ngspice licence / notices
==========================

RFConsult / RFspice uses ngspice, an open-source circuit simulator derived
from Berkeley SPICE3 and maintained by the ngspice project.

ngspice licensing
-----------------
The ngspice project describes its principal source-code licence as the
Modified BSD (3-clause BSD) licence.

The ngspice distribution also contains some components under other licences,
including LGPL, MIT, MPL, GPL, and public-domain terms. The exact set depends
on the ngspice version and build configuration.

For the authoritative, complete licensing information for ngspice, see:

  https://ngspice.sourceforge.io/
  https://ngspice.sourceforge.io/docs/ngspice-manual.pdf

RFspice currently uses the browser/WebAssembly packaging project:

  https://github.com/z-wasm/ngspice-wasm
  https://www.npmjs.com/package/@o.z/ngspice-wasm

The authoritative COPYING file for that browser package is:

  https://github.com/z-wasm/ngspice-wasm/blob/zero/COPYING

Attribution
-----------
ngspice:
  Copyright (c) the ngspice team and respective contributors.
  Berkeley SPICE portions include copyright held by the Regents of the
  University of California and other contributors.

ngspice-wasm:
  Copyright and licence notices remain with their respective authors and
  contributors. See the project's COPYING file above.

No endorsement
--------------
RFConsult / RFspice is an independent project and is not affiliated with,
sponsored by, or endorsed by the ngspice project, the University of
California, or the ngspice-wasm project.

This notice is provided for attribution and to direct users to the complete,
authoritative licence texts applicable to the exact software build in use.