Open a predefined set of apps on niri workspaces in one step.
Limit niri only.
2 open-source tools on osfeed do this, in 2 ways. Each entry says how, and where it falls short. Read the tool's page before you rely on it.
Limit niri only.
Get notified when a tool adds, fixes or changes a way to workspace layout, including tools added to osfeed later.