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5170 apps · feature
Kuaizi IME
APK
筷字输入法 (Kuaizi IME) is a system based on the combinatorial features of Chinese Pinyin. It is an efficient and fast input method editor, suitable for electronic touchscreen devices. 筷字输入法 (Kuaizi IME) abandones the traditional method of tapping on virtual keyboard keys one by one, it instead offers a swipe input method for Pinyin, combined with the combinatorial features of Pinyin letters. The key layout is designed to make Pinyin input more accurate and convenient. 筷字输入法 (Kuaizi IME) provides editing support such as cursor movement and text selection for the target editor, thereby eliminating the frustration of being unable to accurately position inputs and text due to the small screen size of mobile devices. This further enhances text input and editing efficiency on small-screen devices. User-data generated by 筷字输入法 (Kuaizi IME) is stored locally. It does not connect to the internet and will not collect nor analyze user data or behavior habits. Furthermore, it does not support or provide predictive input nor fuzzy matching mechanisms. To some extent, this input method editor aims to enhance the users' ability to recognize and memorize Chinese characters and Pinyin, ensuring that the reliance on digital tools does not lead to the gradual forgetting and eventual abandonment of 「汉字」(Hànzì, Chinese characters), a treasure of Chinese civilization.
F-DroidGitHub
Kumquats
APK
A word game where you place letters to create intersecting words as quickly as possible. Try to beat your best times, while practicing vocabulary and anagramming.
F-DroidGitHub
Kung Foo Barracuda
APK
Beat'em up arcade for the masses! Play a classic beat'em up arcade game like it is 1987. This gameplay is combined with the vertical scoller madness we all like from our favourite space shooters! How high can your score get?
F-DroidGitHub
Kurdish for AnySoftKeyboard
APK
Kurdish layouts and dictionary for AnySoftKeyboard keyboard app. This is an expansion layouts pack for AnySoftKeyboard. Install AnySoftKeyboard first, and then select the desired layout from AnySoftKeyboard Settings->Keyboards menu.
F-DroidGitHub
Kvaesitso
APK
Kvaesitso is a launcher application for Android which replaces the device's default home screen. It has been built from scratch, meaning it is not based on the AOSP launcher (like many other third party launchers) nor does it try to recreate this launcher. Instead, Kvæsitso follows its own concepts.The main feature is a global search which does not only let you search on device for apps, contacts, and calendar events, but also on web services like Wikipedia or your Nextcloud Instance. Additionally it includes some useful tools, for example a calculator and a unit converter. You are looking for a document or an information? Just search for it and Kvæsitso shows you the fastest way to it.
F-DroidGitHubIzzyOnDroid
Kvæsitso Icons
APK
Kvaesitso Icons is a fork with all commits from Lawnicons and some icons added.Kvaesitso Icons is an add-on for adding themed icons to Kvaesitso. This addon is now the source of all themed icons, for simplicity.
GitHubIzzyOnDroid
Kwaak3
APK
Port of ioquake3 engine to Android. Place original pak0.pk3 file from Quake 3 and patch files in /sdcard/quake3/baseq3. Touch controls do not work in this version, so you need hardware keys to play.
F-Droid
Kwik DEM (ant.spl)
APK
Synthetic vision terrain (DEM) data pack for use with: Kwik EFIS * Antartica / South Pole Help
F-Droid
Kwik DEM (eur.rus)
APK
Synthetic vision terrain (DEM) data pack for use with Kwik EFIS * Europe * Russia Help
F-Droid
Kwik DEM (pan.arg)
APK
Synthetic vision terrain (DEM) data pack for use with Kwik EFIS * South America Help
F-Droid
Kwik DEM (sah.jap)
APK
Synthetic vision terrain (DEM) data pack for use with Kwik EFIS * Sahara / North Africa * India / Indonesia * Japan Help
F-Droid
Kwik DEM (usa.can)
APK
Synthetic vision terrain (DEM) data pack for use with: Kwik EFIS * North America * Canada Help
F-Droid
Kwik DEM (zar.aus)
APK
Synthetic vision terrain (DEM) data pack for use with: Kwik EFIS * Southern Africa * Australia / New Zealand Help
F-Droid
Kwik EFIS
APK
Kwik EFIS is a Glass Cockpit application designed to work on most Android devices. It provides a modern aviation glass cockpit attitude and flight instrument display. Digital Moving Map The built in map module provides situational awareness and and navigation functionality. EFIS can optionally integrate with the Stratux ADS-B/AHRS to provide real-time traffic overlay. Synthetic Vision Synthetic vision is built from the USGS 3 arc second Digital Elevation Model data. If enabled, it also allows for some terrain collision detection. The required terrain data packages are available via F-Droid, see: https://f-droid.org/en/packages/player.efis.data.usa.can - North America, Canada https://f-droid.org/en/packages/player.efis.data.eur.rus - Europe, Russia https://f-droid.org/en/packages/player.efis.data.sah.jap - Sahara / North Africa, India / Indonesia, Japan https://f-droid.org/en/packages/player.efis.data.eur.rus - Southern Africa, Australia / New Zealand https://f-droid.org/en/packages/player.efis.data.pan.arg - South America https://f-droid.org/en/packages/player.efis.data.ant.spl - Antarctica / South Pole Flight Director Kwik EFIS has a fully functional flight director built in. It uses the standard V-Bar symbology common to modern flight directors. The target waypoint and altitude is set on-screen by means of the spinner controls on the right top and bottom of the screen. Airspace Airspace data is provided from Worldwide Soaring Services Turnpoint Exchange Airspace (http://soaringweb.org/Airspace/) ADS-B/AHRS In addition to the internal sensors, a low cost Stratux ADS-B/AHRS can be selected as the input source. See http://www.stratux.me/ for more information. Simulator There is a simulation mode available in the application. The Flight director is used to select a waypoint and altitude and the simulator will generate the GPS movements to navigate to the selected waypoint. The speed is set at the typical cruise for the currently selected aircraft. Installation For application and installation help, see: https://ninelima.org/efis/instructions.html
F-Droid
Kwik EFIS (E-Ink)
APK
Specific build of Kwik EFIS optimized for use on E-Ink devices. For more details, please see: Kwik EFIS
F-Droid
KyuubiMask - Privacy First
APK
KyuubiMask is designed to keep your notification content away from prying eyes. It replaces notification text as quickly as possible, making it much harder for others to read what you received—even if they're looking right at your screen. Notification content is never displayed or saved by this app. KyuubiMask is a privacy-first notification masking tool that protects your sensitive information during screen sharing, presentations, or when your screen is visible to others. 🔒 PRIVACY FIRST • No internet permission - works completely offline • No data collection or storage • No tracking, analytics, or ads • Notification content is never logged or saved • Open source with Apache 2.0 license ✨ FEATURES • Masks notifications from any app you choose with generic text • Tapping a masked notification opens the original app directly, without revealing any content • Built-in presets for Slack, Discord, WhatsApp, and LINE • Per-app toggle to choose which apps to mask • Quick Settings tile for one-tap masking toggle • Simple on/off toggle to enable or disable the service • Works in the background • Minimal permissions required • Lightweight and efficient 📱 SUPPORTED APPS KyuubiMask works with any installed app — select additional targets via the "Add custom apps…" button in Settings. Slack, Discord, WhatsApp, and LINE are available as built-in presets. 🎯 PERFECT FOR • Screen sharing during video calls • Live presentations and demos • Recording tutorials or videos • Working in public spaces • Protecting your privacy 💡 HOW IT WORKS When enabled, KyuubiMask replaces notification content from supported apps with generic text like "New notification", hiding sensitive information while still allowing you to see that you received a notification. 📖 WANT TO CHECK A NOTIFICATION LATER? This app never saves notification content. If you want to review what you received, on supported devices (Android 11+), you can use Android's built-in Notification History if available and enabled (Settings → Notifications → Notification History). 🦊 OPEN SOURCE All code is available on GitHub. No hidden functionality, complete transparency.
F-DroidGitHub
K
Kõnele
APK
Kõnele is an app that offers speech-to-text user interfaces to other apps. Many apps contain a text area or a text field (e.g. a message box or a search bar) that can be edited using the input method editor (IME), aka the on-screen keyboard. Kõnele provides an IME that is optimized for speech input. Modalities like swiping and buttons are also supported, for situations where speaking is less convenient. Many apps (e.g. intelligent assistants, navigation apps) also contain a microphone button that is linked to the standard Android speech recognition activity. Kõnele provides an implementation of this activity, and uses it itself as a launcher. Kõnele can connect to any speech recognition service available on the device but by default uses, and is optimized for Kõnele service (https://github.com/Kaljurand/K6nele-service), a separate lightweight app whose backing server runs the kaldi-gstreamer-server (https://github.com/alumae/kaldi-gstreamer-server) software. The default server operates from Tallinn and provides Estonian speech recognition, but the software is easy to deploy elsewhere (e.g. a private network) and customize for other languages. (Note that Kõnele also includes a simpler version of "Kõnele service" under the name "Kõnele (fast recognition)".)
F-DroidGitHub
Kõnele service
APK
Kõnele service is an Android app that offers a speech-to-text service to other apps, in particular to Kõnele. It implements SpeechRecognizer, backed by an open source speech recognition server software named Kaldi GStreamer server.
GitHubIzzyOnDroid
L9Droid
APK
Download and play games in the Level9 format, including Spectrum snapshots.
F-DroidGitHub
LANShield
APK
LANShield lets you monitor and control LAN traffic of other apps on your device. Any app with the INTERNET permission can also access devices on your local network—such as your laptop, router, IP camera, or IoT devices. Some apps misuse this capability to gather data or compromise other devices. LANShield helps you protect your local network by blocking LAN access for apps that don’t need it. Features: Block or allow apps from accessing your local network. Gain insights into which apps are interacting with your LAN. Receive notifications when apps attempt to access your LAN. Note: LANShield uses the VpnService API to create a local virtual VPN interface. It does not establish any external VPN connection.
F-DroidGitHub
LASKmobile
APK
LASKmobile allows you to enter your data at work and sync it with LASK (www.launchpad.net/lask).
F-DroidGitHub
LBalance
APK
LBalance is an app that uses the acceleration sensors of the device to move graphical objects on the screen. LBalance can also be used as a protractor or spirit level. Several graphical representations have been implemented. Beside own creations there are layouts inspired from the layout of known similar apps. The different layouts can be switched by the user. Also exists an overview display for direct selection. The calibration of the angle display follows the pattern of simple apps of this kind and applies to each main orientation of the device separately.
F-DroidGitHub
LCARS Wallpapers
APK
Star Trek LCARS themed live wallpaper for Android 2.1+ devices that shows various system information.
F-Droid
LCTerm
APK
LCTerm is a free and open-source Android Point-of-Sale application designed for merchants to accept and verify cryptocurrency payments. It runs on all android devices but was designed for android point-of-sale devices with a thermal receipt printer. It supports multiple assets, QR code generation, conversion at current market values, local currencies, and receipt printing, to enable point of sale transactions. LCTerm is not a wallet and holds no funds, rather it verifies the customer payments are made to addresses specified by business owners. To use LCTerm a merchant must have an API key available at Vericeive.com. This project is developed by Vermont Secure Computing and is fully open source for transparency and community trust.
F-DroidGitHub