Synth by Playtronica is a digital playground that transforms everyday objects into musical instruments. By blending touch, sound, and technology, it makes music creation playful and accessible. Their online synths and innovative gadgets invite users of all levels to explore sound through interactive, hands-on experiences with the material world.

Acid Machine 2 recreates the raw energy of acid house directly in your browser. With twin synth lines and a built-in drum machine, it invites users to build pulsing patterns and squelchy basslines. Its vintage-inspired design offers a hands-on, no-frills experience perfect for live jamming and spontaneous track creation.

Stuart Memo’s Sympathetic Synthesizer System Mk 1 is an analog-style Web‑Audio synth you can use directly in your browser. It offers three oscillators (triangle, sawtooth, square), LFO, noise generator, filters with ADSR envelopes, and MIDI support—perfect for deep sound design and hands-on exploration

SynthCube by Airtight Interactive lets you build a 3D Rubik’s Cube of sound patterns—each square a unique loop. Spin, twist, and manipulate the cube to remix beats in real time. It’s an interactive, visual sound toy perfect for exploring rhythm and structure in a fun, hands-on musical experience.

WebSynths Grooves is a spectacular free browser-based drum machine and sample library. Featuring an 8-track polymetric sequencer, randomization, MIDI support, and hundreds of play-ready drum one-shots, you can design grooves, save WAV exports, or download sample packs. A must-have tool for beat-makers and browser‑music lovers.