Alternatives to the Keeley Seafoam+

Catalinbread Callisto Mk. II

Shared character: vibrato, chorus, ambient

Malekko Thicken

Shared character: vibrato, chorus, ambient

Providence ADC-3 Anadime Chorus

Shared character: chorus, ambient, analog

Keeley Seafoam Plus Chorus/Vibrato

Shared character: vibrato, chorus, ambient

Red Witch Empress

Shared character: vibrato, chorus, subtle

Warm Audio WA-C1 Chorus and Vibrato

Shared character: vibrato, chorus, pedal

Universal Audio Uafx Brigade Chorus

Shared character: vibrato, chorus, pedal

JAM Pedals RetroVibe Mk.4

Shared character: vibrato, chorus, ambient

JAM Pedals Chill

Shared character: ambient, subtle, modulation

JHS Emperor v2

Shared character: vibrato, chorus, pedal

Mr. Black Analog chorus vibrato deluxe

Shared character: vibrato, ambient, pedal

SolidGoldFX NU-33

Shared character: vibrato, pedal, analog

ZVEX Instant Lo-Fi Junky Vertical

Shared character: vibrato, chorus, pedal

Fairfield Circuitry Shallow Water, K-Field Modulator

Shared character: vibrato, chorus, ambient

Free The Tone Silky Groove SG-1C

Shared character: vibrato, chorus, pedal

TC Electronic Gravy

similar tone character

Mojo Hand FX Swim Team

similar tone character

Strymon Ola dBucket Chorus

similar tone character

Old Blood Noise Endeavors Reflector Chorus V2

similar tone character

EarthQuaker Devices Sea Machine

similar tone character

Wampler Nirvana Chorus

similar tone character

Carl Martin Atlantic Chorus

similar tone character

TC Electronic Corona Chorus

similar tone character

Walrus Audio Fundamental Chrous

similar tone character