Productivity

1843 open source Productivity apps

Daily Pill — Medication Reminder
APK
Ideal if you need to take your medicine every morning. Daily Pill shows a reminder on your lock screen which is visible in the first time you pick up the phone in the morning. Respond with the press of a single button, without unlocking. If you need need to take your medicine on an empty stomach, this app also remembers the exact time when you last took it. Daily Pill is free and open source software. It does not display ads, and does not collect your personal information.
F-DroidGitHub
Daily Screen Time
APK
A minimalist Android application to track your daily screen time and regain control over your attention. Features: * Track daily screen time through a permanent notification * Continuous screen time alerts every 5 minutes * No personal data collection * No internet connection required * Open source and ad-free This application: * Does not collect any personal data * Does not require internet connection * Stores data locally only * Automatically erases data each day
F-Droid
DailyLog
APK
dailyLog is a distraction-free notepad with customizable shortcut buttons. Tired of trying to log workouts on your phone? Want to build a custom habit tracker? Do you follow a template for every journal entry? dailyLog can help. dailyLog works by accessing a single text file of your choosing: keeping your data on your device and accessible in any app you choose. But unlike a blank text file, dailyLog lets you define custom shortcut buttons. Imagine a workout log where tapping the "chest" button pastes "chest press: reps, lbs", allowing you to log your workouts with ease. Or imagine a journal where the "📝" button pastes a list of questions you want to answer every day. Initially designed as a rapid logging system for journaling, dailyLog allows you to quickly add info to a text file with customizable button shortcuts. See the detailed walkthrough with screenshots on the project homepage.
F-DroidGitHub
DanXi
APK
Maybe the best all-rounded service app for Fudan University students! - Campus card balance and transactions - Dining hall traffic - Shortcut for Fudan QR Code (with support for Apple Watch) - View empty classrooms - Tree Hole - View compulsory-exercise records - View timetable and export as .ics file - Show Notices from Academic Affairs Office - View exam schedule and export as .ics file - View final exam GPA and ranking - View school bus schedule Come to our website to know more about DanXi: https://danxi.fduhole.com/
F-DroidGitHub
Dart Checker
APK
Dart Checker takes care of your score, while you are playing darts alone or with friends. Its the better form of a scoreboard. No manual calculating is needed anymore. Just put in your hits, like you would tell or sum up three dart and put in that score. Games * single X01 (301, 501) * SET/LEG (play like the pros) * FREE training mode (variable score) * (CRAZY) CRICKET (CUT THROAT) * ELIMINATION * HALVE IT (Random / Crazy) * AROUND THE CLOCK Features * 1-8 player (except SET/LEG mode) * master, double and single out * master, double and single in * checkout suggestions (all reasonably possible) * unlimited undo in a row of wrong inputs * statistics (about as many matches and player as you like) including possibility to export and import * two input variants (dart by dart or total score of three darts) * random game selection and random player order * power saving dark theme or light one * language: german / english / spanish / french * offline - absolutely no internet connection is needed or used, beside app download ;-)
F-Droid
DashPay Wallet
APK
Note: This is a fork of https://github.com/dashpay/dash-wallet build only from FOSS components. Have your Dash always with you, in your pocket! You pay by quickly scanning a QR code. As a merchant, you receive payments reliably and instantly. Dash Wallet is the first mobile Dash app, and arguably also the most secure! FEATURES * No registration, web service or cloud needed! This wallet is de-centralized and peer to peer. * Display of Dash amount in DASH, mDASH and µDASH. * Conversion to and from national currencies. * Sending and receiving of Dash via NFC, QR codes or Dash URLs. * Address book for regularly used Dash addresses. * When you're offline, you can still pay via Bluetooth. * System notification for received coins. * Sweeping of paper wallets (e.g. those used for cold storage). * App widget for Dash balance. CONTRIBUTE All translations are managed via Transifex: https://www.transifex.com/dash/dash-wallet/ You can find more about Dash at https://www.dash.org/. TESTIMONIALS * A recommended mobile wallet by https://www.dash.org Use at your own risk!
F-DroidGitHub
Data Monitor
APK
Data Monitor is a user-friendly, free and open source app for you to manage your data usage. Data Monitor helps you to accurately measure your daily data traffic, and analyze the data in a way easy to understand. Features: Track daily data usage App-wise data usage stats Stats for different time period (last month, this year, all time etc) Mobile data as well as Wifi usage stats Weekly data usage overview Data Monitor widget and notification Data usage alert Custom mobile data reset time Network diagnostics Live network speed monitor (Beta) App usage time No ads or In-app purchases Light-weight and Open Source Source: https://github.com/itsdrnoob/DataMonitor
F-DroidGitHub
DataBackup
APK
DataBackup is based on speed-backup. It was born with the consent of the author. DataBackup is intended to back up and restore the data of your apps. Root access is needed. It works on arm64-v8a(4 as suffix), armeabi-v7a(3 as suffix), x86_64(2 as suffix) and x86(1 as suffix) devices with Android 9 or higher. Features include: * Multi-user Support * 100% Data Integrity * Fast * Easy * ...
F-DroidGitHubIzzyOnDroid
D
DataStats
APK
Simple bandwidth consumption viewer with configurable polling options.
F-DroidGitHub
DayExam
APK
Day Exam is a powerful exam preparation app that helps you efficiently manage and study exam questions. It now features advanced AI capabilities to parse documents and automatically generate test papers. Key Features: • Question Management - Import and organize various exam questions • AI-Powered Test Paper Generation - Automatically parse documents to create test papers • Learning Tracking - Record learning progress and answer statistics • Multiple Question Types - Support for single choice, multiple choice, and more • Focus Mode - Immersive learning experience This app is completely open source, respects your privacy, and contains no tracking or advertisements.
F-DroidGitHub
DbCleaner for Whatsapp
APK
Android App to help remove Whatsapp database files from external storage. The backup files kept by Whatsapp can sometimes end up taking too much storage space on a phone and this app is meant to help with this problem by removing the backup files that are redundant/ not needed. The user can clear the files manually or schedule the app to automatically remove the redundant files daily/weekly. - Currently the app only scans for backup files in 'WhatsApp' and 'WhatsApp Business' folders. - The main backup file with the name 'msgstore.db.cryptXX' is not deleted and is always kept so that the user can still recover their data should they uninstall WhatsApp at some point.
F-DroidGitHub
DdfGuide.Android
APK
Diese App ist ein Open-Source-Fanprojekt. „Die drei ???“ sind eine eingetragene Marke der Franckh-Kosmos Verlags-GmbH & Co. KG, Stuttgart.Der DDF Guide ist eine Open-Source-Datenbank-App für alle "Die drei ???"-Fans unter Android!Die App enthält alle bisher erschienenen Folgen inklusive Sonderfolgen von "Die drei ???", "Die drei ??? Kids" und "DiE DR3i". Jede Folge kann als "gehört" und/oder Lieblingsfolge markiert werden.Es gibt eine Vorschaufunktion, die die Folgen enthält, die als nächstes veröffentlicht werden (soweit bereits bekannt). Am Releasetag erhälst du dann sogar eine Benachrichtigung auf dein Handy: So verpasst du nie wieder eine neue Folge!Es ist eine Zufallsfunktion vorhanden, die eine willkürliche Folge anzeigt. Lass doch einfach mal den Zufall entscheiden, welche Folge du heute hörst!Mit den Such-/Filter- und Sortierfunktionen können Folgen organisiert werden. Es lassen sich so z.B. alle Folgen suchen, in denen Skinny Norris mitspielt oder in denen Bastian Pastewka spricht.
GitHubIzzyOnDroid
De-Bloater
APK
De-Bloater is an application using the power of Magisk/Kernel SU/APatch to de-bloat unwanted applications systemless-ly. It easily remove system apps from "/system", "/vendor", and "/product" directories. De-Bloater requires Root Access and a fully functional Magisk or Kernel SU/APatch environment, including modules, for proper working. As a result, De-Bloater won't work with other rooting solutions as well as in Magisk core-only mode. Features - Easily remove system applications from "/system", "/vendor", and "/product" directories (Reboot required). - Restore de-bloated apps, either individually or as a whole (Reboot required). - Includes pre-defined de-bloated scripts (Universal Android and Tomatot debloater). - Elegantly designed user interface with an auto-dark/light theme. - A lot more. How to Use Open the app, click the remove button on each app you want to remove. The selected apps will be removed systemless-ly after a reboot. To restore an app, either Reset Module (on the top menu) or selectively restore from the second page. Please note that a restart is necessary to get any of the changes in effect. The app will systemless-ly replace the selected APKs by making a Magisk/Kernel SU/APatch module. As a result, you will see a new Module (name: De-bloater). Troubleshooting In case, if you accidentally remove some important apps and your phone bootloops, please delete "/data/adb/modules/De-bloater" via recovery. Translations Please help me to translate this application via POEditor. You may also translate after downloading the original language string available here. Please Note Please be noted that De-Bloater contains its own auto-update implementation, which is only (from v0.10 onwards) available for installation from GitHub release page (and consequently, for IzzyOnDroid). In that case, APK files provided by the developer is directly acquired from the official GitHub release page.
F-DroidGitHubIzzyOnDroid
De1984
APK
De1984 is a powerful Firewall and Package Manager for Android devices with multiple backend support for maximum flexibility and performance. The name **De1984** is inspired by George Orwell’s novel Nineteen Eighty-Four, reflecting the app’s philosophy of resisting surveillance and reclaiming digital privacy. It symbolizes a reversal of the dystopian control described in the book, empowering users to take back control over their devices and data. FIREWALL FEATURES - Multiple firewall capabilities: iptables (root/Shizuku), ConnectivityManager (Android 13+), and VPN fallback - Automatic firewall method selection based on device capabilities - Comprehensive iptables method for rooted devices provides kernel-level blocking with superior performance - ConnectivityManager for Android 13+ devices without root - VPN backend as fallback for maximum compatibility (no root required) - Block apps from accessing WiFi, Mobile Data, or Roaming independently - Global firewall policies: "Block All by Default" (allowlist) or "Allow All by Default" (blocklist) - Screen-off blocking to save battery and data - Real-time network state monitoring and automatic rule application PACKAGE MANAGEMENT (with Shizuku or root) - Enable/disable system apps - Force stop running apps - Uninstall system and user apps - Works with Shizuku (no root required) or traditional root access - Filter packages by system/user apps, enabled/disabled state - Search functionality for quick package lookup PRIVACY FIRST - Zero tracking or analytics - No telemetry - Local-only data storage - No proprietary libraries - No Google Play Services - 100% open source (MIT License) - Buildable from source REQUIREMENTS - Android 8.0 (API 26) or higher - For iptables firewall: Root access OR Shizuku in root mode - For ConnectivityManager firewall: Shizuku + Android 13+ - For VPN firewall: VPN permission (no root required, works on all Android versions) - For package management: Shizuku or root access PERMISSIONS - ACCESS_NETWORK_STATE: Monitor network connectivity for automatic rule application - BIND_VPN_SERVICE: Create local VPN for VPN-based firewall backend - QUERY_ALL_PACKAGES: View all installed apps - POST_NOTIFICATIONS: Show notifications for new app installations (optional) - RECEIVE_BOOT_COMPLETED: Auto-start firewall on device boot - Shizuku or root access: For iptables firewall and package management (optional) OPEN SOURCE Source code: https://github.com/dorumrr/de1984 License: MIT Issues: https://github.com/dorumrr/de1984/issues Late nights for brighter days. Created by Doru Moraru
F-DroidGitHubIzzyOnDroid
DeadHash
APK
DeadHash is an utility to calculate file and text hashes. The following hash calculations are supported: * MD5 * SHA-1 * SHA-224 * SHA-256 * SHA-3 * SHA-384 * SHA-512 * CRC32
F-DroidGitHubIzzyOnDroid
Debitum
APK
With Debitum you can track all kinds of IOUs, be it money or lent items. This way you will never more forget if your friend already gave you back that book or dispute about how much you owe your colleague for coffee. The intended use case is to manage (smaller) personal debts and lent items. To keep things simple, things like interest, deadlines, fees etc. will not be an integral part of the app (though the description could somehow be used for that, but I would generally recommend to use more specialised apps for this). You can backup and restore the database where persons and transactions are stored. There is no online service whatsoever involved, so your data is saved on your device only (as far as this app is concerned). Keywords: IOU, debt, lend
F-DroidGitHub
DebtCalc
APK
Welcome to the DebtCalc, The one of the best app for calcuting your debt at your finger tips. This app doesn't require any kind of permission, nor save your data locally or remotely. ════ ⋆★⋆ ════ NO ADS and NO CHARGES ════ ⋆★⋆ ════
F-Droid
DecSync CC
APK
DecSync CC synchronizes contacts, calendars and tasks using DecSync. It stores this data in a shared directory, using Syncthing, Google Drive, Dropbox or any other file synchronization service. Syncthing synchronizes files directly between devices, without storing the data centrally or requiring a server. DecSync CC works with any file synchronization service, but using Syncthing is recommended as your data stays on your devices. The UI is based on the one used in DAVx⁵.
F-DroidGitHub
Decimal Time Clock Widget
APK
Add a decimal clock widget to your homescreen. * Time of day represented in 100 time units, each divided in 100 equal parts. * Date can be represented on both the Gregorian format and Isaac Asimov's World Season Calendar format.
F-DroidGitHub
Decisions
APK
Write down pros and cons, then weigh all arguments and get a recommendation based on this Time Article: http://time.com/3772262/billionaire-trick-for-decisions/ This is open source: https://github.com/markusfisch/Libra Please report bugs here: https://github.com/markusfisch/Libra/issues
F-DroidGitHub
Decred Address Scanner
APK
This app stores Decred addresses and periodically (~ every 30 minutes) checks specified addresses for balance changes. You can star addresses to be notified when balances change. Input of addresses can be done by scanning QR codes or pasting from the clipboard. Addresses can be then be given aliases.
F-DroidGitHub
DeepL
APK
This is an unofficial Android app for DeepL translation. It uses a technology called WebView, an Android GUI component, to make it look like a native app. JavaScript is used to hide all but the most necessary elements. Features: * Display only the translation screen by WebView * Switching to dark mode * Launch DeepL from floating text selection action * Long press on the application icon to access the settings screen
F-DroidGitHub
Deepr
APK
Do you constantly come across interesting articles, videos, or websites but don't have time to read them right away? Deepr is the essential tool you've been missing! Deepr is the perfect tool for saving and organizing all your links in one place. Stop manually typing long URLs or digging through old notes. With Deepr, you can save any link instantly and read it whenever you're ready. Focus on enjoying the content you saved, not on finding it again. Features: - Save and Organize Links: Easily save and manage a list of all your favorite links in one clean list. - Open Links: Access and open your saved links directly from the app. - Search: Quickly find specific links from your saved list. - Sort: Organize your links by date or how many times you've opened them. - Read Later Counter: Keep track of how many times each link has been opened. - Home Screen Shortcuts: Create shortcuts for your most-used links on your device's home screen for quick access. - Tags: Organize links using tags. - Backups : Take Backups in CSV file or a text file. Deepr is a free, open-source project. We welcome contributions from the community! Download now and take control of your "read-later" list.
F-DroidGitHub
Deine Rechte
APK
Auch Polizei, Staatsanwält*innen und private Sicherheitsdienste dürfen nicht alles. Kennst Du Deine Rechte, so kannst Du Dich besser wehren und bist weniger leicht einzuschüchtern – zum Beispiel wenn Du beschuldigt wirst, eine Straftat begangen zu haben, oder wenn Du weggewiesen wirst, weil Du angeblich Leute beim Shoppen störst. Diese Broschüre gibt Dir einen Überblick über Deine wichtigsten Rechte. Ganz hinten findest Du Adressen von Organisationen, die Dir weiterhelfen können, wenn Du etwas genauer wissen willst.
F-Droid