Free audio plug-ins and practical macOS/iOS apps

Free variable-band sidechain dynamics plug-in with compression, expansion, flexible matrix routing, and Inverse sidechain mode.

Free dialogue cleanup plug-in for voice and post-production, with separate sibilance and residual processing for more consistent speech.

Free level-dependent EQ plug-in with separate curves for quiet, mid-level, and loud parts, plus Tone Shaper and Dynamic EQ workflows.

Free multi-band phase and timing shaper for tightening drums, transients, and frequency-specific timing problems.

Real-time spectral dynamics plug-in for smoothing harshness and uneven resonances with frequency, level, sidechain, and inter-band reduction control.

Beta plug-in analyzer for loading AU/VST processors, sweeping parameters, and turning compressor, EQ, saturation, timing, and automation behavior into repeatable trace graphs.

Multiband gate and spectral expander for shaping how frequency regions open, close, influence each other, and transition over time.

iPad recording-session app that adds timecode markers to PDFs and jumps your DAW back to the marked spot.

iPhone, iPad, and Mac camera-monitor app that turns one Apple device into a camera and another into a viewer.

Music theory, ear-training, and composition-practice app for harmony, counterpoint, orchestration, instrumentation, solfege, and jazz study.

Free iPad sheet music library for managing PDFs, reading scores, adding light Apple Pencil notes, bookmarking pages, and tracking practice spots.

Safari extension for searching selected text on your favorite sites from iPhone, iPad, or Mac.

macOS one-way folder sync app that makes rsync-style copying easier to review, repeat, and trust.

macOS desktop calendar widget with customizable colors, fonts, weekend styling, and readable month layouts.