Productivity

Voltage Drop Calculator helps you calculate the voltage drop in electrical installations and stay within wiring code limits. It can either calculate the voltage drop from given line parameters, or suggest limits for current, wire gauge and length to keep the voltage drop within a given limit.

Voltascano shows Android phone’s real-time battery voltage. The information is always visible in an icon in the status bar and in a notification, even while you use other apps. Practical uses of monitoring battery voltage: 🔋 Check battery real health Spot signs of battery degradation. Watch for sudden or irregular voltage drops—these are early signs that the battery is degrading. 🔌 Catch bad chargers or cables During charging, voltage should rise smoothly (e.g., 3.7 V → 4.2 V). If it stays flat or jumps irregularly, the cable or adapter is likely defective. 💀 Avoid unexpected shutdowns Monitoring voltage lets you see the exact point where the phone shuts down from low battery. Helping you avoid surprises like the device shutting down at 30% charge. 📈 Save money on unnecessary battery replacement Monitor battery’s voltage to know its true health and decide a battery replacement only when it is actually needed. ⚠️ Prolong battery lifespan Batteries experience high stress when charged to their maximum voltage, which often happens before the charge indicator shows 100%. By monitoring voltage, you can unplug your phone at the optimal point to reduce stress and extend battery life. 🔎 Evaluate aftermarket replacement battery capacity Quickly know a replacement battery’s quaity. A good battery holds stable voltage under load, while a poor-quality battery drops quickly under use and spikes sharply when charging. The Voltascano Battery Voltage Display app is a tool for anyone who wants detailed insights into their Android smartphone’s battery health. Key Features: - User-Friendly Interface: Designed with simplicity in mind, ensuring easy navigation and quick access to vital battery data. - Automatic Startup Support: Enables continuous monitoring without requiring manual app relaunches after a reboot. - Resource Efficiency: The app operates with minimal RAM usage, ensuring it does not interfere with system performance. - No Hidden Processes: Unlike many background apps, it does not run covert services, preventing unnecessary battery drain. - Manual Exit Functionality: Allows users to completely exit the app with a single button press, ensuring full control over system resources. - Ad-Free Experience: The app is entirely free to use without any intrusive advertisements disrupting the user experience. - Wide Compatibility: Works seamlessly on devices running Android 8 and newer versions. Created by Eugen Barilyuk EB43 https://eb43.github.io

Features: * Manage volume of your device: call, ring, notifications, media * Create custom volume profiles * Manage volume from notification bar (optionally) * Small APK size * Light and dark theme

Tiny (~100kB) Android app that show a volume icon in the status bar and provide some tweaks for the volume control. Application has no launcher icon and can be enabled and configured via Settings → Accessibility. To enable the accessibility service for your newly installed app, follow these quick steps: 1. Allow Settings: Open Settings → Apps → find and select Volume Icon. 2. Remove Restriction: Tap the three dots in the top-right corner and select Allow restricted settings. Authenticate with your PIN or fingerprint. 3. Enable Service: Go back to Settings → Accessibility → select Volume Icon and turn the switch ON.

Access your system’s sound sliders straight from the notification drawer or from quick settings for Android N (Android 7.0+)! This is particularly useful for when you want to keep or share any media streaming during a voice call. Or simply when access to physical buttons is limited.

VolumeTile is a very small app (less than 20 kB!) that lets you add a volume tile in QuickSettings.

VolumeLockr allows you to control and lock the volumes of your device.

VolumeScroll is a lightweight Android utility that lets you scroll in apps using your volume buttons. Try this way of scrolling and you might not want to go back! Possible advantages of page-by-page scrolling: - Less distracting - Easier to hold your phone tightly in one hand - Some research suggests paging may help with attention and information recall Especially great for reading articles, essays, books and other long-form text content. Akin to "flipping pages" on physical media. --- Features: - ability to select apps in which volume-scrolling will be enabled - customizable scroll amount - invert direction option - dual-volume-button shortcut toggle - Quick Settings tile - aesthetic minimalist Material You UI How it works: VolumeScroll uses an Accessibility Service to perform global scrolling actions across apps. Privacy notes: - No internet permission is required. - Accessibility access is only used for scrolling and key handling features.

A simple, privacy-focused volume control shortcut for Android via Quick Settings. Features: * Quick Access: Control your system volume directly from the Quick Settings panel. * Privacy Focused: Works entirely offline. No internet permissions, no tracking, no telemetry. * Lightweight: Tiny app footprint with zero background battery drain. * Open Source: Licensed under Apache 2.0.

VotAR is an Augmented Reality audience Voting or audience survey system. Your audience hold some papers with a special printed symbol to vote, and as the speaker you take a photo of it with this app, it will analyze the photo to count the votes.

If you receive vouchers (from, say, sodexo) which have a fixed value and you need to pay a certain amount, you may wonder how many vouchers you have to spend and how much tip you may be giving with an additional voucher. Features: * Enter price you need to pay * Select the maximum number of vouchers you carry * It shows how much you still have to pay * Or how much extra you'd give with an additional voucher

Voucher Vault helps you keep track of all your vouchers, gift cards and loyalty cards. Features include: * Supports several types of barcodes, including plain text * Keep track of expiry dates * Keep track of gift card balances * Assign each voucher a different color

Voyager is an open-source file manager for Android with built-in SFTP, FTP, SMB, and WebDAV access, built with Material Design 3 and Jetpack Compose. Features: • Local file browsing with file management (copy, move, rename, delete, create) • SFTP remote access, with password, keyboard-interactive, or private key authentication • FTP remote access • SMB/CIFS network share browsing • WebDAV remote access • Copy and move files between local storage and a remote server, in both directions • Download remote files and folders to the device • Multiple browser sessions for local and remote locations, with a session switcher • Mounted external storage volumes, such as SD cards and USB/OTG, listed alongside internal storage • 20 built-in themes including Catppuccin, Nord, Solarized, Gruvbox, Rosé Pine, Tokyo Night, and High Contrast • Custom theme support • AMOLED black theme • List and grid view modes • Bookmarks and quick access • Storage usage overview • Hidden files toggle • Multiple sort options (name, size, date, type) • Multi-select with copy/cut/paste • Material You dynamic color support (Android 12+) Privacy: • No analytics or tracking • No internet access required for local browsing • All network connections are user-initiated • Fully open source (GPLv3)

WADBS (short for Wireless Android Debugging Bridge Switch) is an app that allows you to switch Android's Wireless Debugging feature on and off quickly. It provides several widgets and a quick settings tile to do this. You can also instantly connect to your PC using KDE Connect's clipboard sharing feature (see scripts).

WHPH is a comprehensive productivity app designed to help you manage tasks, develop new habits, and optimize your time. It tracks application usage to enhance focus, allowing you to analyze your progress, celebrate achievements, and stay motivated. Key Features: • Task Management: Organize and track your daily tasks efficiently • Habit Tracking: Build and maintain positive habits with progress monitoring • Time Optimization: Analyze your time usage patterns and improve productivity • Application Usage Tracking: Monitor how you spend time on different applications • Progress Analysis: View detailed insights into your productivity patterns • Achievement System: Celebrate milestones and stay motivated Why Choose WHPH? WHPH combines multiple productivity tools into one unified experience. Whether you're looking to manage your daily tasks, build better habits, or understand how you spend your time, WHPH provides the insights and tools you need to enhance your productivity and achieve your goals. The app is designed with privacy in mind • all your data stays on your device, giving you complete control over your personal productivity information. Supported Platforms: • Android • Windows • Linux Start your journey to better productivity today with WHPH!

Offline version of the wtf acronyms database frontend as shipped with The MirOS Project. It uses the same database, which at the time of writing knew about more than 19000 expansions for over 13000 acronyms.

Frontend for WWWJDIC. For more details, see the FAQ. Dictionary search supports romaji lookup, but you need a Japanese IME to use all features. * Full tablet support * Japanese pronunciation (via a separate, non-free app) * Text to speech for kanji and dictionary entry translations * Multi-radical kanji search * Kanji of the day widget * Japanese sentence translation * Example search with approximately 150,000 examples (Japanese/English pairs) * Example word breakdown/translation * Animated stroke order diagrams for over 6000 kanji * History and favorites with backup and restore * Favorites export to CSV and Anki * Handwriting recognition (via a separate, non-free app) * Optical Character Recognition (WeOCR; author's server) * OCR-based handwritten kanji recognition, does not require correct stroke order A proprietary analytics library was removed before building, so the analytics switch in the preferences isn't relevant. Anti-feature: Tracking. Crash reports are sent by default, though that can be disabled.

Wa-Tor simulates a torus (or donut shaped) world with two species: shark and fish. The fish happily reproduce while the shark need to eat fish to survive. Wa-Tor was devised by Alexander Keewatin Dewdney and originally presented in the December 1984 issue of Scientific American.

WaDoku is a Japanese-German online dictionary. It uses the API of wadoku.eu to get the vocabulary data.

Waistline is a libre calorie counter and weight tracker that allows the user to keep a diary of the food they eat and variations in their weight. All data is kept on the user's device and can be exported or imported easily when needed. The app includes a barcode scanner that connects to the Open Food Facts database to pull in product information.

WakeUpScreen is an open-source Android app that gently wakes your display the moment a notification arrives. No cloud, no clutter, no compromise. Features: • Instant Wake — Your screen lights up the moment a notification arrives. Never miss what matters while your phone sits on the desk. • Pocket Mode — Intelligently detects when your phone is in a pocket or bag, and stays off. Saves battery where it counts. • App Filtering — Choose exactly which apps can wake your screen. Full control over what deserves your attention. • Dark Mode — A beautiful dark interface that feels at home on any AMOLED display. Easy on the eyes, easy on the battery. • No Internet — Runs entirely on your device. Zero data collected, zero servers contacted. Your privacy is absolute. • Lightweight — Minimal footprint, negligible battery impact. Built in Kotlin for native performance that just works. How It Works: 1. Install and grant notification access. Only this single permission is required — your data never leaves your device. 2. Choose which apps can wake your screen. Let important messages through, filter the noise. 3. Live your life. WakeUpScreen runs silently in the background, lighting up on notification and staying dark in your pocket. Additional features (all toggleable): • Custom wake duration • Do Not Disturb awareness — pauses wake-up while DND is enabled • Sleep mode with custom quiet hours • Persistent notification filtering — skips long-running notifications like music and navigation • Charging-only filter — only wake when the device is charging • Notification log with channel info (importance, sound, vibration) • Function test page for diagnosing notification events Built with Jetpack Compose and Material 3. Licensed under GPLv3. No ads, no tracking, no network permission.

Wake Lock gives you access to Android's Power- and WifiManager. You can use it on any Android phone or tablet. Examples of what it can do for you: Force the PowerManager to keep the screen on Have the CPU still running in standby mode Ensure the Wifi connection keeps running at full performance Keep the screen on in full brightness or dimmed mode during movies Override power saving measures if they are causing issues This is the modernized version of my app "WakeLock - PowerManager". What the permissions are used for: WAKE_LOCK, to obviously be allowed to acquire wakelocks. RECEIVE_BOOT_COMPLETED, to start the app after device reboots. READ_PHONE_STATE, to act on start/ending calls, allowing the app to acquire a lock just for the duration of the call. INTERNET, for automatic crash tracking. There is an option to disable this, but why would you 🙁?

Wall You is a Wallpaper App built with Material Design 3 (You). For that matter, the app supports a wide range of wallpaper sources. Most of them are unfortunately nonfree however, thus the anti-feature. Features: * Wallpaper Browsing and Downloading * Automatic Wallpaper Changer * Favorites List * Wallpaper History * Image Filter Effects

Wallet is the ultimate privacy-first vault for your credit, debit, loyalty, and identity cards. Designed with a zero-knowledge architecture, Wallet ensures your most sensitive information stays exactly where it belongs: encrypted on your device. Why choose Wallet? 🚫 TOTAL PRIVACY (OFFLINE BY DESIGN) Wallet does not have internet permission. Your data never leaves your device, making it 100% immune to cloud leaks, remote hacks, or third-party tracking. True privacy is offline. 🛡️ MILITARY-GRADE ENCRYPTION Every detail—card numbers, images, and custom fields—is protected using industry-standard AES-256-GCM authenticated encryption with Argon2id key derivation (RFC 9106). Your master key stays safely in your device's hardware keystore. 🎨 PREMIUM "LIQUID GLASS" DESIGN Experience a beautiful, modern interface with glassmorphism effects, smooth staggered animations, and full support for premium Light and OLED Dark modes. 📲 APPLE WALLET & PKPASS SUPPORT Easily import your digital passes and tickets. Support for .pkpass files allows you to move your boarding passes, coupons, and event tickets into a secure, offline vault. 🔐 BIOMETRIC PROTECTION Secure your vault with your fingerprint or face unlock. Authentication is required on app start, and before destructive actions like backup restore or data deletion. 🔄 SECURE ENCRYPTED SHARING Share passes or loyalty cards securely via End-to-End Encrypted (E2EE) QR codes. Your data is encrypted for transfer and can only be decrypted by another instance of the app. 💾 SECURE BACKUPS Create encrypted backups (.wbk) of your entire vault, including passes, and settings. Every backup is protected by Argon2id key derivation, memory-hard and resistant to GPU attacks. 📸 ENCRYPTED CARD SCANS Store high-quality, encrypted images of the front and back of your physical cards. Access them digitally whenever you need them, without compromising your security. Key Features: - 100% Ad-Free: No distractions, no tracking, just your cards. - Smart Detection: Automatic card network detection (Visa, Mastercard, RuPay, etc.). - Custom Fields: Add unique data points to any card or pass. - Tap-to-Copy: Instantly copy details for seamless online transactions. Protect your identity and simplify your life. Experience the peace of mind that comes with true local security.