BombSeq
A powerful 64-step MIDI sequencer VST3 plugin built with JUCE, featuring MPC-inspired swing, per-step probability/gate/velocity controls, 16 pattern banks, 8 save slots, and a stunning vintage hardware-inspired UI with amber LCDs and rubber pads.

64-Step Sequencer
Variable pattern length (1-64 steps) with per-step Note, Velocity, Gate, and Probability parameters.
MPC-Style Swing
50-100% swing control with three grid modes (16th notes, 8th notes, triplets) for authentic groove.
Pattern Banks & Presets
16 runtime pattern banks for quick switching + 8 persistent user save slots with full serialization.
Hardware-Inspired UI
Vintage MPC60 aesthetic with grey chassis, rubber pads, amber LCD displays, wood accents, and BOMB branding.
Host Transport Sync
Sample-accurate timing with automatic DAW tempo sync and zero timing drift.
MIDI FX Plugin
Appears in MIDI FX browser (not Instruments). Load before your synth/sampler on any MIDI track.
Installation:
- • Copy to ~/Library/Audio/Plug-Ins/VST3/
- • Rescan plugins in your DAW
Installation:
- • Copy to C:\Program Files\Common Files\VST3\
- • Rescan plugins in your DAW
Installation:
- • Copy to ~/.vst3/
- • Rescan plugins in your DAW
Quick Start Guide
Load: Add BombSeq as a MIDI FX device on a MIDI track (appears in MIDI FX browser, not Instruments)
Activate: Right-click pads to toggle them red (active) - left-click to select for editing
Edit: Select a pad, adjust NOTE (pitch), VELOCITY (volume), GATE (length), and PROBABILITY (%)
Length: Set pattern length (1-64 steps) - grey pads are outside the active pattern
Play: Press BombSeq's Play button + start DAW transport (both required)
Save: Use SAVE buttons to store patterns, LOAD buttons to recall (16 banks + 8 persistent slots)
Support Development
BombSeq is free and always will be. If it's been useful in your productions, a small donation helps keep development going — new features, wavetables, bug fixes, and more.
Secure payment via PayPal · No account required
Documentation & Source
Full technical documentation, build instructions, and source code available on GitHub. BombSeq is open source under the MIT license.