Hydra
7.3#1 in database query buildersFree planFree planWebAPILinuxSelf-hosted
VisitHydra vs John’s Background Switcher
John’s Background Switcher
6.6#9 in desktop wallpaper software$7.99 one-timeFree planmacOSWindows
VisitWhat both publish
| Fact | Hydra | John’s Background Switcher |
|---|---|---|
| Purpose | Hydra is a continuous integration service for Nix based projects. | The app periodically changes a Windows or Mac desktop background to photos or photo montages. |
Hydra plans
- HydraFree
John’s Background Switcher plans
- WindowsFree
- Mac direct$7.99, paid once
- Mac App Store$8.99, paid once
Pick Hydra if…
Hydra suits Nix and NixOS package developers who need to build and test projects through jobsets. It is not needed by people who only want to use NixOS.
Pick John’s Background Switcher if…
It suits people who want their desktop background to rotate through personal photos or supported online sources. Mac users with multiple monitors can choose how images appear across their displays.