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Android Apps > Libraries & Demo > Free
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The top 20 popular Free Libraries & Demo Apps for Android in Brazil

Check out the top Libraries & Demo Apps which are free to download. We went through all Libraries & Demo Apps for Android on Google Play in September 2025 and picked the best ones for you to download onto your Android phone. This Android app list is sorted by the popularity in Brazil. Last updated on 2025-09-14.
PassportImageDecoder
Michael Roland
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This library can decode various image formats used in electronic machine readable travel documents (eMRTD) / electronic passports (ePassport). This library is used by NFC TagInfo (only available to …
app screenshotapp screenshotapp screenshot
Free
3.0
50,000+ downloads
|
Libraries & Demo
app icon
3.0
Free
Michael Roland
50,000+ downloads
LIBRARIES_DEMO
PassportImageDecoder
This library can decode various image formats used in electronic machine readable travel documents (eMRTD) / electronic…
Augm. Reality for Locus Map
Asamm Software, s. r. o.
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Add-on for Locus Map application that enables visualization of selected points on the device screen with camera view - in augmented reality. Useful during town sightseeing tours, on viewtowers, for g…
app screenshotapp screenshotapp screenshot
Free
4.4
100,000+ downloads
|
Libraries & Demo
app icon
4.4
Free
Asamm Software, s. r. o.
100,000+ downloads
LIBRARIES_DEMO
Augm. Reality for Locus Map
Add-on for Locus Map application that enables visualization of selected points on the device screen with camera view - …
Cardboard
Google LLC
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Cardboard puts virtual reality on your smartphone. The Cardboard app helps you launch your favorite VR experiences, discover new apps, and set up a viewer. To fully enjoy this app you'll need a Car…
app screenshotapp screenshotapp screenshot
Free
3.6
10,000,000+ downloads
|
Libraries & Demo
app icon
3.6
Free
Google LLC
10,000,000+ downloads
LIBRARIES_DEMO
Cardboard
Cardboard puts virtual reality on your smartphone. The Cardboard app helps you launch your favorite VR experiences, dis…
Market Update Helper
Titanium Track
app icon
This app does nothing by itself, and is only useful as a companion to Titanium Backup PRO. If you have it, you can un-install it at any time.
app screenshotapp screenshotapp screenshot
Free
4.4
1,000,000+ downloads
|
Libraries & Demo
app icon
4.4
Free
Titanium Track
1,000,000+ downloads
LIBRARIES_DEMO
Market Update Helper
This app does nothing by itself, and is only useful as a companion to Titanium Backup PRO. If you have it, you can un-i…
OpenCV Image Process
Asogaru Lab
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Check the results of real-time processing of images from a camera using the OpenCV library. Repository URL: https://github.com/momomomo111/camerax_opencv OpenCV official website: https://opencv.org/…
app screenshotapp screenshotapp screenshot
Free
3.7
10,000+ downloads
|
Libraries & Demo
app icon
3.7
Free
Asogaru Lab
10,000+ downloads
LIBRARIES_DEMO
OpenCV Image Process
Check the results of real-time processing of images from a camera using the OpenCV library. Repository URL: https://gi…
VendasExternas-Teste impressão – Click to show
VendasExternas-Teste impressão
VendasExternas - Alkord Sistemas
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Este aplicativo é destinado para testes de impressoras portáteis para serem utilizas em conjunto com o aplicativo de pronta entrega do VendasExternas. Recent changes: Adiciona compatib…
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Free
0.0
500+ downloads
|
Libraries & Demo
app icon
0.0
Free
VendasExternas - Alkord Sistemas
500+ downloads
LIBRARIES_DEMO
VendasExternas-Teste impressão
Este aplicativo é destinado para testes de impressoras portáteis para serem utilizas em conjunto com o ap…
iOPAC
Algorhythms Consultants Pvt Ltd
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iOPAC mobile app enables all library users quick and easy access to the library resources- both conventional and digital. Moreover, it offers personalized services like checking current and previous …
app screenshotapp screenshotapp screenshot
Free
0.0
1,000+ downloads
|
Libraries & Demo
app icon
0.0
Free
Algorhythms Consultants Pvt Ltd
1,000+ downloads
LIBRARIES_DEMO
iOPAC
iOPAC mobile app enables all library users quick and easy access to the library resources- both conventional and digita…
AI Chat Bot Demo
redev.rx
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OpenAI Demo App is a sample app for utilizing the chat_gpt_sdk in Flutter. This app includes examples of the following functionalities: 1.Question and Answer 2.Translate Language 3.Generate image wi…
app screenshotapp screenshotapp screenshot
Free
0.0
100+ downloads
|
Libraries & Demo
app icon
0.0
Free
redev.rx
100+ downloads
LIBRARIES_DEMO
AI Chat Bot Demo
OpenAI Demo App is a sample app for utilizing the chat_gpt_sdk in Flutter. This app includes examples of the following …
Pack ID
OBS SA
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- Le téléphone mobile, porte-identifiant de l'utilisateur Pack ID vous permet de dématérialiser vos badges et cartes dans les smartphones de vos utilisateurs : employ&eac…
app screenshotapp screenshotapp screenshot
Free
0.0
10,000+ downloads
|
Libraries & Demo
app icon
0.0
Free
OBS SA
10,000+ downloads
LIBRARIES_DEMO
Pack ID
- Le téléphone mobile, porte-identifiant de l'utilisateur Pack ID vous permet de dématéria…
Veridas
Veridas
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Welcome to Veridas Demo Center! Download this app and experience first-hand the latest AI-based solutions for digital identity verification that millions of users are enjoying worldwide. Choose bet…
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Free
0.0
1,000+ downloads
|
Libraries & Demo
app icon
0.0
Free
Veridas
1,000+ downloads
LIBRARIES_DEMO
Veridas
Welcome to Veridas Demo Center! Download this app and experience first-hand the latest AI-based solutions for digital i…
MicroTraq app. MicroIQ Prox lo
Triteq Lock and Security, LLC
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Conveniently manage hundreds of locks with the MicroTraq app. Grant permissions to your MicroIQ Prox locks in a way that not only saves time and energy on manual input, but also makes changing permis…
app screenshotapp screenshotapp screenshot
Free
0.0
10+ downloads
|
Libraries & Demo
app icon
0.0
Free
Triteq Lock and Security, LLC
10+ downloads
LIBRARIES_DEMO
MicroTraq app. MicroIQ Prox lo
Conveniently manage hundreds of locks with the MicroTraq app. Grant permissions to your MicroIQ Prox locks in a way tha…
Gradska knjižnica Buzet – Click to show
Gradska knjižnica Buzet
mKnjiznica
app icon
Aplikacija je namijenjena korisnicima Gradske knjižnice Buzet uz pomoć koje korisnici mogu pretražiti e-katalog knjižnice, pregledati kalendar događanja u knjižnici, produžiti posudbu građe, rezervir…
app screenshotapp screenshotapp screenshot
Free
0.0
100+ downloads
|
Libraries & Demo
app icon
0.0
Free
mKnjiznica
100+ downloads
LIBRARIES_DEMO
Gradska knjižnica Buzet
Aplikacija je namijenjena korisnicima Gradske knjižnice Buzet uz pomoć koje korisnici mogu pretražiti e-katalog knjižni…
MESOLIA Application Locataire
MESOLIA HABITAT
app icon
Afin de vous accompagner au mieux dans votre quotidien et de vous apporter des services complémentaires, MESOLIA vous propose son Application Mobile Locataire. Grâce à cette appli…
app screenshotapp screenshotapp screenshot
Free
0.0
10,000+ downloads
|
Libraries & Demo
app icon
0.0
Free
MESOLIA HABITAT
10,000+ downloads
LIBRARIES_DEMO
MESOLIA Application Locataire
Afin de vous accompagner au mieux dans votre quotidien et de vous apporter des services complémentaires, MESOLIA…
Librairie Biblique
Isi d'or
app icon
Librairie Biblique est l'application officielle offrant un accès centralisé à toutes les ressources spirituelles des Assemblées de Dieu du Burkina Faso : ✔ Contenu comple…
app screenshotapp screenshotapp screenshot
Free
0.0
10+ downloads
|
Libraries & Demo
app icon
0.0
Free
Isi d'or
10+ downloads
LIBRARIES_DEMO
Librairie Biblique
Librairie Biblique est l'application officielle offrant un accès centralisé à toutes les ressource…
Raisa Begum Malik
manage.ingdigitals
app icon
AAM Admi Party Naresl Vidha Sabha Pratyashi -Raisa Begum Malik Recent changes: Initial Release
app screenshotapp screenshotapp screenshot
Free
0.0
1+ downloads
|
Libraries & Demo
app icon
0.0
Free
manage.ingdigitals
1+ downloads
LIBRARIES_DEMO
Raisa Begum Malik
AAM Admi Party Naresl Vidha Sabha Pratyashi -Raisa Begum Malik Recent changes: Initial Release
BoofCV Computer Vision
BoofCV
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Demonstration of several computer vision techniques provided by BoofCV 1) Image Processing (blur, edge, binary, enhancement, 360 photo) 2) Segmentation (superpixels, thresholding, color) 3) Detecti…
app screenshotapp screenshotapp screenshot
Free
4.9
10,000+ downloads
|
Libraries & Demo
app icon
4.9
Free
BoofCV
10,000+ downloads
LIBRARIES_DEMO
BoofCV Computer Vision
Demonstration of several computer vision techniques provided by BoofCV 1) Image Processing (blur, edge, binary, enhanc…
EDZ
EDZ spółka z.o.o
app icon
Aplikacja dla kierowcy, zarządzanie zleceniami i zadaniami
app screenshotapp screenshotapp screenshot
Free
0.0
100+ downloads
|
Libraries & Demo
app icon
0.0
Free
EDZ spółka z.o.o
100+ downloads
LIBRARIES_DEMO
EDZ
Aplikacja dla kierowcy, zarządzanie zleceniami i zadaniami
InfoBar for Jetpack Compose
Radu Salagean
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This is a library demo, created for Android app developers. Android Jetpack Compose library for displaying on-screen messages. As opposed to the built-in Snackbar from the Compose Material library, …
app screenshotapp screenshotapp screenshot
Free
0.0
100+ downloads
|
Libraries & Demo
app icon
0.0
Free
Radu Salagean
100+ downloads
LIBRARIES_DEMO
InfoBar for Jetpack Compose
This is a library demo, created for Android app developers. Android Jetpack Compose library for displaying on-screen m…
AlQuran - Read Quran Offline
appsocean8
app icon
Al Quran MP3 - Offline Audio is a premium Quran application for Android, designed to provide a seamless and peaceful Quranic experience. This app allows you to read and listen to the Holy Quran offli…
app screenshotapp screenshotapp screenshot
Free
0.0
100+ downloads
|
Libraries & Demo
app icon
0.0
Free
appsocean8
100+ downloads
LIBRARIES_DEMO
AlQuran - Read Quran Offline
Al Quran MP3 - Offline Audio is a premium Quran application for Android, designed to provide a seamless and peaceful Qu…
bk Plus – Click to show
bk Plus
Digiphysio_
app icon
Die bk Plus App vereinfacht Ihren Zugang zu professionellen Marketing-Services, Shops und Webseiten. Nutzen Sie das Kontaktformular, um direkt mit unserem Team in Kontakt zu treten, oder das Marketin…
app screenshotapp screenshotapp screenshot
Free
0.0
10+ downloads
|
Libraries & Demo
app icon
0.0
Free
Digiphysio_
10+ downloads
LIBRARIES_DEMO
bk Plus
Die bk Plus App vereinfacht Ihren Zugang zu professionellen Marketing-Services, Shops und Webseiten. Nutzen Sie das Kon…
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