TLauncher is a free and open-source application for Windows that allows users to launch and manage multiple Minecraft instances. The application was created by developers at CurseForge, and is currently in beta.

MCPE Master

This app is one of the most popular alternatives to TLauncher and offers a great way to manage your Minecraft Pocket Edition game. There are many features included such as add-ons, skins, mods, and servers. MCPE Master is another custom launcher for Minecraft PE. It includes features such as mod and texture pack support, as well as a game manager that lets you tweak game settings and install Add-Ons.

AppToko

AppToko is a great alternative to TLauncher. It offers a wide range of Android apps and games, both paid and free. AppToko also has a clean and user-friendly interface.

BlockLauncher

BlockLauncher is a custom Minecraft PE launcher that allows you to install texture packs, mods, and Add-Ons. It also allows you to tweak the game's settings, such as the field of view and the renderer.

Docky

Docky is a free dock for Linux. It is simple, efficient, and customizable. You can add your own custom shortcuts, and organize them into categories. Docky is available in both 32-bit and 64-bit versions.