RandomPlanet

A modern Apple silicon driver for the Zoom TAC-2 and TAC-2R Thunderbolt audio interfaces. Zoom discontinued the TAC-2 family; its last driver is an Intel-only kernel extension that stops at macOS 13. TAC-2 RP Driver is a native DriverKit driver — no kernel extension, no Rosetta — written from scratch so these excellent, very low-latency interfaces keep working on current Macs.

• 2-in / 2-out CoreAudio device at 44.1, 48, 88.2, 96, 176.4 and 192 kHz, tuned for the lowest possible round-trip latency — for live networked performance (SonoBus, Jamulus) and DAW tracking.
• Both MIDI ports by their original names: the control channel used by Zoom’s TAC-2 MixEfx app (gain, +48V, Hi-Z, monitor mix, hardware FX, meters), and the physical 5-pin MIDI IN / OUT jacks.
• An installer / status app: install or update the driver, see the installed and bundled versions, detect the connected interface and its firmware, and get taken to the right System Settings pane for approval.

Apple silicon (M1 or later)macOS 15 Sequoia or laterThunderbolt 3 → 2 adapterZoom TAC-2 / TAC-2R

Download: TAC-2 RP Driver 0.2.2 — released October 5, 2026 (DMG, 1.3 MB, notarized by Apple).
sha256 3407705c1f6283fac7187afffb43d598f6008f986ede5724f275d1ae313a721d

What’s new in 0.2.2 (October 5, 2026):

• Fixes the driver not starting on macOS 15 and on macOS 26 versions before 26.6 — the app showed “TAC-2 connected — driver not attached yet”. Recommended update for everyone.

Also in 0.2.1 (October 4, 2026):

• 0.2.1: new Copy Diagnostics button in the app. If anything doesn’t work, click it and paste the result into a note for RandomPlanet.
• 0.2.1: clearer help for “connected — driver not attached yet”: unplug and replug the interface if it was plugged in before you approved the driver.

Also in 0.2.0 (October 1, 2026):

• Round-trip latency of 3.0 ms at 48 kHz / 32 samples, measured lower than Zoom’s original driver on the same interface (146 vs 170 samples, RTL Utility).
• Proper sleep/wake support: the Mac can sleep with the interface attached, and audio resumes on wake.
• Buffer-size changes between apps are handled without clicks.

Important for 0.1.53 users: 0.1.53 can cause a kernel panic if the Mac sleeps while the interface is attached. Please update to 0.2.2.

Requirements: Apple silicon Mac, macOS 15 Sequoia or later.

Install: open the DMG, drag the app to Applications, launch it and click Install Driver (or Update Driver), then allow “TAC-2 RP Driver” in System Settings → General → Login Items & Extensions, and plug in the TAC-2.

Status: working and in daily use — audio at all sample rates, MIDI control plane, physical MIDI ports, reboot-free updates.

A hub/server-based build of SonoBus for musicians who want to play together over the internet in real time. SonoBus Plus is RandomPlanet’s independent fork of the open-source SonoBus project. Stock SonoBus connects every player to every other player; known as peer-to-peer. SonoBus Plus adds a dedicated hub server so each player sends one stream and receives one mixed-timing feed, and every design decision is judged against one goal: the lowest round-trip latency the network will physically allow.

SonoBus Plus currently runs multitrack streams using 16bit PCM for High Quality and low latency. The Hub server manages each player’s jitter buffers at the hub, measuring every leg’s latency in band, and adapting its buffering live instead of using fixed server settings.

• Hub (star) topology: one connection per player instead of a full mesh, with per-player jitter buffers held at the hub so a lossy WAN link never degrades the other players’ LAN feeds.
• Uncompressed 16-bit PCM end to end at 32-sample blocks. No codec delay, no codec artifacts.
• Clock-drift correction between interfaces that are not word-clocked together, so long sessions stay click-free without a shared clock.
• Adaptive buffering that starts small and grows only when a link proves it needs to, with a hub status panel showing each player’s to-hub and from-hub latency, drops and signal level.

macOS 11 or laterApple silicon and Intel16-bit PCM

Download: SonoBus Plus 1.1.2 for Mac — released October 29, 2026 (disk image, 27 MB, notarized by Apple).
sha256 of this release (build 2026.10.29.1928): 06d83f01ef8bc8ac8eadaf57e08dd4c55ebfdb698de646624532cbd0ff025d1a

Install: open the disk image and drag SonoBus Plus to your Applications folder. Use an Ethernet connection rather than Wi-Fi for the lowest latency.

Status: SonoBus Plus 1.1.2 is released for Mac. Windows and Linux versions are coming soon. Built on SonoBus by Jesse Chappell (Sonosaurus), GPL-3.0.

This is still in private beta testing. If you want access to download the hub server code, contact JB at RandomPlanet for the link.

A virtual audio driver that behaves like a hardware interface’s tie lines: two devices, 30 channels, and no self-echo. BlackHole Studio is RandomPlanet’s build of the open-source BlackHole driver. Stock BlackHole is a single loop — whatever you send to output N comes straight back on input N of the same device. BlackHole Studio instead installs one driver with two devices wired to each other, so a device never hears its own outputs.

• The BlackHole Studio device goes in your DAW’s aggregate device (Logic Pro, Pro Tools, REAPER and others).
• The BlackHole Stage device is for everything else: SonoBus, OBS, a browser, or the Mac’s own sound output and alerts.
• Audio sent to an output of one device arrives on the same-numbered input of the other, in both directions, just like the line-in and line-out jacks of a real interface.
• 30 named channels: BH Mac L/R (Mac system audio into your DAW), BH Talkback, BH Click, BH Aux L/R (a feed for streaming or a recorder), and BH IN / BH OUT 1–24 for anything else. You can rename any channel in Audio MIDI Setup and your DAW and SonoBus will show your names.
• No volume or mute controls to get in the way; the signal passes through untouched.
• Runs on macOS 10.13 High Sierra or later on Intel Macs, and macOS 11 or later on Apple silicon.

macOS 10.13 or laterApple silicon and Intel30 in / 30 outFree · GPL-3.0

Download: BlackHole Studio 1.0.2 — released October 17, 2026 (disk image with a signed installer package, 1.4 MB, notarized by Apple).
sha256 b693fdb4a9f6cd09b6f61f606194971f12fd0b69a60f2c6cf1895a1eb3fb2bec
Source code for this build: BlackHole_Studio_src_1.0.2.tar.gz (sha256 c356668df4a6da029e26e941222b969b33518aabfa03a8be1a63ae50f99c9329)

Install: open the disk image and double-click the BlackHole Studio installer package. It asks for your administrator password and restarts the macOS audio service, so quit audio apps first; installing a newer version over an older one replaces it. Then add “BlackHole Studio” to your aggregate device in Audio MIDI Setup and point SonoBus at “BlackHole Stage”. A README and an uninstaller are in the disk image.

Want your own names on the 30 channels? Scribble Strip I/O renames BlackHole Studio and Stage channels in every app.

Based on BlackHole by Existential Audio Inc., licensed under GPL v3. Modifications by RandomPlanet; the complete source for this build is included in the download and linked above. Not affiliated with or endorsed by Existential Audio Inc.

This utility renames the input and output channels of any audio interface on your Mac. Thus Mac Apps that read I/O labels from coreaudio’s driver details will reflect these names. Scribble Strip I/O is named after the strip of white tape engineers write channel names on at a console. Give each channel a real name on a hardware interface such as a PreSonus Quantum, a virtual device such as BlackHole Studio, or an aggregate device. The names are saved on your Mac and show up in Logic Pro, Pro Tools, SonoBus Plus, Audio MIDI Setup and anything else that lists channels.

• One list for every device, laid out like Audio MIDI Setup: each device with its own icon, Input and Output tabs, and the driver’s original name shown next to each of your custom names.
• Clear a name, or choose Restore Original Names, and the driver’s original comes back. For aggregate devices, each channel is restored from its member device.

On macOS Tahoe, Audio MIDI Setup can rename channels in the app. However, on older macOS versions it can’t. Scribble Strip I/O brings renaming to those versions, and adds restore-to-original, aggregate-aware originals and a single list for every device, which is handy on Tahoe too.

macOS 10.13 High Sierra or laterApple silicon and Intel

Download: Scribble Strip I/O 1.0.3 — released November 1, 2026 (disk image, 5.2 MB, notarized by Apple).
sha256 6cab76d1356ae34d639ae14a7d4a7f2e6fdb658b653b0352ebc2ef311e175506

Install: open the disk image and drag Scribble Strip IO to your Applications folder.

What’s new in 1.0.3: Bug fixes.

Also in 1.0.2: reopens on the monitor it was last on, even if your display arrangement changed. If that monitor isn’t connected, it opens on the main display.

Also in 1.0.1: runs on High Sierra and Mojave; remembers the window size, position and sidebar width.

A simple way to let RandomPlanet help with your Mac remotely: you can always see when support is connected, and you can disconnect with one click. ShareMyScreen is a free Mac app for friends, family and clients of RandomPlanet. Open it when JB at RandomPlanet is helping you with a studio, SonoBus or audio-interface problem. It is for getting help from RandomPlanet; it does not connect you to anyone else.

Setup: Download, open ShareMyScreen, click Share. RandomPlanet approves your Mac once, and after that it just works, even after restarts.

• No pairing code to type. RandomPlanet approves your Mac on our side, once.
• Optional ongoing support. If you choose to turn it on, ShareMyScreen reconnects automatically, including after restarts. It’s your choice, and it’s never switched on for you.
• A “RandomPlanet Support is connected” indicator appears in the menu bar whenever support is connected, with a one-click Disconnect.
• Keeps itself up to date automatically.
• Connects outward, so there is no router setup.

macOS 10.13 or laterApple silicon and Intel

Download ShareMyScreen 4.2.7 for Mac

Version 4.2.7 · 1.8 MB zip · SHA-256 e0296b367cf86e3dd06c7873ce9756d933f36ddb4e85d99ac8ca7cf37060e4c8

Using an older version? Version 3 no longer connects. Download 4.2.7 above; it replaces it.