freeCodeCamp
freeCodeCamp's open-source mobile app
freeCodeCamp.org is an online learning platform offering a comprehensive curriculum in web development and machine learning. The curriculum is self-paced and available free of charge. The App includes challenges, tutorials, Code Radio, and podcasts.
Contribute to freeCodeCamp: https://contribute.freecodecamp.org/
Download: https://play.google.com/store/apps/details?id=org.freecodecamp
Source code: https://github.com/freeCodeCamp/mobile
#Education
@foss_Android
freeCodeCamp's open-source mobile app
freeCodeCamp.org is an online learning platform offering a comprehensive curriculum in web development and machine learning. The curriculum is self-paced and available free of charge. The App includes challenges, tutorials, Code Radio, and podcasts.
Contribute to freeCodeCamp: https://contribute.freecodecamp.org/
Download: https://play.google.com/store/apps/details?id=org.freecodecamp
Source code: https://github.com/freeCodeCamp/mobile
#Education
@foss_Android
👍11❤8🔥3
Chrono
A modern and powerful clock, alarms, timer and stopwatch app for Android!
Chrono offers a modern and user-friendly interface with a range of features:
- Alarms: Customizable schedules, melodies, snooze settings, and alarm tasks.
- Clock: Customizable display, world clocks, and city search.
- Timer: Melodies, presets, and filtering options.
- Stopwatch: Lap history and comparisons.
- Appearance: Material You themes and customizable color and style themes.
Download: https://f-droid.org/packages/com.vicolo.chrono/
Source code: https://github.com/vicolo-dev/chrono
#system #clock
@foss_Android
A modern and powerful clock, alarms, timer and stopwatch app for Android!
Chrono offers a modern and user-friendly interface with a range of features:
- Alarms: Customizable schedules, melodies, snooze settings, and alarm tasks.
- Clock: Customizable display, world clocks, and city search.
- Timer: Melodies, presets, and filtering options.
- Stopwatch: Lap history and comparisons.
- Appearance: Material You themes and customizable color and style themes.
Download: https://f-droid.org/packages/com.vicolo.chrono/
Source code: https://github.com/vicolo-dev/chrono
#system #clock
@foss_Android
👍12❤7🔥4
OwnDroid
Manage your device with Device owner privilege
OwnDroid lets you use Device admin and Device owner privilege to fully manage your Android device.
Advantage:
- Open source. Device owner privilege could be more dangerous than root, close-source software's security is not guaranteed.
- Easy to use. You can use this utility easily.
- Modern. This app is built with Kotlin and Jetpack Compose, designed with Material Design 3. And some new features on Android 14 is adapted.
Download: https://apt.izzysoft.de/fdroid/index/apk/com.bintianqi.owndroid
Source code: https://github.com/BinTianqi/OwnDroid
#system
@foss_Android
Manage your device with Device owner privilege
OwnDroid lets you use Device admin and Device owner privilege to fully manage your Android device.
Advantage:
- Open source. Device owner privilege could be more dangerous than root, close-source software's security is not guaranteed.
- Easy to use. You can use this utility easily.
- Modern. This app is built with Kotlin and Jetpack Compose, designed with Material Design 3. And some new features on Android 14 is adapted.
Download: https://apt.izzysoft.de/fdroid/index/apk/com.bintianqi.owndroid
Source code: https://github.com/BinTianqi/OwnDroid
#system
@foss_Android
👍11❤3
Notification dictionary
An android app to display meaning for selected word as notification
Features:
* Easy access from all apps that have text selection.
* Enabled for offline usage.
* Wide variety of meanings from Wikitionary.
* Open source and MIT License.
source:
https://github.com/tirkarthi/NotificationDictionary
Download:
https://f-droid.org/en/packages/com.xtreak.notificationdictionary/
Hashtags:
#dictionary #notification
@foss_Android
An android app to display meaning for selected word as notification
Features:
* Easy access from all apps that have text selection.
* Enabled for offline usage.
* Wide variety of meanings from Wikitionary.
* Open source and MIT License.
source:
https://github.com/tirkarthi/NotificationDictionary
Download:
https://f-droid.org/en/packages/com.xtreak.notificationdictionary/
Hashtags:
#dictionary #notification
@foss_Android
❤10👍6👏2
Circles
Secure social sharing for friends and families
Circles is an end-to-end encrypted social network app built on Matrix. It enables friends and families to securely share stories and photos while safeguarding their security and privacy.
Download: https://f-droid.org/en/packages/org.futo.circles/
Source code: https://gitlab.futo.org/circles/circles-android
#opensource #internet
@foss_Android
Secure social sharing for friends and families
Circles is an end-to-end encrypted social network app built on Matrix. It enables friends and families to securely share stories and photos while safeguarding their security and privacy.
Download: https://f-droid.org/en/packages/org.futo.circles/
Source code: https://gitlab.futo.org/circles/circles-android
#opensource #internet
@foss_Android
👍17🕊3❤1
Lemuroid
All in one emulator for NES, SNES, GB, GBA, DS, N64, PSX, PSP and more...
Lemuroid is an open-source emulator based on Libretro. It's designed to work on a wide range of devices, from phones to TVs, and to provide the best user experience on Android. It's completely free and without ads.
Download: https://f-droid.org/packages/com.swordfish.lemuroid/
Source code: https://github.com/Swordfish90/Lemuroid
#game #opensource
@foss_Android
All in one emulator for NES, SNES, GB, GBA, DS, N64, PSX, PSP and more...
Lemuroid is an open-source emulator based on Libretro. It's designed to work on a wide range of devices, from phones to TVs, and to provide the best user experience on Android. It's completely free and without ads.
Download: https://f-droid.org/packages/com.swordfish.lemuroid/
Source code: https://github.com/Swordfish90/Lemuroid
#game #opensource
@foss_Android
👍11🔥8❤2🎉2
Jami
Audio & Video Calls / Chat Take Control of your Communication!
Jami (a GNU package) allows to make free and secure audio or video calls, to send pictures and messages around the world, without depending on a centralized service. Jami is a Free and open source software that is fully decentralized and distributed.
★ Communicate freely with Jami:
- send text messages
- make audio calls
- make video calls
- share pictures and files
★ Reach your peers directly in peer to peer !
★ Use your Jami account on multiple devices !
★ Available on Windows, macOS, iOS, GNU/Linux, Android and Android TV !
★ SIP account support available !
Download: https://jami.net/download/
Source code: https://git.jami.net/savoirfairelinux/jami-client-android
#opensource #video
@foss_Android
Audio & Video Calls / Chat Take Control of your Communication!
Jami (a GNU package) allows to make free and secure audio or video calls, to send pictures and messages around the world, without depending on a centralized service. Jami is a Free and open source software that is fully decentralized and distributed.
★ Communicate freely with Jami:
- send text messages
- make audio calls
- make video calls
- share pictures and files
★ Reach your peers directly in peer to peer !
★ Use your Jami account on multiple devices !
★ Available on Windows, macOS, iOS, GNU/Linux, Android and Android TV !
★ SIP account support available !
Download: https://jami.net/download/
Source code: https://git.jami.net/savoirfairelinux/jami-client-android
#opensource #video
@foss_Android
👍15🔥5❤3
Tack: Metronome
Beautiful metronome with powerful Wear OS integration
Tack is a modern metronome app for Android with a beautifully designed interface that has all the features you need for practicing a music piece accurately to the beat. There is also a separate Wear OS app available with many features directly on your wrist.
Features of the mobile app:
- Beautiful beat visualization with subdivisions and changeable emphases
- BPM bookmarks as app shortcuts
- Options for count-in, incremental tempo change, song duration, and swing
- Settings for flash screen, volume boost, audio latency correction, and elapsed time
- Dynamic color and dynamic contrast support
- Large screen support
- No ads or analytics
Download: https://apt.izzysoft.de/fdroid/index/apk/xyz.zedler.patrick.tack
Source code: https://github.com/patzly/tack-android
#opensource #music
@foss_Android
Beautiful metronome with powerful Wear OS integration
Tack is a modern metronome app for Android with a beautifully designed interface that has all the features you need for practicing a music piece accurately to the beat. There is also a separate Wear OS app available with many features directly on your wrist.
Features of the mobile app:
- Beautiful beat visualization with subdivisions and changeable emphases
- BPM bookmarks as app shortcuts
- Options for count-in, incremental tempo change, song duration, and swing
- Settings for flash screen, volume boost, audio latency correction, and elapsed time
- Dynamic color and dynamic contrast support
- Large screen support
- No ads or analytics
Download: https://apt.izzysoft.de/fdroid/index/apk/xyz.zedler.patrick.tack
Source code: https://github.com/patzly/tack-android
#opensource #music
@foss_Android
👍13❤2
Kanji Dojo
Learn & practice writing Japanese characters
Kanji Dojo is a convenient and effective tool for memorization of Japanese characters. With it you can learn how to write Japanese characters, memorize the correct stroke order, practice recalling meanings and readings of kana and kanji using flashcards with vocabulary examples. Keep studying anywhere, anytime without wasting tons of paper
With Spaced Repetition System in place, you'll be able to lean and retain information efficiently by reviewing things you've learned every day or as you see fit. Setup daily limit to avoid being overwhelmed and adjust it as you go. Enable daily notification reminder in the application's settings to stay consistent and keep your memorized information retained
Download: https://f-droid.org/en/packages/ua.syt0r.kanji.fdroid/
Source code: https://github.com/syt0r/Kanji-Dojo
#opensource #learning #Education
@foss_Android
Learn & practice writing Japanese characters
Kanji Dojo is a convenient and effective tool for memorization of Japanese characters. With it you can learn how to write Japanese characters, memorize the correct stroke order, practice recalling meanings and readings of kana and kanji using flashcards with vocabulary examples. Keep studying anywhere, anytime without wasting tons of paper
With Spaced Repetition System in place, you'll be able to lean and retain information efficiently by reviewing things you've learned every day or as you see fit. Setup daily limit to avoid being overwhelmed and adjust it as you go. Enable daily notification reminder in the application's settings to stay consistent and keep your memorized information retained
Download: https://f-droid.org/en/packages/ua.syt0r.kanji.fdroid/
Source code: https://github.com/syt0r/Kanji-Dojo
#opensource #learning #Education
@foss_Android
👍11❤3👏2🔥1
Pixelix
Android Client for Pixelfed
Pixelix is an Android client for Pixelfed, the federated image-sharing social network. It's designed to provide a seamless and high-performance user experience. With Pixelix, you can easily browse, post, and interact with your Pixelfed network on the go.
Download: https://f-droid.org/packages/com.daniebeler.pfpixelix/
Source code: https://github.com/daniebeler/pixelix
#opensource #socialnetwork
@foss_Android
Android Client for Pixelfed
Pixelix is an Android client for Pixelfed, the federated image-sharing social network. It's designed to provide a seamless and high-performance user experience. With Pixelix, you can easily browse, post, and interact with your Pixelfed network on the go.
Download: https://f-droid.org/packages/com.daniebeler.pfpixelix/
Source code: https://github.com/daniebeler/pixelix
#opensource #socialnetwork
@foss_Android
👍16❤2🔥2
Free Software[Android]
X(Twitter) has lifted the suspension on the FOSS Android Twitter Handle. Catch up on all our updates now at https://x.com/foss_Android Join us on Mastodon to ensure you never miss an update, in case the unexpected happens again: https://mstdn.social/@foss_android…
Our X (Twitter) account has been restricted again, and this time it's not yet been restored.
We're unsure why this keeps happening — could it be the name FOSS 'Android'? Or maybe because we promoted our Mastodon account? If you have any insights, drop them in the comments.
In the meantime, we won’t be focusing on X for now.
Follow us on Mastodon to stay updated without interruptions: https://mstdn.social/@foss_android
@foss_Android
We're unsure why this keeps happening — could it be the name FOSS 'Android'? Or maybe because we promoted our Mastodon account? If you have any insights, drop them in the comments.
In the meantime, we won’t be focusing on X for now.
Follow us on Mastodon to stay updated without interruptions: https://mstdn.social/@foss_android
@foss_Android
👍3🎉3❤1🔥1
Tubular
A free lightweight YouTube frontend for Android.
Tubular is a privacy-focused fork of NewPipe that brings in powerful additions like SponsorBlock and Return YouTube Dislike, while staying true to NewPipe’s principles.
- No Google frameworks
- No YouTube API usage
- Works without Google Services
- No account needed
It scrapes data directly from the YouTube website, making it perfect for de-Googled devices. 100% FLOSS and a great pick for anyone looking to enjoy YouTube with more control and fewer annoyances.
Download: https://f-droid.org/packages/org.polymorphicshade.tubular/
#opensource #YouTube #newpipe
@foss_Android
A free lightweight YouTube frontend for Android.
Tubular is a privacy-focused fork of NewPipe that brings in powerful additions like SponsorBlock and Return YouTube Dislike, while staying true to NewPipe’s principles.
- No Google frameworks
- No YouTube API usage
- Works without Google Services
- No account needed
It scrapes data directly from the YouTube website, making it perfect for de-Googled devices. 100% FLOSS and a great pick for anyone looking to enjoy YouTube with more control and fewer annoyances.
Download: https://f-droid.org/packages/org.polymorphicshade.tubular/
#opensource #YouTube #newpipe
@foss_Android
👍11❤5🔥5🤯1
File Explorer
An Android file explorer written in Kotlin and Jetpack Compose
File Explorer is a free, open-source file management application designed for Android. It leverages the power of Jetpack Compose to deliver a smooth, modern, and intuitive user interface.
Features:
• - Modern UI: Clean, declarative, and responsive interface built with Jetpack Compose.
• - Comprehensive File Management: Browse, create, copy, move, rename, delete, archive/extract, and handle cut/copy/paste operations.
• - Multi-Tab Navigation: Manage files across multiple tabs for better organization.
• - Built-in Media Viewers: Preview images, videos, audio, PDFs, and text files directly.
• - Lightweight & Efficient: Optimized for performance on all devices.
Download:
https://apt.izzysoft.de/fdroid/index/apk/com.raival.compose.file.explorer
Source:
https://github.com/Raival-e/File-Explorer-Compose
#file_explorer #filemanager #file_search #myfiles
@foss_Android
An Android file explorer written in Kotlin and Jetpack Compose
File Explorer is a free, open-source file management application designed for Android. It leverages the power of Jetpack Compose to deliver a smooth, modern, and intuitive user interface.
Features:
• - Modern UI: Clean, declarative, and responsive interface built with Jetpack Compose.
• - Comprehensive File Management: Browse, create, copy, move, rename, delete, archive/extract, and handle cut/copy/paste operations.
• - Multi-Tab Navigation: Manage files across multiple tabs for better organization.
• - Built-in Media Viewers: Preview images, videos, audio, PDFs, and text files directly.
• - Lightweight & Efficient: Optimized for performance on all devices.
Download:
https://apt.izzysoft.de/fdroid/index/apk/com.raival.compose.file.explorer
Source:
https://github.com/Raival-e/File-Explorer-Compose
#file_explorer #filemanager #file_search #myfiles
@foss_Android
👍13❤1
AstraCrypt
A powerful encryption app to keep your data safe and secure.
AstraCrypt is a free and open-source tool for encrypting your files with modern security standards, offering a user-friendly interface to manage them.
Strong Encryption: Utilizes AES-256 (GCM) for robust file encryption.
File Management: Offers basic file operations within the encrypted space.
Secure & Private: No data is collected, and there are no trackers or ads.
Modern UI: Features a clean and intuitive Material You design.
Download: https://apt.izzysoft.de/fdroid/index/apk/com.nevidimka655.astracrypt
Source: https://github.com/gromif/AstraCrypt
#AstraCrypt #Encryption #Security #Privacy
@foss_Android
A powerful encryption app to keep your data safe and secure.
AstraCrypt is a free and open-source tool for encrypting your files with modern security standards, offering a user-friendly interface to manage them.
Strong Encryption: Utilizes AES-256 (GCM) for robust file encryption.
File Management: Offers basic file operations within the encrypted space.
Secure & Private: No data is collected, and there are no trackers or ads.
Modern UI: Features a clean and intuitive Material You design.
Download: https://apt.izzysoft.de/fdroid/index/apk/com.nevidimka655.astracrypt
Source: https://github.com/gromif/AstraCrypt
#AstraCrypt #Encryption #Security #Privacy
@foss_Android
👍9❤6🔥2💯1
DeJpeg
DeJPEG is an Android app for removing jpeg compression artifacts and denoising images using FBCNN and SCUNet.
° batch processing
° transparency re-mapping
° fully offline
Download: https://apt.izzysoft.de/fdroid/index/apk/com.je.dejpeg
Source: https://github.com/jeeneo/dejpeg
#DeJpeg #ImageRecovery #OpenSource #Utility
@foss_Android
DeJPEG is an Android app for removing jpeg compression artifacts and denoising images using FBCNN and SCUNet.
° batch processing
° transparency re-mapping
° fully offline
Download: https://apt.izzysoft.de/fdroid/index/apk/com.je.dejpeg
Source: https://github.com/jeeneo/dejpeg
#DeJpeg #ImageRecovery #OpenSource #Utility
@foss_Android
👍14❤4
Proton Wallet
A self-custodial Bitcoin wallet for Android and web, built with end-to-end encryption.
Features:
● Self-custody with BIP39 seed phrase (compatible with other wallets)
● End-to-end encryption for wallet data and keys
● No trackers or ads
● Multi-device support (mobile + web)
● BTC transactions only (no altcoins)
● Send Bitcoin to other users via verified email
● Built-in address rotation for privacy
● Support for multiple wallets and accounts
● Open source and available for free
Download: https://proton.me/wallet/download
#Android #Bitcoin #Wallet #Crypto
@foss_Android
A self-custodial Bitcoin wallet for Android and web, built with end-to-end encryption.
Features:
● Self-custody with BIP39 seed phrase (compatible with other wallets)
● End-to-end encryption for wallet data and keys
● No trackers or ads
● Multi-device support (mobile + web)
● BTC transactions only (no altcoins)
● Send Bitcoin to other users via verified email
● Built-in address rotation for privacy
● Support for multiple wallets and accounts
● Open source and available for free
Download: https://proton.me/wallet/download
#Android #Bitcoin #Wallet #Crypto
@foss_Android
❤12🔥3
FOSS Lovers 💬🐧
A friendly space to talk about everything Free, Libre, and Open Source Software — from apps to operating systems, and everything in between.
💬 Join the discussion: https://t.me/foss_Discussion
✳️ Matrix[Element]: https://matrix.to/#/#foss_discussion:matrix.org
🐘 Mastodon: https://mstdn.social/@foss_android
🎧 Discord: https://discord.gg/s6BbPnvddh
📢 Our channels:
@FOSS_Android | @FOSS_Desktop | @FOSS_iOS
A friendly space to talk about everything Free, Libre, and Open Source Software — from apps to operating systems, and everything in between.
💬 Join the discussion: https://t.me/foss_Discussion
✳️ Matrix[Element]: https://matrix.to/#/#foss_discussion:matrix.org
🐘 Mastodon: https://mstdn.social/@foss_android
🎧 Discord: https://discord.gg/s6BbPnvddh
📢 Our channels:
@FOSS_Android | @FOSS_Desktop | @FOSS_iOS
👍10😱1
Element X
A fast, secure, and privacy-focused messenger built on the open Matrix network.
Element X lets you stay connected with friends, family, and communities — all while keeping control of your data.
Features:
• Real-time messaging & video calls
• Public and private group chats
• Reactions, polls, pinned messages & more
• Video calling while browsing messages
• Works with other Matrix apps (FluffyChat, Cinny, etc.)
• Open source and ad-free
Privacy-first: No tracking, no data mining — your conversations are yours.
Own your data:
Host on Matrix.org or your own server for full control.
Download: https://element.io/app
Source code: https://github.com/vector-im/element-x-android
#messaging #Matrix
@foss_Android
A fast, secure, and privacy-focused messenger built on the open Matrix network.
Element X lets you stay connected with friends, family, and communities — all while keeping control of your data.
Features:
• Real-time messaging & video calls
• Public and private group chats
• Reactions, polls, pinned messages & more
• Video calling while browsing messages
• Works with other Matrix apps (FluffyChat, Cinny, etc.)
• Open source and ad-free
Privacy-first: No tracking, no data mining — your conversations are yours.
Own your data:
Host on Matrix.org or your own server for full control.
Download: https://element.io/app
Source code: https://github.com/vector-im/element-x-android
#messaging #Matrix
@foss_Android
👍6❤3🤯1
Our Mastodon account just passed 5K followers! 🎉
Big thanks to everyone who’s been part of it and keeps the FOSS spirit going strong 💚
Join us there if you haven’t yet 👇
https://mstdn.social/@foss_android
We’ll keep curating hand-picked FOSS apps that respect your privacy and freedom 💚
@foss_Android
Big thanks to everyone who’s been part of it and keeps the FOSS spirit going strong 💚
Join us there if you haven’t yet 👇
https://mstdn.social/@foss_android
We’ll keep curating hand-picked FOSS apps that respect your privacy and freedom 💚
@foss_Android
❤11👍7
MBCompass
Modern FOSS Compass & Navigation
A lightweight, open-source compass and navigation app with no ads, no tracking, and no unnecessary bloat.
• Shows cardinal directions & magnetic azimuth
• Magnetic strength in µT
• Live GPS location on OpenStreetMap
• Sensor fusion for better accuracy
• Light/Dark theme
• Keeps screen on during navigation
• Works on Android 5.0+
• Built with Jetpack Compose and Material Design.
Download: https://f-droid.org/en/packages/com.mubarak.mbcompass/
Source code: https://github.com/MubarakNative/MBCompass
#Navigation
@foss_Android
Modern FOSS Compass & Navigation
A lightweight, open-source compass and navigation app with no ads, no tracking, and no unnecessary bloat.
• Shows cardinal directions & magnetic azimuth
• Magnetic strength in µT
• Live GPS location on OpenStreetMap
• Sensor fusion for better accuracy
• Light/Dark theme
• Keeps screen on during navigation
• Works on Android 5.0+
• Built with Jetpack Compose and Material Design.
Download: https://f-droid.org/en/packages/com.mubarak.mbcompass/
Source code: https://github.com/MubarakNative/MBCompass
#Navigation
@foss_Android
❤7