OnePanel runs all your messaging and web apps in one desktop app for macOS and Windows. Each app gets a fully isolated session — separate cookies & storage, perfect for multiple accounts of the same service — plus native notifications and a 200+ app catalog. Pro (€4.99/mo) unlocks unlimited apps, multiple workspaces, split view up to 5 panes, unified calendar, custom apps by URL, command palette, app lock, auto-sleep RAM optimization and more. Free to try, upgrade when hooked.