Giada is an open source, minimalistic and hardcore music production tool. Designed for DJs, live performers and electronic musicians.

Main features:

• Your sample player! Load samples from your crates and play them with a computer keyboard or a MIDI controller;
• Your loop machine! Build your performance in real time by layering audio tracks or MIDI events, driven by the main sequencer;
• Your song editor! Write songs from scratch or edit existing live recordings with the powerful Action Editor, for a fine-tuned control;
• Your live recorder! Record sounds from the real world and MIDI events coming from external devices or other apps;
• Your FX processor! Process samples or audio/MIDI input signals with VST instruments from your plug-ins collection;
• Your MIDI controller! Control other software or synchronize physical MIDI devices by using Giada as a MIDI master sequencer.

And also:

• Ultra-lightweight internal design;
• multi-thread/multi-core support;
• 32-bit floating point audio engine;
• ALSA, JACK + Transport, CoreAudio, ASIO and DirectSound full support;
• unlimited number of channels (optionally controllable via computer keyboard);
• BPM and beat sync with sample-accurate loop engine;
• MIDI output support, featuring custom MIDI lightning messages;
• super-sleek, built-in Wave Editor for audio samples and Piano Roll editor for MIDI messages;
• automatic quantizer;
• portable project storage system, based on super-hackable JSON files;
• support for all major uncompressed file formats;
• test-driven development style supported by Travis CI and Catch
• under a constant stage of development;
• 100% open-source GPL v3.