Euclidean Rhythm Composer (Web)
http://www.groovemechanics.com/euclid/
PolyRhythm. Interactive exploration of rhythm.
http://www.petervandernoord.nl/polyrhythm/
Archive of Synthesizer Manuals (Internet Archive)
https://is.gd/2gKXye
How Do Synthesizers Work? (Explain that Stuff)
https://www.explainthatstuff.com/synthesizers.html
Helm by Matt Tytel.
https://tytel.org/helm/
Music Theory Lessons (LightNote) Basic music lessons.
https://www.lightnote.co/
The Infinite Drum Machine.
https://experiments.withgoogle.com/ai/drum-machine/view/
Audiotool. Make Music Online In Your Browser.
https://www.audiotool.com/
Harmony Explained. Progress Towards A Scientific Theory of Music.
https://arxiv.org/html/1202.4212v1
106.js A Roland Juno-106 Emulation with MIDI support in Chrome.
http://juno-106.js.org/
Chords & Scales Reference.
http://chords.jpglomot.com/#/about
Web Archive of Audio Utilities.
http://onlinetonegenerator.com/
10 Tips for Creating More Realistic MIDI Music (Soundfly)
https://flypaper.soundfly.com/tips/10-tips-realistic-midi-music/
Audio Levels (Transom)
https://transom.org/2011/levels/
MIDI Maker allows you to create simple monophonic MIDI files.
https://www.mobilefish.com/services/midi_maker/midi_maker.php
Open Music Library
https://alexanderstreet.com/oml
Modular Quick Tip Sidechain Compression.
http://alijamieson.co.uk/2016/10/19/modular-quick-t...ain-compression/
Sampling as Instrumentation. How Recorded Noise Found Its Way into Music (SoundFly)
https://flypaper.soundfly.com/features/sampling-as-...ory-of-sampling/
Surge Synthesizer (Synthtopia)
https://www.synthtopia.com/content/2018/09/26/surge...ree-open-source/
The Shortwave Radio Audio Archive.
https://shortwavearchive.com/
Ableton Live 10 Beginner Course (YouTube)
https://is.gd/KUAa8m
Internet Archive Software Collection.
https://archive.org/details/software
The Rational Keyboard.
http://fritzo.org/keys/#style=piano
Patatap. Experimental Sound and Animation Web Site.
https://www.patatap.com/
The Audio Producer’s Guide To Loudness (Transom)
https://transom.org/2015/the-audio-producers-guide-to-loudness/
iO-808 Emulation of a Roland TR-808 Drum Machine.
https://io808.com/
Sonic Visualiser. Viewing and analysing the contents of music audio files.
https://www.sonicvisualiser.org/index.html
Viktor NV-1 Web Synthesizer.
http://nicroto.github.io/viktor/
RC-455 WebAudio Synthesizer.
http://barakchamo.github.io/rc455/
AngularJS Polyphonic Synthesizer (Web)
http://fuczak.github.io/RumcaJS/
Leshy SFMaker. Sound Effect Generator.
https://www.leshylabs.com/apps/sfMaker/
jsfxr Web sound effects generator.
http://github.grumdrig.com/jsfxr/
Yamaha's DX7 FM Synthesizer.
https://mmontag.github.io/dx7-synth-js/
Musical Chord Progression Arpeggiator.
https://codepen.io/jakealbaugh/full/qNrZyw
Music Theory for Musicians and Normal People.
https://tobyrush.com/theorypages/index.html
Frequency Map.
http://cdn.mos.musicradar.com/images/legacy/futurem...lubmix_dsktp.jpg
Roland Juno-106.
http://juno-106.js.org/
WDS-1. Web Drum Sequencer.
https://wds-1.com/
Audio Test File Generator.
https://www.audiocheck.net/audiofrequencysignalgenerator_sweep.php
TR-101 Drum Synth/Sequencer.
https://inverted3.gitlab.io/drum-machine/
SongSprouter. Algorithmic music composition app.
http://bapd.org/songsprouter.html
Muzoti. Algorithmic Music With Web Audio/Midi.
https://www.muzoti.com/
Chords & Scales Reference.
http://chords.jpglomot.com/#/about
Tonehack. Chrome Synthesizer Experiment.
http://tonehack.com/
Melodique. Algorithmic Melodic Phrase Generator.
http://maximecb.github.io/Melodique/
Sodaphonic Audio Editor.
https://sodaphonic.com/
Acid Machine.
http://errozero.co.uk/acid-machine/
Web-Based Molecular Music Box Generator.
https://www.tomsnively.com/mmb/
NASA Audio and Ringtones.
https://www.nasa.gov/connect/sounds/index.html
Bosca Ceoil. Retro Music Maker.
https://boscaceoil.net/
The Audio Producer’s Guide To Loudness (Transom)
https://transom.org/2015/the-audio-producers-guide-to-loudness/
Binaural Beat Generator.
http://onlinetonegenerator.com/binauralbeats.html
Seeded Procedural Music Generator (CodePen)
https://codepen.io/jakealbaugh/pen/EKRarY
Tone Generator. Generate Pure Tones of Any Frequency.
https://www.szynalski.com/tone-generator/
"Sekaiju" Open Source MIDI Sequencer/Editor Software.
https://openmidiproject.osdn.jp/Sekaiju_en.html
"Audibilization" and Visualization of Sorting Algorithms.
http://panthema.net/2013/sound-of-sorting/
Fragment. The Collaborative Spectral Synthesizer.
https://www.fsynth.com/#downloads
Basic Music Theory. A Music Theory Reference Site.
https://www.basicmusictheory.com/
The Recording Manual. A guide for the home recording artist.
http://johnlsayers.com/Recmanual/index.htm
The Ultimate Guide to Drum Programming (EDMProd)
https://www.edmprod.com/drums-guide/
8 Ways the Roland 808 Drum Machine Changed Pop Music (Rolling Stone)
https://www.rollingstone.com/music/music-news/8-way...op-music-249148/
What is a Decibel, Anyway?
https://tomhazledine.com/what-is-a-decibel-anyway/
WebSynths. The Browser-Based Microtonal MIDI Instrument.
https://www.websynths.com/
How to Copyright Your Songs? (YouTube)
https://youtu.be/xjcfav1qdHg
Crafting Loud Mixes That Sound Great (SOS)
https://www.soundonsound.com/techniques/crafting-lo...ixes-sound-great
Computoser. Unique, Computer-Generated Music.
http://computoser.com/
SunVox. A small, fast and powerful modular synthesizer with pattern-based sequencer.
https://warmplace.ru/soft/sunvox/
Oscilloscope!. A software music oscilloscope.
https://asdfg.me/osci/
Ableton Live Code (Really Useful Plugins)
https://reallyusefulplugins.tumblr.com/livecode
Synth Terminology And Basics for Beginners (Ask Audio)
https://ask.audio/articles/synth-terminology-and-basics-for-beginners
Limiting vs Compression in Mixing Explained (YouTube)
https://youtu.be/PT1kUE4ns7I
Rave Generator VST (Win) (Blogosaur)
https://blog.wavosaur.com/rave-generator-VST-free-90s-stab-synth/
DJs of the Future Don't Spin Records—They Write Code (WIRED)
https://www.wired.com/story/algoraves-live-coding-djs/
A Beginner's Guide to the Synth (Gizmodo)
https://gizmodo.com/a-beginners-guide-to-the-synth-1736978695
Metronome Online.
https://www.metronomeonline.com/
Giada. Hardcore Loop Machine.
https://www.giadamusic.com/index
Loudness Penalty Analyzer.
https://www.loudnesspenalty.com/
Music Tool Kit.
http://www.thewhippinpost.co.uk/tools/index.htm
Smasher (SourceForge)
https://sourceforge.net/projects/smasher/
How to Create Headroom.
https://flypaper.soundfly.com/produce/how-to-create-headroom-7-tips/
Surge Synthesizer (GitHub)
https://surge-synthesizer.github.io/
Six Different Problem Frequencies and How to Spot Them (Tuts+)
https://music.tutsplus.com/tutorials/6-different-fr...them--audio-9724
On-Line Drum Machine.
https://www.onemotion.com/drum-machine/
Hydrogen. An advanced drum machine.
http://hydrogen-music.org/features/
Compression Made Easy (Sound-On-Sound)
https://www.soundonsound.com/techniques/compression-made-easy
Eight DIY Analogue Synthesizers You Can Build At Home (Vinyl Factory)
https://thevinylfactory.com/features/8-diy-analogue...n-build-at-home/
"The Largest Classical Music Resource for MIDI Files"
http://www.kunstderfuge.com/
Music Calculator With Tables for BPM, Hertz, Keyboard Notes Conversions and Q Factor.
https://musiccalculator.com/
WolframTones. Generate a Composition.
http://tones.wolfram.com/generate/
Silk. Interactive Generative Art.
http://weavesilk.com/
Singing Bowls. Relaxing Meditation Soundscape Generator.
https://mynoise.net/NoiseMachines/singingBowlsDroneGenerator.php
Drumbit.
https://drumbit.app/
Interactive Circle Of Fifths.
https://randscullard.com/CircleOfFifths/
Visual Guitar. Guitar scales, chords, arpeggios, sound and light.
http://visualguitar.com/index.html
ToneHack. Synth with wave drawing.
http://tonehack.com/
Steganography 20. Generate Melody from Text.
https://www.codeproject.com/Articles/146628/Stegano...Melody-from-Text
LabChirp. Versatile Sound Effects Generator.
http://labbed.net/software/labchirp/
Guitar Chords Finder.
https://www.fachords.com/guitar-chords-tabs/
Audio AI. Isolating vocals from stereo music.
https://towardsdatascience.com/audio-ai-isolating-v...rks-210532383785
Sympathetic Synthesizer System Mk 1.
https://stuartmemo.com/synth/
How to Hide Data in Audio Files.
https://null-byte.wonderhowto.com/how-to/hacks-mr-r...o-files-0164136/
Paul's Extreme Sound Stretch.
http://hypermammut.sourceforge.net/paulstretch/
Canorus (Sourceforge) Cross-platform music score editor.
https://sourceforge.net/projects/canorus/
OpenSong. Created to manage lyrics, chords, lead sheets.
http://www.opensong.org/
SoundHack. Tools for electronic music and audio engineering.
http://www.soundhack.com/freeware/
Hooktheory. On-line music application.
https://hookpad.hooktheory.com/
Song Maker (Chrome Music Lab)
https://musiclab.chromeexperiments.com/Song-Maker/
WebModular. Modular Synthesizer written in HTML5+Javascript.
https://www.g200kg.com/docs/webmodular/
Tonespace 2.0 Chorder. Chord generator and visualizer.
http://www.mucoder.net/en/tonespace/
Wavec. Play real hardware synthesizers through your web browser.
https://wavec.tech/
Zupiter. Web-Based Modular Synthesizer.
https://z.musictools.live/#503
The Rational Keyboard.
http://fritzo.org/keys/#style=piano
Morse Code Tools.
http://morse-rss-news.sourceforge.net/
The Audio Producer’s Guide To Loudness.
https://transom.org/2015/the-audio-producers-guide-to-loudness/
Sonant. Generative music based on random walks.
https://sonant.generated.space/
Binaural Beat Generator (Online Tone Generator)
http://onlinetonegenerator.com/binauralbeats.html
High Quality Midi Site.
https://freemidi.org/
Efflux. Web application, allowing one to create music within their browser.
https://www.igorski.nl/application/efflux/
Virtual Drum Machine.
https://html5drummachine.com/virtual-drum-machine/
Beep.js. Synthesizer in the Browser.
https://beepjs.com/
WASYN-1. Web Audio Synth.
http://www.errozero.co.uk/stuff/poly/
Music Theory Cheat Sheet.
http://assets.classicfm.com/2017/42/music-theory-ch...t-1508254380.png