A powerful, open-source drum machine VST3 plugin built with the JUCE framework. JDrummer features SoundFont-based drum kits, a comprehensive groove library with tempo-synced playback, a composition tool, and an intelligent Groove Matcher that analyzes audio to find matching drum patterns.
Features:
🥁 Drum Pads
16-pad drum grid with velocity-sensitive playback
Multiple SoundFont kits - Ships with 29 drum kits including:
Standard acoustic kits (Standard, Room Drums, Power Drums, Jazz Drums)
Electronic kits (808, Electronic Drums, Dance Drums, House Kit)
Specialty kits (Orchestral Percussion, Brush Drums, NIN Drumkit)
Per-pad controls:
Individual volume adjustment (0-100%)
Pan control (left/right)
Solo and mute options
Dynamic kit loading - Add your own .sf2 SoundFont files to expand your library
🎵 Grooves Browser
Extensive groove library organized by category:
Basic Beats
Break Beats
Buildups
Double Bass Beats
Fills
Half Time Beats
OffBeats
Swing Beats
Tom Beats
Tempo-synced playback - Grooves automatically sync to your DAW's tempo
Preview functionality - Audition grooves before adding them to your project
Drag and drop - Drag any groove directly into your DAW as a MIDI clip
Bar selection - Choose how many bars of a groove to use (1-16 bars)
🎼 Composer
Build complete drum parts by combining multiple grooves
Visual timeline showing your arrangement
Reorder and remove items from your composition
Export as MIDI - Drag your entire composition to the DAW
Loop playback for previewing your arrangement
🎯 Groove Matcher
An intelligent feature inspired by professional drum software that helps you find the perfect groove for your music:
Audio analysis - Drop any audio file (WAV, MP3, FLAC, OGG, AIFF) to analyze its rhythm
BPM detection - Automatically detects tempo using the minibpm library
Smart filename parsing - Extracts BPM from filenames (e.g., "beat_120bpm.wav")
Pattern matching - Analyzes rhythm patterns and finds matching grooves from your library
Similarity scoring - Shows match percentage for each suggested groove
Preview with audio - Play back the matched groove alongside your original audio
Automatic composition - Best match is automatically added to the composer
Seamless workflow - Found the perfect match? Drag it straight to your DAW
Drum Kits Tab
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