• Reeder (RSS)
• Affinity suite (Adobe alternative)
• Ivory (Mastodon client)
• Homebrew (package manager)
• OpenEmu (Emulation platform)
• Voyager as a PWA (Lemmy app)
• CotEditor (Nice lightweight text editor)
• Infuse (Native front end to plex/jellyfin or just SMB)
• IINA (like VLC but a much nicer native interface)
• Transmission (bit torrent)

There are others but these will the most applicable to most people.