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5170 apps · feature
Kazumi
APK
A flutter app for collecting and watching anime online with custom rules. Use up to five lines of Xpath expressions to build your own rules. Supports rule import and rule sharing. Supports danmaku. In development (~ ̄▽ ̄)~
F-DroidGitHub
Kechi
APK
Have you ever watched one of those adventure movies where people are fighting on a rickety rope bridge? As they move, more and more of the bridge breaks and falls beneath them... Well, in those scenes, I found the inspiration for a board game! Players take turns moving and attacking each other on a more and more dangerous board!
F-DroidGitHub
KeePass NFC
APK
For use with https://f-droid.org/packages/com.android.keepass. KeePass NFC lets you use a rewritable NFC tag to unlock your KeePassDroid database. It includes the functionality to write the NFC tag as well as to unlock KeePassDroid when reading the tag.
F-DroidGitHub
KeePassDX Free - FOSS Password Safe
APK
KeePassDX is an open source passkey, password safe and manager allows editing encrypted data in a single file in the open KeePass format and fill in the forms in a secure way, requires no Internet connection and integrates Android design standards. The app is open source, with no advertising.FeaturesPasskeys for authentication and local storage of private keys.Biometric recognition for fast unlocking (fingerprint / face unlock / …).One-time password management (HOTP / TOTP) for two-factor authentication (2FA).Autofill for easy form filling with passwords.Magikeyboard to efficiently fill in any field.Create encrypted database files.Organisation of credentials by entry and in group trees.Allows opening and copying URI / URL fields quickly.Dynamic templates for each type of entry.History of each entry.Precise management of settings.Material design with themes.Support for .kdb and .kdbx files (version 1 to 4) with AES - Twofish - ChaCha20 - Argon2 algorithm.Compatible with the majority of alternative programs (KeePass, KeePassXC, KeeWeb, …).Code written in native languages (Kotlin / Java / JNI / C).You can donate or buy the pro version for better service and a quick development of features you want: https://play.google.com/store/apps/details?id=com.kunzisoft.keepass.proThe project is constantly evolving. Do not hesitate to check the development status of the next updates: https://github.com/Kunzisoft/KeePassDX/projectsSend issues to: https://github.com/Kunzisoft/KeePassDX/issues
GitHubIzzyOnDroid
KeePassDX Passkey Vault
APK
KeePassDX is an open source passkey, password safe and manager allows editing encrypted data in a single file in the open KeePass format and fill in the forms in a secure way, requires no Internet connection and integrates Android design standards. The app is open source, with no advertising. Features - Passkeys for authentication and local storage of private keys. - Biometric recognition for fast unlocking (fingerprint / face unlock / …). - One-time password management (HOTP / TOTP) for two-factor authentication (2FA). - Autofill for easy form filling with passwords. - Magikeyboard to efficiently fill in any field. - Create encrypted database files. - Organisation of credentials by entry and in group trees. - Allows opening and copying URI / URL fields quickly. - Dynamic templates for each type of entry. - History of each entry. - Precise management of settings. - Material design with themes. - Support for .kdb and .kdbx files (version 1 to 4) with AES - Twofish - ChaCha20 - Argon2 algorithm. - Compatible with the majority of alternative programs (KeePass, KeePassXC, KeeWeb, …). - Code written in native languages (Kotlin / Java / JNI / C). You can donate or buy the pro version for better service and a quick development of features you want: https://play.google.com/store/apps/details?id=com.kunzisoft.keepass.pro The project is constantly evolving. Do not hesitate to check the development status of the next updates: https://github.com/Kunzisoft/KeePassDX/projects Send issues to: https://github.com/Kunzisoft/KeePassDX/issues
F-DroidGitHubIzzyOnDroid
K
KeePassDroid
APK
A password safe, compatible with KeePass. Keepass is available on all the major desktop platforms: on GNU/Linux KeePassX is a well-established client. Portable editions are available if you need to use it on a Windows machine. Supports both versions 1 (kdb) & 2 (kdbx) of the Keepass database. Supports MIPS and x86 natively.
F-DroidGitHub
KeePassVault
APK
Client app for KeePass databases. This app is orientated for my personal use. It may have some bugs, so please make a backup before using it. Application Features: Synchronization: - Sync with WebDav server - Sync with Git repository (only via HTTPS, SSH protocol is not available) Database Management: - Create new databases - Edit existing databases - Manage entry history - Manage attachments - Dynamic templates (compatible with other android applications: KeePassDX, keepass2android) Advanced Database Tools: - Built-in diff viewer for database changes - TOTP (Time-based One-Time Password) and HOTP (HMAC-based One-Time Password) support for Two-Factor Authentication (2FA) Security Features: - Unlock using password or key file - Supports biometric unlock (fingerprint) File Compatibility: - Supports .kdbx files up to version 4.1 User Convenience: - Autofill for Android >= 8.0 - Dark theme (controlled by system settings) - Fuzzy search for easy finding of entries
F-DroidGitHub
Keep Alive
APK
Keep Alive will send a custom message via SMS to one or more people if you haven't used your device in a given period of time. Intended to be used as a failsafe for those living alone in case of an accident or other emergency. Once the settings are configured, no further interaction is required. - 100% Device-based, no cloud services or accounts required - Free with no ads or trackers - Open Source (https://github.com/keepalivedev/KeepAlive) - Minimal Battery Usage - Multiple SMS Recipients - Custom Alert Message - Optional: Include Location Information in SMS - Optional: Place a phone call with speakerphone enabled - Optional: Send an HTTP request to a custom URL Requirements Keep Alive requires that your device has an active cellular plan. WiFi calling and messaging will be used if the device supports it. How it Works Keep Alive uses either your device's lock screen or another app(s) to detect activity. If your device hasn't been lock or unlocked for a set period of time, or if you haven't accessed the selected app(s), you will be prompted with an 'Are you there?' notification. If this notification is not acknowledged an Alert will be triggered. Based on the configured Emergency Contact Settings, one or more SMS messages and/or a phone call will be placed to notify others that you may be in need of assistance. Main Settings - Monitoring Method - Choose between using the lock screen or another app(s) to detect activity. If using another app(s), you will be prompted to select the app(s) to monitor. - Hours of Inactivity Before Prompt - how many hours since your phone was last locked or unlocked before you are prompted with an 'Are you there?' notification. Defaults to 12 hours - Minutes to Wait - if the prompt is not acknowledged within this time, an Alert will be sent based on the configured emergency contact settings. Defaults to 60 minutes - Rest Period Time Range - a range of time during which inactivity will not be counted. For example, with 'Hours of Inactivity' set at 6 hours and a Rest Period of 22:00 – 6:00, if the device is last used at 18:00, the 'Are you there?' check would not be sent until 8:00. Note that an alert can still be sent during a rest period if the 'Are you there?' check was sent BEFORE the start of a rest period. - Auto-Restart Monitoring After Alert - If enabled, monitoring will be automatically restarted after an Alert is sent. - Alert Webhook - Configure an HTTP request to be sent when an Alert is triggered Emergency Contact Settings - Phone Call Number (Optional) - when an Alert is triggered a phone call will be placed to this number with speakerphone enabled One or more SMS recipients can be configured with: - Phone Number - the phone number to send the Alert SMS to - Alert Message - the message that will be sent when an Alert is triggered - Include Location - if enabled, your location will be included in a second SMS Privacy/Data Collection No data is collected other than the configured settings. This data is not shared with the developers or any 3rd parties. The only data transmitted is to the configured emergency contacts. This app does not request network or storage access and no data is sent to the developers or any 3rd parties. Disclaimer - Not responsible for SMS or phone call charges incurred by the use of the Keep Alive app - The operation of the Keep Alive app is dependent on the device, software, and network connectivity. The developers are not responsible for any failure due to device malfunctions, software incompatibilities, or network issues.
F-DroidGitHub
Keep Alive Lite
APK
Keep Alive will send a custom message via SMS to one or more people if you haven't used your device in a given period of time. Intended to be used as a failsafe for those living alone in case of an accident or other emergency. Once the settings are configured, no further interaction is required. - 100% Device-based, no cloud services or accounts required - Free with no ads or trackers - Open Source (https://github.com/keepalivedev/KeepAlive) - Minimal Battery Usage - Multiple SMS Recipients - Custom Alert Message - Optional: Include Location Information in SMS - Optional: Place a phone call with speakerphone enabled - Optional: Send an HTTP request to a custom URL Requirements Keep Alive requires that your device has an active cellular plan. WiFi calling and messaging will be used if the device supports it. How it Works Keep Alive uses either your device's lock screen or another app(s) to detect activity. If your device hasn't been lock or unlocked for a set period of time, or if you haven't accessed the selected app(s), you will be prompted with an 'Are you there?' notification. If this notification is not acknowledged an Alert will be triggered. Based on the configured Emergency Contact Settings, one or more SMS messages and/or a phone call will be placed to notify others that you may be in need of assistance. Main Settings - Monitoring Method - Choose between using the lock screen or another app(s) to detect activity. If using another app(s), you will be prompted to select the app(s) to monitor. - Hours of Inactivity Before Prompt - how many hours since your phone was last locked or unlocked before you are prompted with an 'Are you there?' notification. Defaults to 12 hours - Minutes to Wait - if the prompt is not acknowledged within this time, an Alert will be sent based on the configured emergency contact settings. Defaults to 60 minutes - Rest Period Time Range - a range of time during which inactivity will not be counted. For example, with 'Hours of Inactivity' set at 6 hours and a Rest Period of 22:00 – 6:00, if the device is last used at 18:00, the 'Are you there?' check would not be sent until 8:00. Note that an alert can still be sent during a rest period if the 'Are you there?' check was sent BEFORE the start of a rest period. - Auto-Restart Monitoring After Alert - If enabled, monitoring will be automatically restarted after an Alert is sent. - Alert Webhook - Configure an HTTP request to be sent when an Alert is triggered Emergency Contact Settings - Phone Call Number (Optional) - when an Alert is triggered a phone call will be placed to this number with speakerphone enabled One or more SMS recipients can be configured with: - Phone Number - the phone number to send the Alert SMS to - Alert Message - the message that will be sent when an Alert is triggered - Include Location - if enabled, your location will be included in a second SMS Privacy/Data Collection No data is collected other than the configured settings. This data is not shared with the developers or any 3rd parties. The only data transmitted is to the configured emergency contacts. This app does not request network or storage access and no data is sent to the developers or any 3rd parties. Disclaimer - Not responsible for SMS or phone call charges incurred by the use of the Keep Alive app - The operation of the Keep Alive app is dependent on the device, software, and network connectivity. The developers are not responsible for any failure due to device malfunctions, software incompatibilities, or network issues.
F-DroidGitHub
Keep Screen On
APK
Keep Screen On allows you to add a quick settings tile, with which you can easily disable screen timeout and then restore the previous timeout value. For example, this may be useful to you if you need the display to stay on temporarily when viewing a website or document or if your device does not have the option to set the screen timeout to never in the settings. Features: - Disable screen timeout or set a specific value - Quick settings tile - Automatically restore timeout when battery is low - Automatically restore timeout when is screen is turned off - Material You - No creepy ads or trackers - No internet permission - Open Source Source code: https://github.com/elastic-rock/KeepScreenOn
F-DroidGitHub
Keep it up
APK
Keep it up checks network services periodically by sending a ping, connecting to a specific port or downloading a site. It can also be used to ensure a connection with a timeout will be kept alive. Features - Create multiple separate network tasks - One task monitors one network service at a specified interval - A task sends a specified number of pings, performs a specified number of connections attempts or downloads a file or a site - Successful and unsuccessful attempts are logged - Downloaded files can automatically be deleted after a successful download or be kept - Notifications can be sent on failure or when a network service goes down or up - A network task can be restricted to WiFi connections, i.e. it does not perform any action on mobile networks with potentially limited download data - The configuration can be exported and imported as a JSON data file - Intervals can be defined during which all background work is suspended for battery saving Permissions - RECEIVE_BOOT_COMPLETED for restarting running networks tasks on device boot - ACCESS_NETWORK_STATE for checking network accessibility - INTERNET for accessing the internet - WAKE_LOCK to keep the device awake while executing a task - FOREGROUND_SERVICE to start the foreground service for running tasks - FOREGROUND_SERVICE_DATA_SYNC to use the foreground service with data transmission - USE_EXACT_ALARM to start networks tasks after expiry of intervals (Android 13+) - SCHEDULE_EXACT_ALARM to start networks tasks after expiry of intervals (Android 11 and 12) - POST_NOTIFICATIONS for sending notifications Note The app uses exact alarms to trigger network task execution. Power consumption during waiting is as high as for a calendar app waiting for reminders to trigger. During execution the power consumption is higher, of course, and short execution intervals cause more overall battery drain. The app works best if you disable battery optimization. If battery optimization is active, network tasks execution may be unreliable especially for short intervals, i.e. they may trigger less often and the trigger time may not be exact. There is a link in the app leading to the Android battery settings for the app. Of course, with disabled battery optimization power consumption may be higher. For Android 15+, it is no longer possible (and no longer necessary) to directly disable battery optimization. Android 15+ provides a setting to allow background activity for an app, which is enabled by default. It is strongly recommended to leave it enabled. The app should work without it, but it can lead to unreliable behaviour.
F-DroidGitHub
KeepOn - Keep your screen on smartly!
APK
Features: KeepOn is free and open-source (FOSS), without any ads/tracks and no Internet use. KeepOn allows you to keep your device's screen on for the desired duration and also allows you to return to the default settings automaticaly when the screen turns off. KeepOn adapts to your device's configuration to easy use! A Tasker/Locale plugin is integrated and allows you to use KeepOn functions from another compatible application! Permissions: - android.permission.WRITE_SETTINGS: Needed by Android to modify screen timeout settings - android.permission.FOREGROUND_SERVICE: Needed to detect screen off events and other screen timeout modifications - android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS: Needed to prevent Android from closing KeepOn while it is running - android.permission.POST_NOTIFICATIONS: Needed to allow KeepOn to display notification while it is running Credits: Libraries: - Coil: https://github.com/coil-kt/coil Fonts: - Roboto: https://fonts.google.com/specimen/Roboto?query=roboto - Bitter: https://fonts.google.com/specimen/Bitter?query=bitter - Open Sans: https://fonts.google.com/specimen/Open+Sans?query=open+sans - Caudex: https://fonts.google.com/specimen/Caudex?query=Caudex - Poppins: https://fonts.google.com/specimen/Poppins?query=Poppins - Lora: https://fonts.google.com/specimen/Lora?query=Lora Source code: https://github.com/twentynine78/KeepOn
F-DroidGitHub
Keepass Fidelity
APK
Keepass-Fidelity adds an interface to view/save barcodes (QR included) to Keepass through the plugin interface of the Keepass2Android app.Launcher: view and launch recent entries (a per entry flag can disable this behaviour)View: view entries from the history or queried from Keepass2AndroidCreate: add entries from the camera, an image of by filling out a form. The entry is then created in the Keepass2Android appData: the app uses the following data Title (entry name), barcode type (QR, UPC, ...), barcode content (number/text content) and a "secure" flag (enable/disable caching the entry).
GitHubIzzyOnDroid
Kenko
APK
Kenko is a workout journal which will provide you with appropriate progressive-overload and well thought-out plansThe app allows you to log your workouts with extraordinary simplicityYou can create completely personal workout plans, and none of your data will be sent to anybodyKenko allows customization of theme with really simple but brutal design
IzzyOnDroid
Kepler-App
APK
Warning! This app is only available in German. There are no translations available. Changelogs are only offered in German. The Kepler app is the ultimate overview app for all JKG students, parents and teachers. It offers many functions that not only provide information about everyday school life, but also allow direct access to all the information you need: - Substitute schedule view with interesting and helpful overviews, such as: - Your timetable (with class and subject selection) - Class plans - Room plans - Free rooms - for teachers Teacher plans and supervision information - Kepler news overview and calendar with important school events - LernSax integration to check new notifications and emails with one tap - Notifications to be informed about timetable changes and new Kepler news as quickly as possible Data protection is also a high priority: all data, such as emails or timetables, are only stored locally. In addition, all these functions only require a one-time login with your own LernSax account.
F-DroidGitHub
K
Kernel Flasher
APK
Kernel Flasher is an Android app to flash, backup, and restore kernels.Features:Flash partition images and AK3 kernel zipsBackup and Restore kernel partitionsMount, Map, and Resize vendor_dlkmSave dmesg, logcat, and ramoopsCheck for kernel updatesNotes:When making a backup of the active slot, to save time, it is assumed that the kernel on disk is the same as the running kernel. The Check Kernel Version button can retrieve it from disk prior to backup.Depending on the method used, the updated contents of vendor_dlkm may not be immediately available for backup after flash or restore. This can be resolved by unmounting, unmapping, then remapping it.AK3 helper modules are not backed up.
GitHubIzzyOnDroid
Kernel Profiler
APK
Kernel Profiler is a free and open-sourced profile based kernel management utility, which helps kernel developers to provide predefined profiles to their users.This app requiresROOT AccessSupport from Kernel Developer (if your favourite kernel developer is not willing to support this app, please do not bother to install)FeaturesSwitch between profiles (no limit in number) provided by the kernel developer in one click (for users).Apply default profile, pre-defined by the developer or assigned by the user, on boot.Completely (almost) customize the interface of app in accordance with the kernel (for developers).Easily create profiles and necessary configuration file within the app (for developers).DocumentationWiki
GitHubIzzyOnDroid
KernelSU
APK
KernelSU is a Kernel based root solution for Android devices. It features kernel-based su and root access management as well as a Module system based on overlayfs (similar to Magisk). KernelSU works whitelist-based: Only App that is granted root permission can access su, other apps cannot perceive su.KernelSU officially supports Android GKI 2.0 devices(with kernel 5.10+), old kernels(4.14+) is also compatiable, but you need to build kernel yourself. WSA and containter-based Android should also work with KernelSU integrated.Current supported ABIs are: arm64-v8a and x86_64.
GitHubIzzyOnDroid
Key Mapper
APK
Make custom macros on your keyboard or gamepad, make on-screen buttons in any app, and unlock new functionality from your volume buttons! Key Mapper supports a huge variety of buttons and keys*: - ALL your phone buttons (volume AND side key) - Game controllers (D-pad, ABXY, and most others) - Keyboards - Headsets and headphones - Fingerprint sensor Not enough keys? Design your own on-screen button layouts and remap those just like real keys! What shortcuts can I make? -------------------------- With over 100 individual actions, the sky is the limit. Build complex macros with screen taps and gestures, keyboard inputs, open apps, control media, and even send intents directly to other apps. How much control do I have? --------------------------- TRIGGERS: You decide how to trigger a key map. Long press, double press, press as many times as you like! Combine keys on different devices, and even include your on-screen buttons. ACTIONS: Design specific macros for what you want to do. Combine over 100 actions, and choose the delay between each one. Set repeating actions to automate and speed up slow tasks. CONSTRAINTS: You choose when key maps should run and when they shouldn't. Only need it in one specific app? Or when media is playing? On your lockscreen? Constrain your key maps for maximum control. * Most devices are already supported, with new devices being added over time. Let us know if it's not working for you and we can prioritize your device. Not currently supported: - Mouse buttons - Joysticks and triggers (LT,RT) on gamepads Security and accessibility services --------------------------- This app includes our Key Mapper Accessibility service that uses the Android Accessibility API to detect the app in focus and adapt key presses to user-defined key maps. It is also used to draw assistive Floating Button overlays on top of other apps. By accepting to run the accessibility service, the app will monitor key strokes while you're using your device. It will also emulate swipes and pinches if you are using those actions in the app. It will NOT collect any user data or connect to the internet to send any data anywhere. Our accessibility service is only triggered by the user when pressing a physical key on their device. It can be turned off any time by the user in the system accessibility settings. Come say hi in our Discord community! keymapper.app/discord See the code for yourself! (Open source) github.com/keymapperorg/KeyMapper Read the documentation: keymapper.app
F-DroidGitHub
Key Mapper GUI Keyboard
APK
This is the official keyboard for Key Mapper that has a GUI (Graphical User Interface). i.e on-screen buttons! Key Mapper GUI Keyboard is a fork of OpenBoard, which is a 100% foss keyboard based on AOSP. The keyboard built in to Key Mapper is called the "Basic Input Method" and does NOT have a GUI.
F-DroidGitHub
KeyCip
APK
We are all aware that our online information is treated as little more than a commodity. In fact, we have naturalised the heavy fines that the big tech giants receive for abusive use of our data. Nevertheless, I strongly believe that our information belongs to us.However, it seems that our hands and feet are tied. Social networks, instant messaging applications or cloud storage are present in our personal and working lives. With it, so is the data we send to these tools, which are monitored by large corporations. Therefore, creating a replacement for each of them seems like an arduous task considering the number of them and the development time it would require.The latter leaves us with the only solution: control the information that we share, deciding who can access it. But how is that possible? The truth is that encryption algorithms have been around for 500 years, performing the tasks of encrypting and decrypting information.So, if there is already a solution, what is the purpose of this application? First of all, you may have been scared when you heard encryption algorithm, don’t worry, you are not alone. KeyCip comes to your rescueKeyCip is an application that allows you to encrypt, decrypt, sign and verify signatures of text, photos, videos and other files using RSA and AES algorithms. Complicated? The application’s greatest virtue is that it has been designed with the aim of making the interface and the whole workflow as simple as possible - so that you don’t even need to learn complex security skills!What does encrypt mean?To encrypt a text, photo, video or document means to hide its content so that only a specific person can know this information, thus ensuring that when the encrypted text, photo, video or document is sent, its content remains confidential.What does decryption mean?Decrypting a text, photo, video or document is the reverse of encrypting, in other words, the original content is returned to the encrypted file by a certain process.What does it mean to sign?Signing a text, photograph, video or document is similar to signing a letter. The content of the text or file is not changed or hidden but allows the recipient to confirm that the person who sent it to them is indeed the person they claim to be.Again, the application will guide you through the whole process. In addition, you can also visit our Youtube channel where you will find guides, in case you have any doubts.Wait, we have one last surprise. KeyCip has its own keyboard with which text encryption and decryption operations can be used from any application. This way, you can have a private conversation with your friend, partner or family member without even leaving the social network or instant messaging application you are using.The best part about the application? It is an open source project, so don’t hesitate to collaborate and do your bit to improve it.
GitHubIzzyOnDroid
KeyGo
APK
Password Manager secure, open-source Android password manager that uses AES encryption to securely store passwords and credit card information locally on the device.Features:Store Passwords and Credit Card informationGenerate secure Passwords and PassphrasesEstimate the Password Strength with nbvcxzAES-Encryption on your local deviceAutofill feature for easy inputSupports Material 3 and Dynamic Color (Android 12+ required)
GitHubIzzyOnDroid
KeyManager
APK
This app helps you to view / delete / create GPG or SSH keys that can be seen at https://github.com/settings/keys. It makes it easier so that you don’t have to go through the website everytime.
GitHubIzzyOnDroid
KeyPass
APK
Disclaimer: Please take a backup before updating to new app. The modern password manager does not store your credentials on servers so your passwords are in your hands, no need to worry. 1. Fully Offline 2. Without Ads 3. Open source (you can view source code) 4. Backup & Restore your credentials 5. Time Based Otp (TOTP) https://github.com/yogeshpaliyal/KeyPass
F-DroidGitHub