InfluxData - Scalable datastore for metrics, events, and real-time analytics.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
KX - Kx Systems has a high-performance vector database, kdb+, with a built-in programming language, q, that sets the standard for time-series analytics.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Spotify Heroic - Heroic time series database.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.