Flatsonar

Vahatraker

by Remigiusz Dybka

Live MIDI sequencer

Broad permissions Verified creator GPL-3.0-or-later v0.4.07
Screenshot 1 of Vahatraker Screenshot 2 of Vahatraker

About

Vahatraker is a MIDI sequencing companion for GNU/Linux audio setups. Adhering to Unix philosophy, driving MIDI is the one thing it tries to do well, adhering to other doctrines - enabling expression, with added value of:

  • live editing
  • fast workflow
  • intuitive midi-in
  • unheard of time signatures
  • scenes
  • fractal turtles

Frankly speaking, vht was envisaged as a re-creation of seq24 in tracker form for author's "studio needs" and offers similar functionality (and limitations). It relies 100% on JACK audio connection kit for input/output/synch and uses jack_capture for rendering. The GUI has similar dependencies as gnome-calculator and tracker paradigm was chosen to allow for rhythmic gymnastics otherwise hard to convey.

Low level stuff was done in C and wrapped in Python. Human interfacing part of contraption employs GTK through gobject introspection and was also contrived in the language we shall no longer spam about.

Permissions

1 permission weaken the sandbox. Flatsonar asks before installing.

  • X11 display: X11 lets apps read input and windows of other apps
    --socket=x11
  • inter-process communication (needed for X11)
    --share=ipc
  • Wayland display
    --socket=wayland
  • X11 display, only when Wayland is unavailable
    --socket=fallback-x11
  • access to xdg-run/pipewire-0
    --filesystem=xdg-run/pipewire-0

Who publishes this

The creator demonstrably controls this app id: Flathub verification, the hosting account owns the namespace, or a well-known file on their domain.

  • verified on Flathub: the developer proved they control this app id
    publisher:flathub

Maintenance

Recent activity on the upstream repository, or built and reviewed by Flathub.

No staleness signals: recent activity, or built and reviewed by Flathub.