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95 Best Android Free and Open Source Tools Apps You Should Know 2021

PostedAt: Thu, Mar 18, 2021 8:33 PM

This is a collection of 95 best Android Free Tools Apps which are also open source. Try These Open Source Tools Apps for your study purpose. This is a list of Promisable android open source projects from various sources. including GitHub,f-droid. These open-source android apps run on only Android platforms which meets guidelines for free software and open-source software.

As an open-source android apps project, the Android open source project goal is to avoid any central point of failure in which one industry player can restrict or control the innovations of any other player. To that end, Android is a full, production-quality operating system for every developer. these are the best open source apps for Android

Here are 95 Best open-source Android Tools apps with source code.

The open-source community is always an opportunity for upcoming developers to learn software development. Because a source code for android open source apps is always available for the public and developers can utilize it to understand the working and coding from its scratch. In short, open-source projects are learning curves for newbie developers.

Open-source Android apps help emerging Android developers to learn the coding structure of fully working Android apps. They can even alter these codes and modify the same Android open-source apps. If you are an experienced Android developer, you can contribute new features and functionalities to these open-source android open source projects and help the project to grow on.

95 Best Android Free and Open Source Tools Apps You Should Know 2021

A

App Name Describe Language Download
AcDisplay AcDisplay is a new way of handling notifications in Android. Java Get it on Google Play
AFWall+ (Android Firewall +) AFWall+ (Android Firewall +) - IPTables based firewall for Android Java Get it on Google Play
AppOpsX AppOpsX is a front-end application for the Android AppOpsService. It allows you to restrict app permissions. Java Get it on Google Play
AIMSICD AIMSICD against IMSI-Catchers, StingRay and Silent SMS! Java Get it on Third-Party
AnExplorer AnExplorer File Manager. Java Get it on Google Play
AmazeFileManager Amaze File Manager. Java Get it on Google Play
AnotherMonitor Monitors and records the CPU and memory usage of Android devices Java Get it on Google Play
Andlytics Google Play - Android Market statistics app Java Get it on Google Play

B

App Name Describe Language Download
BinaryEye BinaryEye is a barcode scanner for Android. It is well polished, ad free, with no IAP. Java Get it on Google Play
Bitocle for GitHub Bitocle is a simple android app which allows you to view your source code in GitHub. Java  
BetterBatteryStats An attempt to provide advanced battery stats for Android Java Get it on Google Play
Beta Updater for WhatsApp An app to update WhatsApp to the latest beta version available on Android Java Get it on Third-Party

C

App Name Describe Language Download
Camera Color Picker A simple tool that uses the device's camera to capture, in real time, colors around you. Java Get it on Google Play
Clean Status Bar Tidy up your Android status bar before taking screenshots for the Play Store Java  
Clip-Stack An Android clipboard history manager app with Material Design. Java Get it on Google Play
Content Provider Helper Android app that helps developers to discover and query content providers. Java available on F-Droid app store
ConnectBot The first SSH client for Android. Java Get it on Google Play
Cryptomator Multi-platform transparent client-side encryption of your files in the cloud. Kotlin/Java Get it on Google Play

D

App Name Describe Language Download
DashClock Widget Lock screen widget for Android 4.2+ Java Get it on Google Play
DesignOverlay Android app which displays design image with grid lines to facilitate the tedious design implementation process Java Get it on Google Play
Developer Toolbelt - Fill RAM On-device low-memory testing for Android Java Get it on Google Play
Device Control Device Control is an app to control several features of your device as well as some nice extra features Java  
Droid Watcher Android remote control application with rich functionality Java  
DuckDuckGo DuckDuckGo Search and Stories official application Java Get it on Google Play

F

App Name Describe Language Download
Firefox Firefox Browser for Android. Java Get it on Google Play
Flock Private contact and calendar sync for Android. Flock Java  
FBReaderJ Is a free (and ad-free) multi-platform ebook reader.Supports popular ebook formats: ePub, fb2, mobi, rtf, html, plain text, and a lot of other formats Java Get it on Google Play
Forecastie A simple weather app that gathers data from OpenWeatherMap, via their public API. Java Get it on Google Play
Full Battery Alarm An app to ring an alarm when battery gets fully charged Kotlin Get it on Google Play

G

App Name Describe Language Download
GfyCat Android application that loads gifs via gfycat for efficiency's sake Java Get it on Third-Party
GitFox Client to manage GitLab projects. Clean Architecture implementation Kotlin Get it on Google Play
GitHub Status Simple app to connect to Github's status API Java  
GridWichterle This app will show grid overlay over whole system which helps you to verify your excellent app design. Java  
Good Weather Open source weather app for Andorid Java  

H

App Name Describe Language Download
Hash Checker Fast and simple application for generating and comparison hashes from files or text Java Get it on Google Play

I

App Name Describe Language Download
Intent Intercept This app attempts to intercept as many intents as possible in order to examine their contents. This helps when trying to develop an app that reacts to a particular intent. Java Get it on Google Play available on F-Droid app store
Install Referrer Test the referrer attribute on the Google Play Store Java Get it on Google Play

J

App Name Describe Language Download
JianShi A beautiful app 简诗 for recording anything in your life with traditional Chinese style. Java Get it on Third-Party

K

App Name Describe Language Download
KDEConnect KDE Connect is a multi-platform app that allows your devices to communicate (eg: your phone and your computer). Java Get it on Google Play

L

App Name Describe Language Download
LibreTorrent LibreTorrent is an ad-free, open-source, Material Design torrent client with IP filtering, Tor support, proxy support, automatic file moving, sequential downloading, and the ability to select files for download. Java Get it on Google Play
LittleFreshWeather 这是一款简洁的天气预报app--清新小天气,它能够支持国内绝大多数城市,提供包含实时天气、七天预报、实时气象信息及生活指数等预报信息,动画展示天气状况。 Java Get it on Third-Party
lmgtfyGen lmgtfyGen is an app that allows the creation of lmgtfy urls with an embedded url shortener to hide the LMGTFY url.    
LeafPic An ad-free, open-source and material-designed android gallery alternative Kotlin  

M

App Name Describe Language Download
Material Design Color Palette This is a dev tool to visualize the colours of Material design defined on Color Palette Java Get it on Google Play
Materialize Materialize all those not material Materialize Java  
MultiROM Manager MultiROM Manager - android app for MultiROM mod Java  
MLManager Modern, easy and customizable app manager for Android Java Get it on Google Play
Material Color Picker A simple, minimalistic and beautiful color picker for Android 4.1+ (Jellybean+) devices Java  
Moticons A simple, easy and modern app to manage and use Japanese Emoticons with Material Design Java Get it on Google Play
MDX - Material Design Explorer An app for developers and designers to explore material design color palette and icons easily Java  
MGit A Git client for Android Java Get it on Google Play

N

App Name Describe Language Download
Net Guard No root Android firewall Java Get it on Google Play
Nevolution Evolve the Android notification experience of existing apps, with community-driven plug-ins. Java  
Notification Analyser An Android application to analyse your notification history. Java  
Ninja A web browser that open links in background without ever leaving your favorite apps. Java Get it on Third-Party

O

App Name Describe Language Download
OS Monitor Android OS Monitor Java  
owncloud The ownCloud Android App. Java Get it on Google Play
Omni-notes Open source note-taking application for Android. Java  

P

App Name Describe Language Download
Permission Nanny Permission Nanny is an application that can access resources which are protected by permissions on your behalf, so that your application does not need to declare permission usage in your AndroidManifest.xml. With Permission Nanny, it is possible for your application to not require any permissions at all, yet still be able to access permission-protected resources. Java Get it on Google Play
photo-affix Stitch your photos together vertically or horizontally without even trying! PhotoAffix Java Get it on Google Play
Prey Anti Theft Android client for the Prey anti-theft software. Anti-Theft Java Get it on Google Play
Preferences Manager View and edit application's preferences Java Get it on Google Play
PokePortal Map application of PokeStops and Gyms of "Pokémon GO" Kotlin  

R

App Name Describe Language Download
RxWeather Weather app with architecting Android with RxJava Java  
Red Moon A feature rich screen filter app Java Get it on Google Play

S

App Name Describe Language Download
SeeWeather RxAndroidRetrofit,Glide and Matrial Design Weather App Java Get it on Third-Party
Super Clean Master CleanMaster open source clone Java  
S Tools+ Keep track of your CPU and Sensors alongwith useful features like Color Picker,Compass and device information Java Get it on Google Play
StockTicker A resizable stock ticker widget for your android home screen Java Get it on Google Play
Secret Codes Explore and test your device secret codes Java Get it on Google Play
Shadowsocks A secure socks5 proxy. Surf the internet privately and securely. Java Get it on Google Play
Simple Calculator A Calculator with the basic functions and a customizable widget Kotlin Get it on Google Play
Simple Calendar A Calendar with a customizable widget Java Get it on Google Play
Simple Camera A front/rear camera with a flash Java Get it on Google Play
Simple Draw A simple canvas you can draw on Java Get it on Google Play
Simple File Manager A simple file manager for browsing the storage Java Get it on Google Play
Simple Flashlight Well, a simple flashlight Java Get it on Google Play
Simple Notes A simple textfield for simple notes with a widget Java Get it on Google Play
SoundRecorder A simple sound recording app implementing Material Design Java Get it on Google Play
Status A no-root status bar replacement for Android. Java Get it on Google Play
Student Attendance Check Student attendance monitoring system. Java  

T

App Name Describe Language Download
Talalarmo Alarm Clock Android alarm clock Java Get it on Google Play
Telecine Record full-resolution video on your Android devices. Java Get it on Google Play
Terminal Emulator for Android A VT-100 terminal emulator for the Android OS Java Get it on Google Play
Termux Termux is an Android terminal application and Linux environment. Java Get it on Google Play
ToGoZip Add To Zip" for android's share/send menu. Java available on F-Droid app store
ToolWizAppLock Smart App Lock for Android Toolwiz AppLock Java Get it on Google Play
TranslateApp A translations app without interruptions Java  
translate-bubble-android Translations without interruptions Scala  
Travis Client Android client for Travis CI Java  

U

App Name Describe Language Download
UPnP Browser Simple UPnP Browser with Material style Java Get it on Google Play
UrlScheme Interceptor Intercept and debug url scheme on Android Java Get it on Google Play

W

App Name Describe Language Download
WiFiKeyShare Share Wi-Fi passwords with QR codes and NFC tags Java Get it on Google Play

X

App Name Describe Language Download
Xsocks A secure and fast proxy for protect your network traffic C Get it on Third-Party

Z

App Name Describe Language Download
zxing Official ZXing ("Zebra Crossing") project home Java Get it on Google Play

Trying to put together a list of the best open source android apps is like trying to list your favorite flavors of ice cream. There are just too many that are too good to pick. But we think these free android source code will help you fir your development purpose.

Open source Android apps not only provide a great chance of embracing and learning about technology, but it can also please the geek in you who might enjoy DIY solutions. open source android apps github inspire the community to actually not develop for financial reward but for the passion of developing and the foresight for a brighter technologically-advanced future. So whether it for the purpose of learning, or taking a break from the vicious ads network tracking your internet usage throughout, you can rely on the best open source android apps to help you. Do you think we can include some other open source apps for Android in this list? Let us know in the comments below

if we didn’t list it! We also have links for all of the free android source code at the very end of the article. You can also find a ton of other excellent open-source apps on F-Droid, although that will require downloading and installing a completely third-party app store. Thankfully, F-Droid is excellent. What do you think the best open-source Android tools apps is? Let us know in the comments!

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