Alternatives

Basics

• Microsoft Windows → Linux
• Google Chrome → Mozilla Firefox
• Google Mail → any provider with a business model != we sell your data
• Google Search → maybe DuckDuckGo

Mobile

• Google Android → LineageOS without Google Apps
• Google Play → F-Droid
• Facebook WhatsApp → Signal

Applications

• Google Maps → OpenStreetMap
• Google Drive → NextCloud
• Google Docs → ???
• Google YouTube → PeerTube
• Microsoft GitHub → cgit for personal projects, GitLab for large orgs
• Slack → Mattermost or Rocket.Chat
• Zoom → Jitsi

Your website

• Google Blogger → self-host your own website
• Google AMP / Fonts → just host the files yourself
• Google Analytics → maybe Matamo
• Google reCAPTCHA → anything self-hosted