- https://undraw.co : Open-source illustrations for every project you can imagine and create.
- https://icons8.com/ouch : Free Vector Illustrations.
- https://www.autotracer.org/ : Converts your raster images to vector graphics.
- https://www.vectorizer.io : Convert raster images like PNGs, BMPs and JPEGs to scalable vector graphics (SVG).
- https://svg2vector.com/ : SVG to Vector Drawable.
- https://www.img-bak.in/ : Image baker is a tool to generate iOS and Android assets. You will get the optimized images in all sizes you need including xxhdpi, xhdpi, hdpi, mdpi, ldpi drawables.
- https://iconsvg.xyz/ : ICONSVG is a tool to simplify the process of finding and generating common icons for your project.
- http://www.jsonschema2pojo.org/ : Generate Plain Old Java Objects from JSON or JSON-Schema.
- https://www.json2kotlin.com : Online JSON to Kotlin Data Class Generator.
- http://shapes.softartstudio.com/ : Android Shapes Generator.
- https://romannurik.github.io/AndroidAssetStudio/ : Android Asset Studio.
- http://www.xmltojava.com/ : This service provides an automatic conversion of Android XML codes (tags and Attributes) to equivalent Android Java methods.
- https://hateum.github.io/AndroidDrawableGenerator/ : Android Drawble Generator.
- https://github.com/ImaginativeShohag/Oops-No-Internet : Oops! No Internet! No internet dialog and snackbar for rescue!
- https://github.com/ImaginativeShohag/Why-Not-Image-Carousel : Why Not use Image Carousel if you have lots of images to show!
- https://github.com/wasabeef/awesome-android-ui : A curated list of awesome Android UI/UX libraries.
- https://github.com/facebook/network-connection-class : Network Connection Class is an Android library that allows you to figure out the quality of the current user's internet connection.
- https://github.com/orhanobut/logger : Simple, pretty and powerful logger for android .
- https://github.com/Yalantis/uCrop : Image Cropping Library for Android.
- https://github.com/esafirm/android-image-picker : A simple library to select images from the gallery and camera.
- https://github.com/intuit/sdp : SDP - Scalable dp.
- https://github.com/intuit/ssp : SSP - Sacable sp.
- https://github.com/hdodenhof/CircleImageView : A circular ImageView for Android
- https://github.com/PhilJay/MPAndroidChart : A powerful rocket Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, dragging and animations.
- https://github.com/afollestad/material-dialogs : A beautiful, fluid, and extensible dialogs API for Kotlin & Android.
- https://github.com/Karumi/Dexter : Android library that simplifies the process of requesting permissions at runtime.
- https://github.com/Fondesa/KPermissions : A Kotlin library that helps to request runtime permissions in Android.
- https://github.com/greenrobot/EventBus : Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.
- https://github.com/javiersantos/AppUpdater : A library that checks for your apps' updates on Google Play, GitHub, Amazon, F-Droid or your own server.
- https://github.com/hani-momanii/SuperNova-Emoji : library to implement and render emojis For Android.
- https://github.com/leolin310148/ShortcutBadger : An Android library supports badge notification like iOS in Samsung, LG, Sony and HTC launchers.
- https://github.com/ybq/Android-SpinKit : Android loading animations.
- https://github.com/JakeWharton/timber : A logger with a small, extensible API which provides utility on top of Android's normal Log class.
- https://github.com/zetbaitsu/Compressor : Compressor is a lightweight and powerful android image compression library.
- https://github.com/chrisbanes/accompanist : Accompanist is a group of libraries that contains some utilities which I've found myself copying around projects which use Jetpack Compose.
- JSON To Kotlin Class : https://plugins.jetbrains.com/plugin/9960-json-to-kotlin-class-jsontokotlinclass-