Drumstick Metronome is a MIDI metronome with Qt5 interface, based on the ALSA sequencer. Intended for musicians and music students, it is a tool to keep the rhythm while playing musical instruments. It uses MIDI for sound generation instead of digital audio, allowing low CPU usage, and very accurate timing thanks to the ALSA sequencer.

Drumstick Metronome

Drumstick MIDI Metronome based on the ALSA Sequencer

The application will help you relieve the accumulated stress and relax.
      The program includes the sounds of the forest, the sound of the surf and other sounds.
    

Relaxator

Ymuse is an easy, functional, and snappy GTK front-end (client) for Music Player Daemon written in Go.

Ymuse

Easy, functional, and snappy GTK front-end (client) for Music Player Daemon

Spivak has been designed to be a standalone Karaoke player, which could be used at your parties without a dedicated DJ. It is primarily controlled through its Web interface, so your guests can take care of themselves, searching and adding songs into the queue. The player will ensure fair rotation.

Spivak

e2 SAT Editor is a satellite channel lists editor with tabbed nav, for Enigma2, Neutrino, dreambox lists.
      With this software you can upload, download and edit channel lists of your Enigma or Neutrino decoder, merge channel lists, convert lists, export and import channels with spreadsheets, edit services, favourites, transponders, service flags, markers and picons, channel logos.
      It supports Enigma2, Lamedb 4 and Lamedb 5 channel lists (2.4, 2.5, 2.3, 2.2), Enigma1, Neutrino Zapit XML channel lists (api v1, v2, v3, v4).
    

e2 SAT Editor

Satellite channel lists editor: Enigma2, Neutrino, dreambox

Elektroid is a sample and MIDI device manager.With Elektroid you can easily upload and download audio files and manage different types of data on different MIDI devices, such as presets, projects or tunings.It can also be used to send and receive SysEx MIDI files.

Elektroid

Play and organise your music. theBeat automatically discovers music on your computer and presents it in an easy-to-use interface.Automatically categorise your musicBlazing fast searchQuickly find tracks by author and artistCreate playlists to quickly access the music you love

theBeat


      About: pxtone collab (ptcollab) is a sample-based music editor where you can collaborate with friends! It's based off the music engine of pxtone, a music editor developed by Daisuke "Pixel" Amaya, the creator of Cave Story and Kero Blaster.
    
      
      Features: ptcollab has many standard features you might expect from a music editor. If you've used pxtone collage before, the following will be familiar:
    
      
        Note and parameter input (pan, volume, portamento, fine-tuning, effects)
        Instrument import (ptvoice, ogg, wav, ptnoise)
        Song parameter settings (tempo, time signature)
      
      
      In addition, ptcollab supports:
    
      
        Collaborative editing: host a server and have others connect and work with you!
        Session recording: save a frame-by-frame recording of a session and play it back later!
        MIDI input: Record notes either live while the song is playing, or using keyboard controls to step through time.
      
      
      This is a unofficial flatpak package, approved by the community.
    
    

pxtone collab

Boram is a WebM converter that can do the following:Open-source, cross-platform, works on Windows, Mac and LinuxAV1/VP9/VP8/Opus/Vorbis/2pass/limit/CRF/CQ/raw-args modes supportIndustry-grade codec settings, considered defaultsDisplays almost any video with embedded player, thanks to mpvHardsubbing out of the box with proper shift/track selectionSimple yet powerful interface, source video centric designMultiple encodes at once in single windowFast filters result preview, no need to go through trial and errorNOTE: This is an unnofficial wrapper.

Boram

Argos is designed (and used!) with Gnome desktop and small single-board devices with small touchscreen in mind.

Argos

Light weight front-end for Mopidy music server

GstPipelineStudio aims to provide a graphical user interface to the GStreamer framework. From a first step in the framework with a simple pipeline to a complex pipeline debugging, the tool provides a friendly interface to add elements to a pipeline and debug it.

GstPipelineStudio

TeleSculptor is a cross-platform desktop application for photogrammetry. It was designed with a focus on aerial video, such as video collected from UAVs, and handles geospatial coordinates and can make use of metadata, if available, from GPS and IMU sensors. However, the software can also work with non-geospatial data and with collections of images instead of metadata. TeleSculptor uses Structure-from-Motion techniques to estimate camera parameters as well as a sparse set of 3D landmarks. It uses Multiview Stereo techniques to estimate dense depth maps on key frame and then fuses those depth maps into a consistent surface mesh which can be colored from the source imagery.

TeleSculptor

Photogrammetry designed with a focus on aerial video


      Power Tab Editor is an easy to use cross-platform guitar tablature editor and viewer.
      It is an open source, community-driven successor to the original Power Tab Editor 1.7.
      A variety of file formats are supported, including .pt2, .ptb, .gp3, .gp4, .gp5, .gpx, and .gp
    
    

Power Tab Editor

This app is an alternative to the Windows and MacOS only versions of Genki Arcade. It shows the output of the capture card and has a very minimalistic design.Note: You need a ShadowCast by Genki to really use this application.

shadowcast-electron

Shows the videostream of ShadowCast by Genki

MOV MetaEdit is a tool that supports the embedding and editing of metadata in MOV (Apple QuickTime) or MP4 (ISO/IEC 14496-14 a.k.a. MPEG-4 Part 14) files.It is currently focused on Universal Ad ID metadata but could be expanded on request.Sponsored by Ad-ID; designed, led and fully developed by MediaArea.

MOV MetaEdit

Embed and edit Universal Ad ID metadata in MOV or MP4 files

sView is a media player to view 3D stereoscopic videos.

sView

ChibiTracker is a portable IT (Impulse Tracker) clone. It is not a 100% clone though, as it adds more features, such as chorus and reverb, stereo samples, an advanced sample editor and more. The user interface also presents some changes, as it can be custom themed and resized.ChibiTracker is Open Source Software under the GNU Public License, and it can be run under Windows, Mac-OS, Linux, FreeBSD, BeOS, and more to come.For those who haven't used trackers before, ChibiTracker is a small, compact music composing application that is easy to learn and powerful enough to sound good.

ChibiTracker

ChibiTracker is a portable IT (Impulse Tracker) clone

MhWaveEdit can play and edit sound files like .wav, .mp3, .ogg. It is intended to be user-friendly and robust. It does not require a fast computer. It supports effects like: fade in/out, Normalize, Volume adjust/fade, convert sample rate, convert sample format, byte swap, mix to mono, add channel, map channels, combine channels, speed adjustment, pipe through program.Features:Loads, plays, records and saves wav, mp3, ogg files and a few other formats as well.If the file is small, it's loaded into memory. Otherwise, it's edited on disc.Cut, copy and paste.Combine two or more files into single mp3/wav/oggVolume and speed adjustmentConvert between sample rates, sample sizes, stereo and monoYou can always undo, all the way back to the original state of the file (even when editing large files.)

mhWaveEdit

mhWaveEdit is a graphical program for editing sound files

KikoPlay's features:
      
        OpenGL rendering, smooth barrage experience, supports normal scrolling mode/live streaming mode to display barrage
        Libmpv playback kernel, retaining flexible parameter settings for mpv, supporting real-time progress bar preview
        Tree shaped playlist for organizing video files at will
        Support danmu search and download on all mainstream video websites, and support more danmu sources through scripts
        Flexible barrage shielding rule settings, supporting automatic merging of similar barrages, analysis and annotation of barrage events, improving viewing experience
        Support batch management of barrage pools and adjustment of barrage timelines to better handle inconsistencies in the duration of local videos and videos on websites
        Powerful database function, supporting recording and organizing animations you have watched in multiple ways, and supporting more information sources through script expansion
        LAN service, you can watch it on other devices through a webpage, and there is now an Android version available for selection
        DLNA function supports screen projection to other devices and can also serve as a media server for other devices to access
        Integrating functions such as daily playback, resource search, aria2 download, and automatic download, all operations such as download, viewing, and management can be completed in KikoPlay
      
    

KikoPlay

Analyze audio systems using a sound card. Features include:
      
        Tone generator
        Oscilloscope
        Spectrum analyzer
        Frequency response plot
      
    

audmes

Karapulse is a Linux karaoke player supporting CDG/MP3 as well as video files. It provides a self-served web application that singers can use with their phone to search for and queue their favorite songs.Once installed you'll need to index your songs collection. This can take a while if you have a lot of songs but needs to be done only once. To do so run the following command with the directory containing your songs ($HOME/karaoke in the example):flatpak run --command=karapulse-manage-db org.karapulse.Karapulse add-dir $HOME/karaoke

Karapulse

Karaoke player with built-in web remote client

Le Biniou works with music, voice, ambient sounds, whatever acoustic source you choose.When you run Le Biniou it gives an evolutionary rendering of the sound you are playing.You are given two options to run Le Biniou: You can manage entirely the sequences and choose your own series of pictures from the default library, your colour scales, the kind of alteration you want to apply or you can let Le Biniou's artificial intelligence run on its own.Forget the old visualizations you are familiar with, discover a new multidimensional – spatial and chromatic – way of comprehending music and sounds for either artistic, recreational or didactic purposes.

Le Biniou

User-friendly, powerful music visualization / VJing tool

Use ffmpeg to convert your video files to looped WEBP animations. No extra bells or whistles. Open a file and press go. Made primarily for easily creating live wallpapers for the Steam Deck
    

WebReady

Floodlight is a free program for churches to display lyrics and media. It is designed with user-friendliness and ease of use in mind, and it supports a wide range of multimedia formats.

Floodlight Presenter

Free, libre, open source presentation and lyrics program

It can transform any sound/music to a texture. Please note that this is suitable only for extreme time stretching (e.g. if have a melody of 3 minutes and you want to listen it in 3 hours). If you want "less extreme" time stretching, you can use a program which contains the SoundTouch library.Features:It produces high quality extreme sound stretching. While most sound stretching software sounds bad when trying to stretch the sounds a lot, this one is optimized for extreme sound stretching. So, the stretch amount is unlimited.You can play the stretched sound in real-time (including the possibility to "freeze" the sound) or you can render the whole sound or a part of it to audio files.It has many post-processing effects, like: filters, pitch/frequency shifters.Support for WAV, OGG VORBIS files and MP3 files.It is a Free Software.

paulstretch

This is a program for extreme sound stretching (like 50x) and for applying special effects by "spectral smoothing" the sounds.

Scribl is a program for creating simple video lectures that combine audio with hand-drawn animation.

Scribl

Stochas is a probabilistic polyrhythmic sequencer.
    

Stochas

Napster is the streaming app where music is more than sound.Alongside 110+ million songs, Napster is home to hundreds of thousands of official music videos. Whether you're streaming on demand or listening offline, enjoy all content ad-free.Deep-dive into playlists and mixes prepared just for you. Listen in Lossless audio to hear precisely what the artist intended, or try Dolby Atmos immersive sound to hear every detail with unparalleled clarity and depth.

Napster

Pd-extended is a fork of Pure Data that integrates better with the OS, and provides an easy-to-install and thorough assembly of available libraries, extensions, and documentation.  This is the final release, and is not maintained.&lt;em&gt;IMPORTANT&lt;/em&gt;: Running Pd-extended under Flatpak is experimental. The following are known limitations.Realtime priority cannot be used.JACK audio backend cannot be used.Packages from https://puredata.info/ do not have these limitations.Pure Data is an open source visual programming environment that runs on anything from personal computers to embedded devices (ie Raspberry Pi) and smartphones (via libpd, DroidParty (Android), and PdParty (iOS). It is a major branch of the family of patcher programming languages known as Max (Max/FTS, ISPW Max, Max/MSP, etc), originally developed by Miller Puckette at IRCAM.Pd enables musicians, visual artists, performers, researchers, and developers to create software graphically without writing lines of code. Pd can be used to process and generate sound, video, 2D/3D graphics, and interface sensors, input devices, and MIDI. Pd can easily work over local and remote networks to integrate wearable technology, motor systems, lighting rigs, and other equipment. It is suitable for learning basic multimedia processing and visual programming methods as well as for realizing complex systems for large-scale projects.

Pd-extended

An open source visual programming language for multimedia

This package contains Purr Data, which is a fork of Pure Data that bundles a lot of useful extensions, and brings a modern HTML5-based user interface.Pure Data is an open source visual programming environment that runs on anything from personal computers to embedded devices (ie Raspberry Pi) and smartphones (via libpd, DroidParty (Android), and PdParty (iOS). It is a major branch of the family of patcher programming languages known as Max (Max/FTS, ISPW Max, Max/MSP, etc), originally developed by Miller Puckette at IRCAM.Pd enables musicians, visual artists, performers, researchers, and developers to create software graphically without writing lines of code. Pd can be used to process and generate sound, video, 2D/3D graphics, and interface sensors, input devices, and MIDI. Pd can easily work over local and remote networks to integrate wearable technology, motor systems, lighting rigs, and other equipment. It is suitable for learning basic multimedia processing and visual programming methods as well as for realizing complex systems for large-scale projects.

Purr Data

An open source visual programming language for multimedia, based on Pure Data

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