Squarespace is the all-in-one solution for anyone looking to create a website. Domains, eCommerce, hosting, galleries, analytics, and 24/7 support are all included.squarespace.com
Buffer can help you manage your social media presence, by planning out and publishing your posts, and analyzing the backend data.
The HubSpot free CRM is free and intuitive. They offer a startup program for discounted rates, if your needs marketing needs exceed their free tier.