Indy - Indy helps you manage your freelance business.
Storez - Sell digital products with PayPal
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Teachify - Build & manage your digital products, and sell anywhere.
Bonsai - One platform to streamline your entire business
Gumroad - An all-in-one solution to sell your work and grow your audience.