Youlean Loudness Meter Alternatives

Vital is a spectral warping wavetable synthesizer with drag'n'drop modulation workflow and animated preview of the synth's inner workings where needed. Comes with many modulation sources (including audio-rate), MPE support and FX chain.

a real-time audio visualization tool (animated, 3D)

Create automated newsletter campaigns with an affordable email marketing solution

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Display sound level

Professional sound level meter in your pocket! Features: ------- ¦ direct reading in dB

Realtime Multi-instrument, Audio Analysis and Metering Software.

Whether you want to make music for the club, or you're aiming to put a few tracks to a film, Audiotool is a website geared towards putting the mixes at your fingertips. Read more about AudioTool.

Friture is a program designed to analyze audio input in real-time.

Open Source

You can measure the environmental noise in decibels.

The automatic audio post production webservice, using signal processing and machine learning techniques.

Spectro is a freeware audio file analyzer for windows.

A powerful software implementing a Spectrum Analyzer, Oscilloscope, Frequency meter, Distorsiometer, Volt meter and more... plus complete D/A conversion, ZRLC, Impedance meter

Precise 10 channel multi-meter supporting all relevant broadcast and streaming standards.

Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.

Open Source