It’s been a big year in Seattle tech so far, with a fresh crop of startups leveraging artificial intelligence, big data, breakthrough security strategies and more to transform industries of all stripes. This is our list of 50 startups who show enough promise — through transformative technology, brilliant ideas or seasoned founders — to warrant keeping an eye on into 2019.

Before we plunge headlong into the silly season, let’s take a moment to look back on Seattle tech’s five largest funding rounds in November.

Here are four Seattle-based tech companies making scheduling their full-time job.