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// dPaul Technologies — Software

Mac software.
Built to last.

Tools built to a higher standard — more power, more control, runs natively on your Mac. Some are paid, some are free. All built from scratch.

// 01 Dupe Remove
Software Mac App Images

Find and remove duplicate photos. Fast, private, runs entirely on your Mac.

If you shoot a lot of photos, you know the problem — hundreds of near-identical shots clogging up your drive. Dupe Remove finds them fast using perceptual hashing, groups them visually, and lets you decide what to keep. Nothing is deleted without your say-so.

Detects exact and visually similar duplicates. Group review side by side. Adjustable sensitivity. Supports JPG, PNG, WEBP, HEIC, GIF, BMP and more. Up to 1,000 images per session. 100% local — nothing leaves your Mac.

Dupe Remove — Duplicate Image Cleaner for Mac
Buy Now — £19 One-off payment · no subscription · macOS 10.15+ · 30-day trial included
// 02 HTML‑Live
Software Dev Tools JavaScript

Write HTML, see it live — no button to press, no delay. Now a native Mac app.

A fast, distraction-free HTML editor and live preview tool for designers and developers. No setup, no server, no dependencies — just open and start building. Import your files, edit, and save directly back to disk. Full syntax support, live reload on every keystroke, and a reset control to wipe back to a clean slate.

Built entirely with vanilla JavaScript. Real-time preview, desktop/tablet/mobile modes, Find & Replace with regex, HTMLHint debug panel, Inspect mode, version rollback, and export as raw, formatted or minified HTML.

HTML Live running on a MacBook
Get HTML‑Live Pay what you wish · your support means everything · thank you.
// 03 DP‑ONE MKVI
Synthesiser Mac App Music Free

A standalone synthesiser and step sequencer for Mac — built entirely from scratch using the Web Audio API. No plugins, no DAW required, no subscription. Just open it and make music.

DP-ONE MKVI — 3D render

Three synth engines — SuperSaw, Moog Bass, and FM Lead — feed through a full filter bank with LFO, envelope, drive, chorus, BPM-locked echo, and convolution reverb. A 7-track drum sequencer runs alongside a dual bass sequencer with six bass engine types including Sub Bass, Acid 303, Slap Bass, and Reese. Play live over the sequencer from the on-screen keyboard or a connected USB MIDI keyboard.

Audio output routes to any DAW via BlackHole (free virtual audio driver) — record directly into Logic Pro, Ableton, or GarageBand as a live audio source. Export patterns as standard MIDI files to import straight into your DAW as editable regions.

DP-ONE MKVI running on screen
  • SuperSaw / Moog Bass / FM Lead synth engines — 8-voice polyphony
  • 7-track drum sequencer — Kick, Snare, Clap, Hat, Tom, Rim, Synth row
  • Dual bass sequencer — 6 engine types, two independent lines
  • AI bass generator — describe a line and Claude programs it automatically
  • Full filter bank — LP / HP / BP / Notch / Peak EQ / Shelf with LFO & envelope
  • Effects — Chorus, BPM-locked Echo, Convolution Reverb
  • 37-key on-screen keyboard with pitch wheel — USB MIDI keyboard support
  • Routes to Logic Pro, Ableton, GarageBand via BlackHole
  • MIDI export — drums, bass lines, and synth on separate channels
  • 3 preset slots with JSON export / import
Free Mac Apple Silicon macOS 12+ No Subscription No Account Required
Download Free Free forever · Apple Silicon (M1 / M2 / M3) · macOS 12 or later