There are 3 repositories under baksmali topic.
A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)
Tools to work with android .dex and java .class files
Application integrated editing apk
This tool converts java code to smali
This repo is for beginners in reverse engineering (Android), who keep wondering about everything inside smali.
Cross-platform IDE for Reverse-engineering Android applications
A simple Android application deodexer for Linux & macOS
Reverse engineer: Download effects and extract all arfx links from Instagram on Android
A simple example source codes of an initial android app cloner