Experimental plugins
Bubble physics, circuit models and cellular automata. Instruments and effects for Mac and Windows, with the process visible as you play.
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Bundles from $99
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Bundles
Several products in one purchase, with every Mac and Windows installer.
Frond 9 Bundle
9 products
$149Launch price (until December 1, 2026 (JST), then $200) $351 if bought one by one at regular prices
You save $202
Buy Frond 9 BundleFrond 4 Bundle
4 products$99Launch price (until December 1, 2026 (JST), then $120) $156 if bought one by one at regular prices
You save $57
Buy Frond 4 BundleEverything in Frond 4 is also in Frond 9. Six Materials is pay what you want, so it is not in a bundle.
Products
Press a screen to hear it
COLONY$39An instrument built on cellular automataGame of Life instrumentCOLONY
Draw cells and choose among eight rules. New cells trigger notes; dying cells leave grains of noise.
$39
Buy COLONY- It stays in key
- Eight rules
- Draw, stamp, place stones
- Parts that move on the board
RELAY$39A rhythm machine built from networks and rulesMap-shaped drum machineRELAY
Move nodes to change their connections. Eight rules route the next hit through 48 synthesized percussion voices and 144 presets.
$39
Buy RELAY- The map shows how it works
- Rules on each drum
- With your DAW, or off the grid
- Your own rows and sounds
FIELDLaunch price $35A noise and glitch machine that follows your trackPlug-in that adds sounds to the gapsFIELD
Level and attack detection drive rule-based bursts of noise and glitch. FIELD 1.3.0 runs in your DAW, as an instrument or as an effect.
- 1.3.0: in your DAW
- 24 slots for your own sounds
- From 1.2.0
- You can see what played
ODD PARTS$39A circuit instrument and effect with real and imaginary partsCircuit instrumentODD PARTS
Wire together 20 real and 30 imaginary components. Play the running circuit as an instrument, or pass a track through the FX version.
- Real parts and odd parts
- See the sound as it plays
- Phrases you shape
- Parts that move on their own
BUBBLE STUDIO$39A bubble-physics instrument and effectBubble instrument and effectBUBBLE STUDIO
Collisions, merging and bursting bubbles become sound. Hold a chord and interact with the simulation to change its density and texture.
- A bubble simulation, not a sample player
- Nine sounds, and you can mix them
- Hands on the bubbles
- MOD moves the bubbles for you
WEFT$39A phase-modulation synth that weaves phrases into held notesSynthesizerWEFT
Play a phrase, then hold a note. Phase modulation and overlapping grains bring the phrase back inside the sustained sound.
$39
Buy WEFT- WEAVE
- FRAGMENTS
- It moves if you leave it alone
- Grab the line
SPRIG$3916 arpeggios × 125 chord progressionsPlays piano partsSPRIG
Choose a progression by its shape, then draw a melodic line. Add left-hand chords and bass, and export the performance as MIDI or WAV.
$39
Buy SPRIG- 125 progressions, drawn on the circle of fifths
- Reharm in six levels
- 16 arpeggio patterns, 48 runs
- 22 sounds, 48 presets
MOSAIC$39Rebuild rhythms with recorded materialsRhythm from recordingsMOSAIC
Over 7,500 recordings across ten materials. Read a drum loop’s rhythm and play it back with wood, metal, skin and more.
$39
Buy MOSAIC- 7,500+ recordings, 10 materials
- How far out do you want to go?
- Up to four roles
- 11 pads and MOSAIC FX
CUT$39A glitch sampler for slicing and rearranging loopsLoop editorCUT
Slice on the beat and rearrange in four modes. Twelve performance pads add reverse, tape stop and other effects as you play.
$39
Buy CUT- 4 modes, 4 ways to break it
- dice and 999 seeds
- 12 pads to break it further
- Not stretched, so the hits hold up
SIX MATERIALSPay what you want (from $0, suggested $15)Six keyboard instruments shaped by materialsKeyboard instrumentsSIX MATERIALS
Membranes, layers, stone, reeds, ceramic and folds. Trace a material’s surface to move through its timbre.
Pay what you want (from $0, suggested $15)
Buy SIX MATERIALS- Touch it, or leave it alone
- The six sounds
- The pitch stays put
- Play the surface
frond gridWhich one fits your idea?
Start from what you have. Here is what each one needs and what you get.
| Product | Start with | What it does | You get |
|---|---|---|---|
| CUT | A drum loop | Slices it at the attacks and reorders them | A different groove, as audio |
| MOSAIC | A drum loop | Reads the hits and plays each role with another recording | The same rhythm in other sounds, as audio |
| SPRIG | A chord progression and a line you draw | An arpeggio whose top note is the melody, with left hand and bass | Played in time with your DAW, or dragged out as MIDI or WAV |
| WEFT | The notes you play | Plays your last phrase again inside the held note | Stereo sound that keeps moving |
| BUBBLE STUDIO | Your notes, or audio on a track | Force on the bubbles; the ones that move make sound | Sound that keeps going as the bubbles move |
| ODD PARTS | A circuit of your own, or one of 119 to start from | Calculates the whole circuit as it plays | A sound you play, or your track run through it |
| SIX MATERIALS | A MIDI part or your playing | Plays it on one of six materials | An instrument part with clean chords |
| FIELD | Your track, or the built-in drone | Adds short sounds in the gaps; values can move by themselves | A recording you drag into your DAW |
| RELAY | Drums on a map | Hits run along lines and fire the next drum | A beat that keeps changing with rules and motion |
| COLONY | Draw a few cells | Generations advance by the rule | A piece that keeps going, in key and in time |
New demos on Instagram
Demo videos and news about new products go there.