Apple Mail (macOS)β β β β βNo-nonsense but full-featured email application for macOS that works well with multiple IMAP accounts and Gmail.
BBEditβ β β β β Text editor for macOS thatβs powerful enough to handle multi-megabyte files and still light enough to jot down notes.
Fluent Readerβ β β ββA simple, no-nonsense, modern-looking RSS/Atom newsfeed reader for Windows, Mac and Linux. Optionally sync with multiple services, but Iβve had issues with Nextcloud.
Jellyfinβ β β β β Great for playing music across my local network, doesnβt phone home to a cloud or try to upsell subscriptions.
KeePass Password Managersβ β β β β KeePassXC, its browser extension, and KeePass2Android are a nice, clean set of apps to manage your passwords on your OWN desktop and mobile devices, auto-fill websites and apps, and sync over your own server or cloud provider.
Manyverseβ β β β βTakes the pain out of setting up and running SSB. Unfortunately it doesnβt overcome SSBβs inherent challenges of discovery, data size or multiple devices. (So far?)
NetNewsWireβ β β β β Clean, stable, fast, free, no-clutter and no-nonsense RSS/Atom newsfeed reader for macOS and iOS.
RSS Guardβ β β β βA solid cross-platform feed reader that runs on Windows, Mac and Linux. Extremely capable and customizable. Syncs with multiple services.
Thunderbird (Email and Calendar)β β β β β Stable, capable desktop email application, works well with multiple accounts including Gmail, Nextcloud, easy to set up and use but with advanced settings when you need them. FLOSS.
Wine and Crossoverβ β β β βTHE major compatibility tool for Windows apps on Linux or macOS, including SteamOS. And a commercial distribution with installers and support.