Yesterday, 14 Feb, .NET celebrated its birthday completing 20 years in the industry. A fantastic product to work with and an amazing community to engage with. Available to run on various form factors ranging from most-used ones (such as desktop, mobile, tablet, wearable) to IoT, HoloLens, Dual-screen devices.
Rightly tagged as Free. Cross-platform. Open-source. A developer platform for building all your apps.