I saw a few people on my blogroll do this; it looked fun, and so here we are.
📨 Mail Client: Thunderbird, K-9 Mail
📮 Mail Server: Google, Protonmail
📝 Notes: Standard Notes, Obsidian
✅ To-Do: Standard Notes, Taskwarrior
📷 Photo Shooting: My phone
🎨 Photo Editing: Simple Gallery
📆 Calendar: Pen & paper (I have a paper agenda)
📁 Cloud File Storage: Does Syncthing count?
📖 RSS: Newsboat
🙍🏻♂️ Contacts: Simple Contacts
🌐 Browser: Firefox on all devices
💬 Chat: HexChat, Signal
🔖 Bookmarks: Firefox
📑 Read It Later: N/A, I just hoard open tabs; if I don’t read it in a week, I discard it
📜 Word Processing: LibreOffice Writer; if it counts, LaTeX
📈 Spreadsheets: LibreOffice Calc
📊 Presentations: Google Slides
🛒 Shopping Lists: Standard Notes
🍴 Meal Planning: N/A, pen & paper for special occasions
💰 Budgeting and Personal Finance: Hledger
📰 News: The Economist, The New York Times
🎵 Music: YouTube, Bandcamp
🎤 Podcasts: N/A
🔐 Password Management: KeePass
🧑💻 Code Editor: Vim
✈️ VPN: N/A