Niagara Launcher is described as 'gives your phone a whole new look and offers a minimalistic experience to help you to form a healthy relationship with your phone. You also get to experience the latest and greatest features of Android 10, including smart replies and dark mode' and is a Application Launcher in the OS & Utilities category. There are more than 50 alternatives to Niagara Launcher for Android, Android Tablet, F-Droid, Kindle Fire and Android SDK. The best alternative is Nova Launcher, which is free. Other great apps like Niagara Launcher are Lawnchair (Free, Open Source), KISS Launcher (Free, Open Source), Trebuchet (Free, Open Source) and Microsoft Launcher (Free).
Lawnchair is a free, open-source home app for Android. Taking Launcher3 — Android’s default home app — as a starting point, it ports Pixel Launcher features and introduces rich options for customization.
Omega Launcher is a fork of the well-known Lawnchair launcher – a feature-rich and comfortable lawn chair for your Android device. It is highly configurable, and offers you a lot of functionality. Some example features include: