For my one-woman-band projects I use:

Github for repos and static hosting Gandhi for domains S3 & Cloudfront for assets Fortrabbit or Digital Ocean also for hosting Runway for ML and hosted models Algolia for search Snipcart and Stripe for payments Trello for project management Whereby for client video calls Twilio for a phone number Google suite generally for admin and presentations etc Typeform for forms Waveapps for accounting