Open Source Kotlin Libraries
Sort By:
Kotlin Libraries
View 75 business solutionsBrowse free open source Kotlin Libraries and projects below. Use the toggles on the left to filter open source Kotlin Libraries by OS, license, language, programming language, and project status.
-
$300 Free Credits to Build on Google CloudPut your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
-
Ship Agents FasterGemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
-
1
Hacker Scripts
Based on a true story
Hacker Scripts is a cheeky collection of small automation scripts and language ports collected under the tagline “Based on a true story.” The repository gathers playful utilities (originally shell and Ruby scripts) that automate short, real-world tasks — for example, sending a quick “late at work” text when SSH sessions are active, firing off an automated “I’m sick / working from home” email on certain mornings, or even talking to a networked coffee machine to start brewing at precisely the right moment. The README explains the origin story and highlights several canonical scripts and provides usage notes such as required environment variables and cron examples for scheduling. Contributors have provided implementations and ports in many languages and folders (shell, Ruby, Python, Node, Perl, PowerShell, Go, Java, etc.), and the project explicitly welcomes pull requests that add additional language implementations. -
2
Mtk Easy Su
Get bootless root access with few clicks.
This app set up bootless super user access, with Magisk and Mtk-su, on MediaTek Android devices. To facilitate those wishing to use the security breach Mtk-su by Diplomatic. If you are a more advanced user. I recommend using the mtk-su tool from the terminal, you will have more possibilities and control over the process. -
3
Rekado
Payload launcher and serial number checker for Nintendo Switch
Payload launcher is written in Kotlin for Nintendo Switch. The application doesn't require Root on your device. -
4
Gramophone
A sane music player built with media3 and material design library
A sane media3-based Material3 music player that follows Android standards. Gramophone is a sane music player built with media3 and a material design library that follows android's standards strictly. -
Demo Series - Small Business Backup By VeeamWatch this on-demand demo series and learn how to protect your Microsoft 365 data with clear, simple, actionable steps that are easy to implement for businesses of all sizes.
-
5
kotlinx-io
Kotlin multiplatform I/O library
A multiplatform Kotlin library providing basic IO primitives. kotlinx-io is based on Okio but does not preserve backward compatibility with it. Buffer works like a queue, allowing to read data from its head or to write data to its tail. Buffer provides functions to read and write data of different built-in types, and to copy data to or from other Buffers. Depending on the target platform, extension functions allowing data exchange with platform-specific types are also available. A Buffer consists of segments organized as a linked list: segments allow reducing memory allocations during the buffer's expansion and copy, with the latter achieved by delegating or sharing the ownership over the underlying buffer's segments with other buffers. -
6
Pinview
A pinview library for Android
Pinview library for Android. -
7
MaterialDrawer
Drawer library for your Android project
The flexible, easy to use, all in one drawer library for your Android project. Does your application contain a Drawer? Do you want to have it up and running in less than 5 minutes? Do you want your drawer to follow the Android Design Guidelines? Do you have profiles? Do you need flexibility? Is Google’s navigation Drawer of the design support not enough for you? Do you want a simple and easy to understand api? Never waste your time again. It provides you with the easiest possible implementation of a navigation drawer for your application. There is a Header with profiles (AccountHeader), a MiniDrawer for Tablets (like Gmail), provide custom DrawerItems, custom colors, custom themes. No limits for customizations. Comes with various themes which help to get your own themes clean. Comes with multiple default drawer items. -
8
Image Picker Library for Android
Image Picker for Android, Pick an image from Gallery
Easy to use and configurable library to Pick an image from the Gallery or Capture an image using a Camera. It also allows to Crop and Compress the Image based on Aspect Ratio, Resolution, and Image Size. Almost 90% of the apps that I have developed have an Image upload feature. Along with the image selection, Sometimes I needed a crop feature for my profile image for that I've used uCrop. Most of the time I need to compress the image as the image captured from the camera is more than 5-10 MBs and sometimes we have a requirement to upload images with specific resolution/size, in that case, image compression is the way to go option. To simplify the image pick/capture option I have created the ImagePicker library. I hope it will be useful to all. -
9
MRepo
A Modules Manager for Magisk & KernelSU
MRepo (short for My Repository or Modules Repository) is an Android app that helps manage your own modules repository. -
Train ML Models With SQL You Already KnowBuild and deploy ML models using familiar SQL. Automate data prep with built-in Gemini. Query 1 TB and store 10 GB free monthly.
-
10
Android Contacts, Reborn
Android Contacts API Library written in Kotlin
This library provides a complete set of APIs to do everything you need with Contacts in Android. You no longer have to deal with the Contacts Provider, database operations, and cursors. Whether you just need to get all or some Contacts for a small part of your app (written in Kotlin or Java), or you are looking to create your own full-fledged Contacts app with the same capabilities as the AOSP Android Contacts app and Google Contacts app, this library is for you. -
11
Gitnuro
A FOSS Git multiplatform client for newbies and pros
A FOSS Git client based on (Jetbrains) Compose and JGit. The main goal of Gitnuro is to provide a multiplatform open-source Git client without any kind of constraint to how you can use it or rely on web technologies. -
12
kaml
YAML support for kotlinx.serialization
This library adds YAML support to Kotlinx serialization. Currently, only Kotlin/JVM is fully supported. Kotlin/JS support is considered highly experimental. It is not yet fully functional and may be removed or modified at any time. -
13
my-tv-0
My TV·〇 TV video playback device can customize the TV source
my-tv-0 is an open-source television streaming application that allows users to play video content from customizable sources, offering a flexible alternative to traditional IPTV solutions. The software supports multiple configuration formats, enabling users to define their own channel lists and video streams using files such as M3U, JSON, or TXT. It is designed to run on Android-based devices, including TV boxes and smart TVs, providing a simple interface for browsing and switching between channels. The application emphasizes user control, allowing remote configuration through QR codes or local network endpoints, which simplifies setup and management. It also includes features such as favorites, channel grouping, and automatic updates of video sources upon startup. The system supports local and remote video sources, making it adaptable for both personal media libraries and live streaming setups. -
14
Kotlin Wrappers
Kotlin wrappers for popular JavaScript libraries
This repository hosts a number of Kotlin wrappers for popular JavaScript libraries. To learn more please refer to the READMEs of individual modules. Artifacts are published to Maven Central, see the corresponding README files for package coordinates. All packages require JDK 8 to be installed. -
15
MyBatis Dynamic SQL
SQL DSL (Domain Specific Language) for Kotlin and Java
This library is a general-purpose SQL generator. Think of it as a typesafe and expressive SQL DSL (domain-specific language), with support for rendering SQL formatted properly for MyBatis3 and Spring's NamedParameterJDBCTemplate. The library also contains extensions for Kotlin that enable an idiomatic Kotlin DSL for SQL. The library will generate full DELETE, INSERT, SELECT, and UPDATE statements. The DSL implemented by the library is very similar to native SQL but it includes many functions that allow for very dynamic SQL statements. -
16
Okio
A modern I/O library for Android, Java, and Kotlin Multiplatform
Okio is a low-level I/O library created by Square for Java and Kotlin that simplifies and optimizes data access. It provides a modern alternative to Java’s InputStream and OutputStream, enabling efficient, buffered, and chainable data handling. Okio is used in many high-performance networking and serialization libraries, including OkHttp. -
17
PhotoEditor
A Photo Editor library with simple, easy support for image editing
A Photo Editor library with simple, easy support for image editing using Paints, Text, Filters, Emoji and Sticker like stories. Drawing on the image with the option to change its Brush's Color, Size, Opacity, Erasing and basic shapes. Apply Filter Effect on the image using MediaEffect. Adding/Editing Text with the option to change its Color with Custom Fonts. Adding Emoji with Custom Emoji Fonts. Adding Images/Stickers. Pinch to Scale and Rotate views. Undo and Redo for Brush and Views. Deleting Views. Saving Photo after editing. More FAQ. PhotoEditor v.1.0.0 is a migration to androidX and dropping the support of the older support library. There are no API changes. If you find any issues migrating to v.1.0.0, please follow this Guide. If you still facing the issue then you can always rollback to v.0.4.0. -
18
Scrimage
JVM - Java, Kotlin, Scala image processing library
Scrimage is an immutable, functional, and performant JVM library for the manipulation of images. The aim of this library is to provide a simple and concise way to do common image operations, such as resizing to fit a required width and height, converting between formats, applying filters, and so on. It is easy to use from any language on the JVM. A typical use case for this library would be creating thumbnails of images uploaded by users in a web app, bounding a set of product images so that they all have the same dimensions, optimizing PNG uploads by users to apply maximum compression, or applying a grayscale filter in a print application. -
19
AAA
Curated list of the best FOSS Android apps to maximize your freedom
This is a list of the best FOSS apps according to us. You can prove us wrong on the contributing page. -
20
Aesthetic Dialogs for Android
An Android Library for custom Dialogs
AestheticDialogs is a library that provides beautiful and custom Dialog inspired by Laravel Notify. -
21
AlphabetIndex Fast Scroll RecyclerView
Powerful AlphabetIndex FastScroller Library for Android's RecyclerView
A Powerful AlphabetIndex FastScroller for Android's RecyclerView. -
22
Calf
Calf is a library that allows you to easily create adaptive UIs
Calf is a library that allows you to easily create adaptive UIs for your Compose Multiplatform apps. -
23
DbInspector
Android library for viewing, editing and sharing in app databases.
Android library for viewing, editing and sharing in-app databases. DbInspector provides a simple way to view the contents of the in-app database for debugging purposes. There is no need to pull the database from a connected device. This library supports inspecting of the SQLite databases created by CouchBase Lite out of the box. Preview all application sandbox databases. Import single or multiple databases at once. Search, delete, rename, copy, share a database. Preview tables, views, and triggers. Preview table or view pragma. Preview table or view pragma. Search table, view or trigger. Sort table, view or trigger per column. Execute any valid SQL command in editor per database connection. If you use DbInspector for a specific flavor and need to override merged in launcher label, you can provide a String resource in your project. DbInspector has a build in editor scoped per database connection currently used. -
24
LibChecker
An app to view libraries used in apps in your device
This app is used to view the third-party libraries used by applications in your device. It can view the ABI architecture of the application's native library (in general, whether the application is 64-bit or 32-bit). It can also view well-known libraries marked by The Rule Repository, and can even sort and view them according to the number of libraries references. -
25
Linux Command Library (Mobile+CLI+Web)
1M downloads Linux reference app with basics, tips and formatted pages
The app currently has 5547 manual pages, 22+ basic categories and a bunch of general terminal tips. It works 100% offline, doesn't need an internet connection and has no tracking software.