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Helvum vs qpwgraph

Both stand on audio enhancement software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Helvum

Free plan Linux

Helvum provides a free visual patchbay for managing PipeWire connections on Linux. Note that the Flathub package is marked unverified and that volume control and debug mode are planned, not listed as current features.

Visit Helvum

qpwgraph

Free plan Linux

qpwgraph offers connection management, saved patchbay configurations, and graph filtering for PipeWire on Linux. It is free and open source, but building it requires several development dependencies.

Visit qpwgraph

The facts

Helvumqpwgraph
Free planYesYes
Open sourceNot publishedNot published
Runs onLinuxLinux
Lowest paid planFree or on requestFree or on request
Plans published11
MakerNot publishedNot published
Websitegitlab.freedesktop.orggithub.com
On audio enhancement software#11 of 30#15 of 30

Helvum: what it does well

  • Routes audio, video, and MIDI data.
  • Available as a free Linux Flatpak.
  • Builds listed for x86_64 and aarch64.
  • Project README identifies GPL3 as its license.

What to know first

  • Available on Linux only.
  • Flathub package is marked unverified.
  • Volume control and debug mode are planned features.

qpwgraph: what it does well

  • Displays PipeWire nodes and available ports.
  • Supports audio, video, and MIDI connections.
  • Patchbay configurations can restore saved connections.
  • Remembers node positions and custom names.

What to know first

  • Limited to Linux.
  • Build requires a C++20 compiler and Qt.
  • ALSA development files are needed for ALSA MIDI support.

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