Sketch Extensions - An official collection of Sketch extensions & plugins
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Framer Inventory 3 for Sketch - Import states & export prototypes from Sketch to Framer
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Remake - A way to make web apps with just HTML & CSS
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.