OpenAudio is a list of open-source audio software projects, covering apps, plugins and libraries. The intent is to catalog open-source audio apps, plugins such as VSTs, and other resources that are either fully featured or useful examples with non-trivial features. It includes sections for audio plugins, collections, audio apps, development libraries and APIs, code samples and open data resources.
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Safeaudiokit is a browser-based online audio editor for cutting, trimming and changing the pitch and speed of audio files. Its tools cover MP3 editing, audio effects, audio compression and audio calculators. The site states that no files are sent to a server.
Exact Audio Copy is an audio grabber for audio CDs that uses standard CD and DVD-ROM drives. It is free for non-commercial purposes and uses multi-reading with verify and AccurateRip. It reports the time position of uncorrectable errors. No user documentation has been prepared.
KVR Audio is an online community and news site covering audio plugins such as VST, Audio Units, AAX, virtual instruments and effects. It publishes news, reviews, articles and interviews, hosts a forum, and offers a marketplace for buying plugins and downloading free ones. It also runs events including the KVR Developer Challenge and KVR Readers' Choice Awards.
VB-CABLE is a virtual audio device that works as a virtual audio cable, forwarding audio coming into the CABLE input to the CABLE output. It is a Windows audio driver that, per the page, can be used without configuration and works with audio applications using MME, KS, DX or WASAPI interfaces. A macOS package is also listed. VB-CABLE is offered as donationware, with license pricing left to the user's means or usage.
Audio Glossary is an audio or music resource for streaming, discovery, editing, production, or library management.
Binaural Audio is an audio or music resource for streaming, discovery, editing, production, or library management.
Newgrounds Audio is an audio or music resource for streaming, discovery, editing, production, or library management.
Tenacity is an easy-to-use, cross-platform multi-track audio editor and recorder for Windows, macOS, Linux and other operating systems, developed by volunteers as open-source software. It supports recording from real or virtual audio devices, import and export of many audio formats extendible with FFmpeg, up to 32-bit float audio, and VST, LV2 and AU plug-ins.
Audioalter is a collection of web-based audio tools. Effects include 3D Audio, Auto Panner, Bass Booster, Equalizer, Noise Reducer, Pitch Shifter, Reverb, Reverse Audio, Stereo Panner, Tempo Changer, Trimmer / Cutter, Vocal Remover and Volume Changer. Other tools include a BPM Detector, Converter, Downmixer, Spectrogram Image and Waveform Image, plus presets.
AFreeStudio is a guide to free audio software, covering digital audio workstations and plugins such as preamp emulations, EQ, compressors, saturation, tape, reverb, chorus and delay. It also lists synthesizers, samplers, samples and audio editors. The author notes the list is primarily meant for Mac users.
Audacity is a free, open-source audio editor and recorder. It can cut, trim, split, reverse and mix audio, apply effects such as reverb, compressor and distortion, reduce noise and remove vocals. It runs on Windows, macOS and Linux, supports major audio formats and third-party plugins, and includes AI transcription.
A guide on ripping audio from Spotify podcasts. It describes opening DevTools' Network tab, filtering media requests, playing the podcast, and downloading the resulting .mp3 file. The guide credits Stryker and is hosted on Rentry.
Platform for live audio streams of public safety, aircraft, rail and marine radio, with free listening to live feeds. It also offers calling, node connection for agencies, and premium services including live audio archives and calls archives. Developer APIs are available for calls data and the audio feed catalog.
Draw.Audio is a free online music maker that runs in a browser. Users draw notes on a grid and hear them play back instantly, with the site described as a browser-based synthesizer, sequencer and visual instrument. A guide explains placing notes, adding tracks and pages, shaping sounds and switching between grid sizes.
editor.audio is an audio creation tool for recording, editing, mixing, sound design, or music production.
foobar2000 is an advanced freeware audio player for Windows, macOS, Android and iOS, with the Windows version working on Linux via Wine. It plays mainstream audio formats out of the box, supports gapless playback, advanced tagging, Audio CD ripping and transcoding, ReplayGain, DSP effects and internet radio. An open component architecture allows third-party extensions.
Friture is a real-time audio analyzer that works on Windows, macOS and Linux. It is free and open source. Through widgets such as spectrum and 2D spectrogram views, it helps users understand audio data by visualizing signal characteristics; it also provides an audio generator with sine, pink noise, white noise, sweep and burst.
SonoBus is an open-source application for streaming high-quality, low-latency peer-to-peer audio between devices over the internet or a local network. Multiple users can connect in a group to make music, hold remote sessions, or record audio from everyone. It runs standalone on macOS, Windows, iOS, and GNU/Linux, and as an audio plugin on macOS and Windows.
TimeStretch Player is a free online audio player that can loop, speed up, slow down and pitch-shift sections of an audio file. It is a web application built by Jonas Wagner that requires a modern browser supporting web audio. The page suggests it as a tool for practicing or transcribing music.
AudioAuditor is a free, open-source audio analysis and playback toolkit distributed as a Windows app with a cross-platform CLI. It detects fake lossless files, AI-generated audio, MQA, fake stereo and clipping, and offers spectral analysis, waveform and spectrogram comparison, loudness and dynamics measurement, CD rip verification and batch tools.
Basic Pitch is an open source audio-to-MIDI converter from Spotify that features pitch bend detection. It works on recordings of almost any single instrument, including voice, and converts audio files into MIDI files that can be edited in a digital audio workstation. It is available as an online demo.
David W. Niven Collection is an audio or music resource for streaming, discovery, editing, production, or library management.
Internet Archive is an audio or music resource for streaming, discovery, editing, production, or library management.