Equinox

Equinox lets macOS users generate custom dynamic wallpapers without cost. It supports the Dynamic Desktop and Light/Dark Desktop formats introduced in macOS Mojave, allowing a background to change automatically throughout the day. Users can choose from three creation modes: Solar, which varies the image based on the sun’s position at a selected location; Time, which follows a user‑defined schedule; and Appearance, which switches between separate light‑mode and dark‑mode images according to the system theme.

The interface provides a simple workflow: select a location for solar calculations, drag and drop source images, and configure timing or appearance parameters. Once a wallpaper is built, it can be applied directly to the desktop and saved locally for later use or sharing. All calculations and settings are performed within the app, eliminating the need for external tools.

Equinox is a free, open‑source project targeting macOS productivity enthusiasts who want personalized, automatically updating desktop backgrounds. It runs on stable macOS releases, requires no ads or paid tiers, and is distributed via GitHub.