The best open source alternative to Carla is LMMS. If that doesn't suit you, our users have ranked more than 25 alternatives to Carla and 15 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Carla are Zrythm, Kushview Element, Yadaw and Stargate.
Cross-platform digital audio workstation supporting lossless audio and VST plugins. Features include music looping, sequencing, and MIDI support. Provides an ad-free, privacy-focused, portable experience without registration, working offline with extensibility through plugins and add-ons.
Zrythm is a digital audio workstation designed to be featureful and easy to use.
Element is a cross-platform, modular AU/VST audio plugin host. Create powerful effects racks and instruments by connecting plugins to one another. Load graphs on the fly for quick access to your sounds.
A lightweight, cross-platform DAW built in Rust with egui, designed for sound design and audio prototyping.
Stargate is a holistic audio production solution, with everything you need to make music on a computer.
Giada is a free, minimal, hardcore audio tool for DJs, live performers and electronic musicians. Just pick up your channel, fill it with samples or MIDI events and start the show by using this tiny piece of software as a loop machine, drum machine, sequencer, live sampler or yet...
LinuxSampler - free, open source pure software audio sampler with professional grade features.
A minimalistic VST host. Holds up to 4 VSTs. Allows for multiple instances (see how on GitHub). If you try to load an unregistered plugin, it may fail. Register somewhere else, then load it. If the sound clicks a lot, increase the buffer size or switch to Direct Sound in Audio...
A VST (plus AudioUnit on OSX) plugin host designed for live use. Based on the JUCE 'audio plugin host' code, heavily modified to better suit my purposes.
Luppp is a music creation tool, intended for live use. The focus is on real time processing and a fast, intuitive workflow. With extensive MIDI mapping support, you can get looping just how you like!
QjackCtl is a simple Qt application to control the JACK Audio Connection Kit sound server daemon for the Linux Audio Desktop infrastructure.
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Carla is a JACK patchbay for virtual instruments alternatives would be in the order of Patchage or Patchmatrix not samplers and DAW's .