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5170 apps · feature

i2pd
APK
I2P (Invisible Internet Protocol) is a universal anonymous network layer. All communications over I2P are anonymous and end-to-end encrypted, participants don't reveal their real IP addresses. I2P client is a software used for building and using anonymous I2P networks. Such networks are commonly used for anonymous peer-to-peer applications (filesharing, cryptocurrencies) and anonymous client-server applications (websites, instant messengers, chat-servers). I2P allows people from all around the world to communicate and share information without restrictions. For more information about I2P, you can read article on Wikipedia.
F-DroidGitHub
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iBeacon Tasker Plugin
APK
iBeacon Tasker Plugin scans nearby Bluetooth LE iBeacon advertisements and returns matching beacon details to a Tasker or Locale-compatible automation task. The scan can match any iBeacon, or filter by UUID, major value, minor value, and minimum RSSI. Results are returned as local variables including UUID, major, minor, RSSI, advertised TX power, estimated distance, Bluetooth address, and timestamp. The app includes a simple launcher screen for granting permissions and testing scans without Tasker. Tasker scans run on demand; an optional compatibility monitor can be started for devices where background scans are unreliable. The monitor requests notification permission so Android 13 and newer can show the silent foreground-service notification. The app requests background location because Android treats Bluetooth LE scan results as location-capable, and Tasker-triggered scans may run after the app is no longer visible. The source repository includes code, license, releases, and issue tracking. Tasker or another Locale-compatible host is required for automation integration. The app has no ads, analytics, trackers, in-app purchases, or paid features. It does not request Internet access and does not send scan results off the device.
F-DroidGitHub
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iSpindle Plotter
APK
iSpindle Plotter is a self-hosted companion app for the iSpindel — an open-hardware floating hydrometer used by home brewers to track specific gravity through a fermentation. The app runs a small HTTP server on your phone that the iSpindel posts its readings to over your local Wi-Fi network, then stores, charts, and analyses those readings without ever sending your data to a third-party cloud service. Pairing and configuration: * Auto-pair flow that joins the iSpindel's configuration access point, sets the phone as the HTTP target (Generic HTTP / selAPI=3), reads the device's existing cubic calibration polynomial off the firmware, and reconnects to your home network — without losing pre-existing fields like the calibration on subsequent saves. * mDNS-style hostname discovery so the iSpindel can find your phone again after either device's IP changes. * Pushes the app's own calibration polynomial back to the iSpindel when you re-calibrate. Calibration: * Fit cubic / quadratic / linear polynomials from your own sucrose-dilution measurements. * Imports the iSpindel's pre-installed factory calibration on first pairing. * Setup guide with a sucrose-step-dilution recipe for 1.000–1.080 SG. Plotting and analysis: * Tilt angle, temperature, specific gravity, and battery voltage charts with a 24h / 7d / 30d / All time-window switcher. * Potential-alcohol secondary axis on the SG chart. * Robust phase classifier (Lag / Active / Slowing / Conditioning / Stuck / Cold crash) using a modified-Gompertz Levenberg-Marquardt fit (Zwietering et al. 1990), with fallback to an attenuation-prior when the data is too early to constrain the asymptote. * Predicted final gravity overlaid on the chart with a tapering uncertainty band derived from short-time noise estimation and the calibration polynomial's residual. * Battery runway estimate: linear discharge fit projecting time-to-cutoff at the current sample rate. * Trim-before-date-and-time to drop pre-fermentation noise; CSV export via the system file picker. Privacy: * No analytics, no telemetry, no third-party network connections. * Data is held only on your phone and only sent to your iSpindel's local IP for configuration writes. * The app's HTTP server listens on the phone's local network address only. Hardware: built and tested with an MTB iSpindel PCB 4.0; should work with any iSpindel firmware that supports the Generic HTTP target.
F-DroidGitHub
iTracing2
APK
itracing2 is a free and open source application that allows to (really?) use iTag devices. This application runs in background, so you do not have to launch it after each boot up. Several actions are available: - Capture your current position - Ringing your phone - Vibrate your phone - Call a custom URL (GET action)
F-DroidGitHub
iTrack workout tracker
APK
iTrack is a privacy-focused, open-source workout tracking application that helps you maintain consistency in your fitness journey. Features: • Create custom workout routines with detailed exercises • Track your workout progress in real-time • Collapsible exercise cards for a clean, efficient interface • Customizable repetitions and time-based exercises • Target muscle group tracking • Video URL support for proper exercise form • Multiple sets support • Workout history with completion percentages • No trackers, no ads, and completely free iTrack is designed to be simple, effective, and privacy-respecting. Your workout data stays on your device - we don't collect any data or require internet access for core functionality. This app is open-source and community-driven. Contributions are welcome on GitHub!
F-DroidGitHub
idTech4A++
APK
idTech4A++ is idTech game runtime environment for Android. Support DOOM III/Quake 4/Prey(2006)/DOOM3 BFG/Quake 1/Quake 2/Quake 3/Return to Castle Wolfenstein/The Dark Mod/GZDOOM/Wolfenstein: Enemy Territory/RealRTCW/FTEQW/STAR WARS™ Jedi Knight/Serious Sam Classic/Urban Terror/Medal of Honor: Allied Assault/Skin Deep/Quadrilateral Cowboy/Icarus Starship Command Simulator 1. Putting your PC game data(external folder) to launcher setting `Game working directory`(default `/sdcard/diii4a`). 2. Click left icon or right game name text of launcher status bar for choosing game, and select game mod in tab `GENERAL`'s `Game`. 3. Finally `START GAME`. Support DOOM III/Quake 4/Prey(2006) feature: multi-threading renderer pure soft shadow with shadow-mapping wide-character language translation support global illumination rendering translucent/soft stencil shadow Phong/Blinn-phong/PBR/no-lighting rendering Bot mod in DOOM3/Quake 4 View body mod in DOOM3/Quake 4 Full body awareness mod in DOOM3/Quake 4/Prey(2006)
F-DroidGitHub
inkOS - Text based & E-ink friendly Launcher
APK
Key features:Home ScreenDrag-and-drop app reordering with adjustable paddingMultiple pages with page indicatorsBuilt-in clock, audio, date, battery widgetsConfigurable number of home appsPaged App Drawer with no animationsHide unwanted apps from the drawerRename apps with custom aliasesLock apps behind biometric authenticationLong-press options: delete, rename, hide, lock, or view infoNotificationsSmart notification indicators (asterisk or label previews)Media playing indicators with audio namesNotification window for reading full messagesNotification allowlist for focused experienceGestures/ButtonsVolume key navigation between pagesCustomizable double-tap, clock, date, quote, and swipe actionsActions include: open apps, lock screen, show notifications, brightness & more.CustomizationLight/dark themes with custom colorsIndividual font controls for different elementsE-ink display optimizationPrivacy-focused (no internet permission)AdvancedBiometric lock for settingsBackup/restore settingsForked from mlauncher
GitHubIzzyOnDroid
insporation*
APK
A native diaspora* client powered by Flutter.This is still in preview. You will need a pod on the latest develop branch. Contributions are welcome, please open an issue if you work on something bigger to avoid duplicated effort :)
GitHubIzzyOnDroid
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ioBroker
DesktopWeb
Open-source home automation platform with 300+ integrations, running on Node.js.
iyox Wormhole
APK
Iyox Wormhole is a simple and secure file-sharing app based on the Magic Wormhole protocol. It allows you to send and receive files of any size using a short passcode or QR code. End-to-end encryption ensures that only the intended recipient can access the files, protecting your privacy. No account or setup is needed—just generate a code, share it, and transfer your files securely. Iyox Wormhole is open-source, making it transparent and available for contributions. Whether you're sharing documents, photos, or other files, it provides a fast and reliable way to do so securely.
F-DroidGitHubIzzyOnDroid
jQuarks viewer
APK
# (Kotlin)Quarks Browser refactored ***org.lineageos.jelly*** for AOSP compilation Jelly browser with ads blocker, support for android 6.0+, a few ui changes and some bug fixes. Ads blocker and favicon in search bar based on this: https://github.com/CarbonROM/android_packages_apps_Quarks ### Ads blocker: * https://pgl.yoyo.org/as/serverlist.php?hostformat=nohtml&showintro=0 ### Offline reading: * .mht (chromiumPC compatible) * /Android/data/com.oF2pks.jquarks/files/*.mht * ✇Favorites * screen Shortcuts ### tab(s) manager: * tile & iconShortcut for allTabs kill * randomized UserAgent for each tab https://coveryourtracks.eff.org/kcarter?aat=1 ### external launches: * local xml/mht/html/svg/eml, for both ^content^ (X-plore) & ^file^ (aosp/Files or GhostCommander) * local video (with screen-off audio) * ShareLink * ShareContent * web search ### aditionnal features * pageIcon in urlBar: click to Refresh & longclick for GoForward * secureIcon in urlBar: click to sslCertificate & longclick to /Settings * ping action, x509 and links to VirusTotal/MyWOT via sslCertificate screen ### new Settings * force NightMode in webview (min version 76!) * adjustable size for urlBar height * toggle URL vs Title in urlBar * anti-tracing & info for UserAgent ### More Search-engine(s): chosen one (via /Settings/) triggered, from any selected text (anywhere via longpress) * Gibiru * Google without AI * Mojeek * Qwant * SearX * StartPage * Swisscows ### (android TV menu compatibility (+ w.i.p. samsung Dex)) ## AOSP compilation: ***packages/apps/Quarks/*** ``` use branch -b aosp (org.lineageos.jelly 21.0+) ``` ``` etc/sysconfig/?.xml ``` >__\__ prim-origin, Apache License v2.0 https://github.com/LineageOS/android_packages_apps_Jelly
F-DroidGitHub
jSlide2
APK
Jump and slide your way into the Highscore. Changing direction mid-air gets you even more speed. Feel free to comment and ask for details on itch.io: https://hexyea.itch.io/jslide-2
F-Droid
jtx Board journals|notes|tasks
APK
Elevate the power of the iCalendar standard to the next level, use the potential of the combination of journals (VJournal), notes (VJournal) and tasks (VTodo) out of one app and use DAVx5 to synchronize your entries with a CalDAV-server of your choice! iCal standard compliant Using the iCal standard ensures compatibility and interoparability with other apps and services independent of a dedicated provider or infrastructure. Journals and Notes are compliant to the definition of the VJOURNAL component, Tasks are compliant to the VTODO component. Future features will also include import and export functionalities to and from .ics files :-) Combine journals, notes & tasks Instead of using separate apps for journals, notes & tasks you can use them out of one hand, combine and link them to each other, e.g. create meeting minutes and link your tasks to them. Sync with DAVx5 Synchronize your entries with any compatible CalDAV server by using DAVx5. By using DAVx5 you are free to choose your preferred provider for CalDAV, you can even use your local server to store and synchronize your data. Note: DAVx5 is an independent app and must be acquired separately. Open Source Your data can contain private and sensitive data by their nature. We believe that individuals and companies should be able to be in full control of their own data. This means the freedom to choose where and how the data are stored, and freedom in choice of software. That is why we chose DAVx5 as a Sync Adapter to synchronise your data between your phone and any compatible CalDAV-server. The source code for jtx Board is publically available - find out more on https://jtx.techbee.at ! What does VJournal and VTodo mean? VJournal and VTodo are calendar components defined in the international standard RFC-5545, the Internet Calendaring and Scheduling Core Object Specification (iCalendar), see https://datatracker.ietf.org/doc/html/rfc5545 . This standard also defines the VEvent component, which is the standard definition for calendar event entries. jtx Board is using the VJournal component according to this iCalendar standard for journal entries and tasks. VJournals can have a defined start date, but they cannot have a duration or an end date. VJournals with a defined start date are considered journals entries in jtx Board, VJournals without start date are interpreted as notes. The VTodo component as defined in the iCalendar standard defines the technical specification of tasks, which can have a scheduled start, due and completed date as well as a progress and a completed status (amongst others). The VEvent definition is widely used, the VTodo component also found some implementations in Apps, but the VJournal component remained in the dark almost not being implemented at all by other apps and services. With jtx Board we would like to revive the usage of this standard and empower it with the possibilities to link and combine VTodos with VJournals - and in the future also VEvents! :-) Find out more on https://jtx.techbee.at
F-DroidGitHub
k3pler
APK
k3pler is a network connection blocker and packet analyzer built on top of local HTTP proxy. It offers a.o. the following features: * Show network traffic in a list (HTTP Request/Response) * details about requests/responses * Blacklist connection after getting detailed information * Edit/Remove item at blacklist - clear blacklist
F-DroidGitHub
k4android
APK
k4android is an android client for the electronic private cash system k4ever available at https://gitlab.tubit.tu-berlin.de/freitagsrunde/k4ever.
F-DroidGitHub
kDI Device Info system permission
APK
Re-branded KalturaDeviceInfo to provides GSF id (needed for Google uncertified devices) and checks about Widevine, Treble, a/b & media decoders (and all others possible device system definitions). Basic json example, it shows how much any app, can silently retrieve devices characteristics, but also simply provides : It collects some diagnostic information about an Android device and allows sharing it using a standard share Intent. * testing any device sample, without Dev./Options unlocked, before purchasing (live or via email request to the seller) * add-on for static passive reporting in AOSP roms (conversely to active stats) * Treble advanced reviewing specifics * all-in-one floss without internet leak JSON report doesn't include any {action}->privateIDs ; feel free to Post everywhere (*.json can be easily browsed/parsed with FirefoxPC) - detection getprop for Treble & A/B seamless update + designation Soc & Kernel version - ... SharedLibs, Features, SecurityProviders, /proc/meminfo, GLESversion +... - Services & init_svc & {action}-> getprop - New Treble checks (ro.vndk.version) & ScreenMetrics - improve gps.conf & treble + matrix -/vendor detection, mounts, camera & cameraAPi2... (and Matrix_bug) - CameraAPi2 global specs - Display HDR modes - etc/gps.conf miss in "private" dialog-box - microG spec(s) detection - multi screens support - all sensors with mA consumption code https://bitbucket.org/oF2pks/kaltura-device-info-android/src/master/ prim-origin https://github.com/kaltura/kaltura-device-info-android nota: works on JellyBean and up ; with Oreo, Android_id is discontinued, and Serial_id deprecated due to permission.
F-Droid
kardi notes | privacy matters
APK
Application for taking notes with capabilities to view all content from any device while keeping all data accessible by you only. The app is designed to run on all modern operating systems including Windows, Linux, Android, MacOS and iOS along with a web version accessible directly from any browser. Download on your phone, save important information, download on your computer, easily pair the applications and enjoy your content from anywhere! No ads, no telemetry, no logs. Application is easy to use, mostly self explanatory with hints and example in case you get lost. Please note, if you forget your password or lose your device, all your data is lost and cannot be recovered. App contains multiple safe mechanisms to prevent undesired behaviour such as overwriting notes that have been changed from other device. More information can be found at https://www.kardi.tech/#notes Detailed update log can be found at https://www.kardi.tech/notes/ Privacy policy can be found at https://www.kardi.tech/privacy-policy/ Source code for the app can be found at https://github.com/rikodot/kardi_notes_app/ Source code for the api can be found at https://github.com/rikodot/kardi_notes_api/
F-DroidGitHub
kboard
APK
Do you hate people as much as I do? Do you find yourself wasting time trying to find the right condescending message in order to get rid of them? Then you need kboard - a keyboard designed specifically to end conversations. Don't waste time with all those other superfluous letters when all you really need is 'k.'. * *NEW* Commands - a powerful VIM-like macro system for your own custom command keys /like this!5dw,i($0!!!!) * Add as many custom keys as you need. * Quickly switch between kboard and your other keyboards * One-click send option for the pinnacle of laziness - no need to even press enter! * Choose from 5 material design color schemes It will literally save you hours of pointless talking! With kboard the world is your oyster: * Add your favourite hashtags * Easily Italicise/bolden things in WhatsApp * More powerful copy/paste automation with Commands * Use to speed up github peer reviews (e.g. thumbs up, +1, LGTM) * Add long names that are awkward to type * Custom text emoji/faces (e.g. ¯\_(ツ)_/¯, ( ͡° ͜ʖ ͡°)) * Automate sweet nothings to your partner COMMANDS (New in v3) Commands is a VIM-like system for adding keys that do special things. For example: /WhatsApp italicise!dw,i(_$0_) /WhatsApp bolden!dw,i(*$0*) /WhatsApp italics!i(__),j /Copy All!yy /Repeat word x4!dw,4p /rly sad!1000i(😥 ) Full list: d=delete previous character dw=delete previous word 3dw=delete previous three words dd=delete all yy=copy all y=copy selection p=paste from clipboard i(text)=output the content of the brackets ($0 gets replaced with the last deleted/copied content) upper(text)=as o, but in upper case lower(text)=as o, but lower case j=move cursor back by a character k=move cursor forward by a character b=move cursor back by a word w=move cursor forward by a word s=trigger a send command
F-DroidGitHub
keepass2android
APK
Keepass2Android is an open source password manager application for Android. It is compatible with the popular KeePass 2.x Password Safe for Windows and aims at simple synchronization between devices.
GitHub
kitshn (for Tandoor)
APK
Built with Compose and Material 3 Expressive to deliver a modern, intuitive and responsive user experience. 💪 Notable Features Dynamic home screen UI Material You customization Material 3 Expressive Adaptive layout for phones, tablets and foldables Recipes Markdown support Cooking mode Creating timers with timer detection App links Embedding videos inside steps Importing Social Media Importing powered by AI Share links with kitshn for import Easy ingredient allocation tool Meal plan Shopping list Shopping mode Offline sync Recipe books Favorites system Icon made by Freepik from www.flaticon.com
F-DroidGitHubIzzyOnDroid
K
knkpanime
APK
A anime app which supports multiple anime source and danmaku. You can even add custom website adaptor!
F-DroidGitHub
koduko
APK
Kudoku is yet another Habit tracker – an open source and free app where you can manage your daily or weekly habits. It uses Material 3 design.Features:Notification SupportMaterial 3 DesignNo adsAnalyticsand much more..
GitHubIzzyOnDroid
koyu.space
APK
koyu.space is a community based on the Mastodon network. This app is the entry into the fediverse to communicate with the people you like. koyu.space uses Mastodon and it has some advantages. Instead on relying on a centralized infrastructure, Mastodon relies on a decentralized infrastructure. That's pretty much like E-Mail: You have an e-mail address, but you can also interact with people on other servers. Besides that we have some other features included, that aren't available on Mastodon.
F-DroidGitHub
krassesSpiel
APK
A little Game where you shoot bullets at squares and try not to get hit by enemy bullets. can be played using touch or motion control. if you don't like the look of the game, you can change all colors in settings. if you don't like, that there is no background music, you can choose background music in settings. if you like cool laser sounds, enable them in settings. if you like bugs, there is a bug you can enable in settings.
F-DroidGitHub
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