No. 10 of 25 ·AI Noise Cancellation Software

Alt Denoiser

Windows · Mac · Linux

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Freedom report

Two barsScore 5.5

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

Alt Denoiser is ranked #10 of 25 in AI noise cancellation software on Freedom251. It runs on Linux, macOS, Windows.

Compared on AI noise cancellation software

Real-time cancellation: Yes
Supported operating systems: windows_macos
Recording support: Yes

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The record

Purpose: Alt Denoiser is a real-time AI audio noise suppression plugin based on DeepFilterNet.
Plugin formats: It supports VST3, VST2, Standalone, AU, and LV2 formats.
Noise reduction model: The plugin bundles DeepFilterNet3 models, so no external model download is required.
Sample rates: It supports any host sample rate with automatic high-quality resampling.
Controls and metering: Its interface has one attenuation control knob and input/output RMS meters.
Downloads: The Releases page lists precompiled binaries for Windows, macOS, and Linux in VST3, VST2, AU, LV2, and Standalone formats.
Audio routing: Version 1.0.2 supports Mono-to-Mono, Stereo-to-Stereo, and Mono-to-Stereo configurations.
Latency: Version 1.0.2 notes declared latency of 1920 samples for startup and reset FIFO prefill.
Host compatibility: The release notes mention fixes for audio stutter and dropouts in EqualizerAPO and DAWs at standard host buffer sizes including 512, 1024, and 128 samples.
Linux setup: The build instructions list GUI and audio development dependencies for Ubuntu/Debian, Fedora, and Arch Linux and note that JUCE requires X11/XWayland client headers even under Wayland.
Build requirements: Building from source requires CMake 3.15 or later, the Rust toolchain, and a C++ compiler.
License: The project states that it is licensed under GPLv3.
Support: The repository exposes GitHub Issues for project questions and bug reports.
Intended users: The README describes a ready-to-use plugin for audio hosts, and the release notes mention DAWs, EqualizerAPO, and Windows microphone input devices.

Where it ranks on Freedom251

Best AI Noise Cancellation Software in 2026#10 of 25

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Sources

github.com/Altinus/Alt-Denoiser· checked 4 Oct 2026
github.com/Altinus/Alt-Denoiser/releases· checked 4 Oct 2026