lucide set or upload your own SVG, PNG, or JPG; icons are shared across every map. Uploaded SVGs pass through an allow-list sanitizer.
  • Multiple maps - keep separate maps (blank or seeded from a worked example) and switch between them, rename, or delete.
  • Import / export - save and load maps as plain JSON for backup and sharing, with full validation of every imported record.
  • Offline copy - Download Offline Copy bakes the entire app into a single self-contained HTML file that runs from disk or a USB stick, online or air-gapped.
  • Local-first storage - everything lives in the browser's localStorage; no backend, no accounts, no telemetry. Data never leaves the machine.
  • Touch support - drag to pan, pinch to zoom, and long-press for context menus on tablets.