What to do if the Mac says "unidentified developer"
That's normal — it only means the file has no Apple certificate, not that
anything is wrong. To open it anyway:
- Double-click the installer and let it get blocked.
- Open System Settings → Privacy & Security.
- Scroll to Security, find the blocked installer, click Open Anyway.
- Double-click it again and choose Open.
Every download also includes a plain-English
READ ME FIRST guide.
Mac desktop widgets
These run in Übersicht; the installer sets that up for you if you don't have it.
Radio
Live radio streams, grouped by genre, right on your desktop.
download ↓
Sky & Tidesv1.7
Date, sun and moon, a live day-night Earth, global tides and a solar-system orrery.
download ↓
Fireplace Video
Loops a cosy fireplace video for ambience while you work.
download ↓
FT Front Page
A subscription is required
download ↓
Mac apps
Felix1.6.0
Photo/media manager and photo editor - a bairn media / bairn industries collaboration
Updated 19 July 2026 — current version 1.6.0. If you installed an earlier version, use the download link to update.
Backing up your library now shows live progress instead of appearing to freeze, and the appearance setting can follow your Mac's light/dark mode.
past versions →
download ↓