Life & fun · alternatives · 2026

24 alternatives to Audio-SpectraCLI
Visualizing real-time audio input as a spectrum using FFT
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Audio-SpectraCLI launched in 2024; newer entries below may have overtaken it.
- 1

Dear, This is an update from first submission [1]. New features: - add Hz scale - add YT Music support - add microphone recording - add scale (x and y) options to reduce CPU usage [1] https://news.ycombinator.com/item?id=28135562
2021 · github.com · its alternatives →
- 2IV
2023 · webfft.net · its alternatives →
- 3SV
2021-09-07: New version (1.4) now works on M1 macs. Performance improvements released for both iOS and MacOS. Follow the app on Facebook, Twitter! Subscribe to email list to hear about the future developments. See live sound with high-precision details across both, time and frequency domains! iOS (i
2020 · vsound.app · its alternatives →
- 4

This online virtual oscilloscope allows you to visualise live sound input and get to grips with how to adjust the display. If you find this useful, our online spectrum analyser may also be of interest to you.
2016 · academo.org · its alternatives →
- 5RR
Last April I shared about my Resonate project here (https://news.ycombinator.com/item?id=43694157) A lot has happened since: the work I presented in much more detail at last June's International Computer Music Conference (ICMC) got best paper award. I also gave a talk at the Audio Developer Conference in Bristol last November, the video is on YouTube). This year's work, which I recently presented at this year's ICMC, starts with known techniques from the phase vocoder literature to build self-tuning filter banks that extract very efficiently the frequency components that are…
2025 · alexandrefrancois.org · its alternatives →
- 6FC
2022 · ffmpeg.guide · its alternatives →
- 7

I built a free and open-source, high-resolution, real-time audio visualizer on the web. Try it out here: https://audiovisualizer.org The main feature is a very high resolution frequency domain visualizer. It even works in realtime with the microphone. The application also features a synthesizer that can be played with the keyboard or MIDI files and allows for adjustable harmonics and ADSR envelopes. I used React.JS as the framework, P5.JS for rendering the visualizations, the WebAudio API for audio analysis, Meyda.JS and Essentia.JS for feature extraction, Tone.JS for synthesis,…
2025 · audiovisualizer.org · its alternatives →
- 8RT
2020 · grz0zrg.github.io · its alternatives →
- 9

Hi HN, I’ve been working on a browser-based tool for exploring and debugging Web Audio API graphs. Web Audio Studio lets you write real Web Audio API code, run it, and see the runtime graph it produces as an interactive visual representation. Instead of mentally tracking connect() calls, you can inspect the actual structure of the graph, follow signal flow, and tweak parameters while the audio is playing. It includes built-in visualizations for common node types — waveforms, filter responses, analyser time and frequency views, compressor transfer curves, waveshaper distortion, spatial…
Mar 2026 · webaudio.studio · its alternatives →
- 10HW
Harmogram is an Audio Visual experiment made by Adrian le Bas and powered by the HTML5 Audio API
2012 · harmogram.com · its alternatives →
- 11

This has been a pet project of mine for the past ~5 months. It consists of six visualizations: - Spectrogram: Implements the reassignment method for sharper time and frequency resolution. - Spectrum analyzer: A-weighted, frequency guidelines, loudest frequency tooltip. - Waveform: Colored based on frequency, loudness, or static - Oscilloscope: Tracks pitch and autocorrelates against a reference signal, provides stability. Also includes a regular zero-crossing trigger. - Stereometer & Phase meter: Linear and exponential scaling modes, adjustable windows. Multi-band correlation meter. -…
Mar 2026 · github.com · its alternatives →
- 12FT
2021 · static.laszlokorte.de · its alternatives →
- 13IE
2015 · jackschaedler.github.io · its alternatives →
- 14

MeloCraft is a software for displaying spectrogram and musical pitch in real time with a basic microphone. Free download available.
2015 · melocraft.net · its alternatives →
- 15AS
2019 · simplespectrogram.app · its alternatives →
- 16

Draw.Audio is a free online music maker. Draw notes on a grid and hear them play back instantly — a browser-based synthesizer, sequencer, and visual instrument.
2024 · draw.audio · its alternatives →
- 17

- 18

An interactive music visualizer with many customizations
2025 · apps.apple.com · its alternatives →
- 19

- 20

Interactive tool to understand & visualize the harmonic series in music, also known as the overtone series. Select a fundamental & hear the first 11 overtones.
2022 · muted.io · its alternatives →
- 21

Web-based collaborative real-time audiovisual live coding environment with pixels based image-synth approach to sound synthesis.
2021 · fsynth.com · its alternatives →
- 22

- 23WB
Experiments with tech and their record on the internet
2018 · ashishdubey.xyz · its alternatives →
- 24

Create beautiful color palettes in a scientific way.
2020 · colormixer.web.app · its alternatives →
Also compare
- YouTube Musical Spectrum – visualizer for YouTube with musical notes alternatives
- I've built a spectrogram analyzer web app alternatives
- Sound visualisation, better than FFT (iOS) alternatives
- A virtual oscilloscope using Web Audio and live microphone input alternatives
- Resonate – real-time high temporal resolution spectral analysis alternatives
- FFmpeg Command Visualizer and Editor alternatives
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →