lab.est.im

dtmf

Dual-tone multi-frequency signaling

metronome

Precise web-based metronome

Harp MIDI

MIDI playback with room echo

Web Audio TX

Transmit data over soundwaves

WebRTC Sandbox

Fundamental testing implementations

WebRTC Scanner

Scan network capabilities locally

Serverless RTC

Strictly P2P WebRTC connections

ECG Audio

Simulating electrocardiogram sounds

3D Parallax

Naked-eye 3D barriers

Grayscale Anim

HTML5 cinematic grit animation

Additive Color

Luminescent color blending

Gyro Parallax

Device-orientation based depths

Color Wheel

Interactive color selection ring

Vertical-RL

Vertical layout for classical poetry

Shit SVG

Abstract chaotic vectors

3D Neon

Volumetric glowing tubes

Metallic

Brushed metal and sharp lighting

Mouse Tracker

Vectors reacting to pointers

Favicons

Sleek dynamic branding vectors

Frame Anim

Sprite-sheet stepping purely in XML

Circle Anim

Graceful scaling & dash offsets

Inline Text

Fusing DOM blocks inside SVG

Horizontal Scroll

Trackpad-friendly content flow

Meta Redirects

Routing directly to data URI schemas

mDNS Cast

Multicast DNS discovery tests

WeChat Moments

UX replication of the timeline

Serverless Passkey

WebAuthn flows without backends

Presentation API

Secondary display throwing spec

Pinglish

Alternative Pinyin romanization scheme

SSD Warmup.py

Refresh cold clusters to mitigate speed decay