Trebuchet is described as 'launcher is an AOSP (Android Open Source Project) based launcher developed by LineageOS team' and is a application launcher in the os & utilities category. There are more than 50 alternatives to Trebuchet for Android, Android Tablet, F-Droid and Kindle Fire. The best alternative is Nova Launcher, which is free. Other great apps like Trebuchet are Lawnchair, KISS Launcher, Microsoft Launcher and Smart Launcher.
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: