Android

Caffeinate is an App that helps android developers to keep their phone's display awake without having to change the device settings. It can be toggled at various places:a tile in the quick settings, the place that holds the toggles for e.g. Wi-Fi and Bluetooth. Requires Android 7 or higher. a button in the app itself Features Uses android's WakeLock Class with either SCREEN_DIM_WAKE_LOCK or SCREEN_BRIGHT_WAKE_LOCK lock level based on user settings Timeout period is configurable Switch timeouts from the quick settings tile or the button in the app. clicking them, selects the next timeout and after 1 second the timeout will start, if the quick settings tile or the button are clicked after starting, the timeout will stop. Available timeouts are [30 seconds, 05 minutes, 10 minutes, 15 minutes, 30 minutes, 60 minutes, Ꝏ] An option to enable the screen to dim while the WakeLock is acquired An option to enable holding the WakeLock if the screen is locked, so that the screen will keep on after unlocking, default behaviour is that the WakeLock is released when the screen is locked Multiple theming options [light, dark, system default and material you]

Note: author declared end-of-life for this app, so future updates are unlikely. Caffeine is an app that keeps your phone awake for a certain time. Time options are 1, 5, 10, 30, and 60 minutes. There is also an infinite time option.

CajuScan is a mobile Android application, developed in Flutter, that simplifies expense recording in Portugal. The app allows you to scan the QR Code (ATCUD) present on Portuguese invoices, automatically extract transaction data, and send it to the financial management app Cashew. The goal is to automate the manual process of entering expenses, saving time and reducing errors. Features: - Scan ATCUD QR Codes from Portuguese invoices - Automatic data extraction (amount, date, vendor, etc.) - Integration with the Cashew app for financial tracking - Simple, usability-focused interface Developed with privacy in mind: no tracking, no ads, no data sent to external servers. Open source under MIT license — contributions are welcome!

Making an appointment means Add date, time and title of the appointment to the Android-Calendar In Android-Calendar-Detailview use Send/Share (from menu or toolbar) Select "CalEF" as share destination (to convert to human readable text) Select the final Send/Share destination (clipboard, sms, mail, ...) Usually calendar entries are shared in a human-unreadable technical format "ICS" (or "VCS") that calendar programs can read. CalEF receives the technical format and re-sends/re-shares it-s content as human readable text. Date/Time is formatted according to current language/locale. CalEF can also process "ics" (or "vcs") files (i.e. from a calendar backup). Requirements: Android-4.4 (api 19) or later. Permissions : None Compatible with Etar-Calendar version 1.0.29 or later (January 2022) Simple-Calendar version 4.0.0 or later (May 2018) Buildin Android-Calender (Tested with android-10 on LG device) Backup Calendar Import-Export version 2.4 or later (November 2016)

⚠️ Note: This app is designed specifically for Simplified Chinese environment and only supports Chinese time expression parsing. Automatically create calendar events from notifications received from work and social apps by parsing Chinese time expressions. Features: • Automatically recognizes Chinese time expressions in notifications (e.g., "明天下午3点" = tomorrow 3pm, "周五晚上8点" = Friday 8pm) • Supports rich Chinese relative time parsing ("3天后" = in 3 days, "1个半小时后" = in 1.5 hours) • Supports fuzzy time expressions ("今晚" = tonight, "下午" = afternoon, "周末" = weekend) • Customizable keyword filters and app whitelist • Multiple calendar selection support • Fully offline, no internet permission required • Privacy-respecting, data never leaves your device Use Cases (Chinese social/work apps): • WeChat/QQ group notifications: "明天下午3点开会" (meeting tomorrow 3pm) • Work notifications: "周五晚上8点项目汇报" (project report Friday 8pm) • Social plans: "下周二一起吃饭" (dinner together next Tuesday) Permissions: • Calendar access: Read and create calendar events • Notification access: Read system notifications to extract time information • Foreground service: Keep service running in background • Exact alarm: Used for crash recovery mechanism • Query packages: Used for app picker to display installed apps This app contains no ads, tracking, or data collection. Target audience: Chinese-speaking users who use Chinese messaging and social apps. Note: Github Release version uses private signing, although both are built automatically by Actions, the signatures of the two packages are different.

CalcYou is a privacy focused calculator app that is not just a calculator. Solve everyday problems with the intuitive basic calculator, or delve into advanced functions with the powerful scientific calculator. Feeling lost in a sea of units? CalcYou's versatile unit converter can convert lengths, weights, volumes, and more. Need to express complex equations? Access a vast library of symbols, including Greek letters, arrows, superscript, and subscript, all with a few taps. You want to quickly draw a mathematical function to understand its shape? No worries, CalcYou can plot it for you.

A simple mental calculation trainer with this features: - contains the four elementary arithmetic operations and the prime factorization - configurable task types and diffculty - configurable number input field - statistic about the performance - multi user support - time trial mode (solve as many tasks as possible within a defined time) with tasks depending on the wall clock time so that one can play "against" another one with the same tasks

Calculator Hide File App is a smart Android app that looks and works like a regular calculator but secretly functions as a secure file vault. Keep your private images, videos, documents, and other files safe with a hidden passcode while enjoying a fully functional calculator interface.Key Features:Dual Functionality: A real calculator that doubles as a hidden file vault.Secret Passcode: Unlock your hidden files with a private code only you know.Secure File Manager: Hide, unhide, and organize your files easily and safely.Fast & Lightweight: Smooth performance on all Android devices.No Root Required: Fully functional without rooting your device.File Encryption: Protect your hidden files with strong encryption.Why Choose Calculator Hide File App?Completely secure and discreet – no one will suspect your files are hidden.Works like a normal calculator while keeping your private files safe.Supports images, videos, documents, and other file types.Open-source and transparent – you can inspect the code yourself to ensure your privacy.How It Works:Use as a Regular Calculator: Perform standard arithmetic operations without revealing the hidden vault.Enter Secret Passcode: Type your code and press "=" to access your hidden files.Manage Hidden Files: Add, remove, and organize files safely. Files remain protected even after closing the app.Requirements:Android 6.0 or higherStorage permissions enabled“Manage All Files” permission for Android 11+ devicesTechnologies Used: Kotlin, XML, Secure internal storage & MediaStore APIWhy You’ll Love It: Keep your files completely hidden, enjoy a real calculator interface, and benefit from an open-source, lightweight, and secure app. Protect your privacy with ease!

How many times did you want to use calculator without suspending the app that you are currently using? Now it's possible with Calculator application in the notification area. The app is very minimalistic, but it includes all the essential functionality, including copying and pasting data. Design was inspired by the official Android calendar application. On Android Nougat and later you can add settings tile for the Calculator, so you do not need to leave any app to launch the Calculator.

Discover the ultimate calculator experience with our beautifully designed app, featuring 60+ stunning color themes to match your style. Whether you're tackling complex scientific equations or simple everyday calculations, our powerful and user-friendly interface makes it all easy. Key Features: 🎨 Beautiful Design & 60+ Color Themes: Personalize your calculator with a choice of 60+ vibrant color themes, making every calculation visually enjoyable. 🔬 Scientific Mode: Access advanced mathematical functions with our comprehensive scientific calculator, perfect for students, engineers, and math enthusiasts. 🕒 History: Easily track and review previous calculations with our handy history feature, ensuring you never lose important work. 📏 Unit Converter: Convert units effortlessly with our built-in converter, supporting a wide range of measurements, including length, weight, and more. 👌 User-Friendly Interface: Enjoy a clean, intuitive interface designed for effortless navigation and efficient calculations. Whether you're a student, professional, or anyone in between, our calculator is your go-to tool for all your math and conversion needs. Download now and elevate your calculation experience! Made not with love❤️, but by love❤️.

Calculator-inator is a Calculator & Converter for Android inspired from Google's Calculator App. The app features: Basic & Advanced Calculator with logarithmic and trigonometric functions. Length, Area, Mass, Speed, Pressure, Data, Volume, Time, Temperature, Angle Live Currency Converter.

The only fully-functional open-source calendar app with Material You.

A simple app to change the color of a calendar in android 6+. Tested with calendars provided by baikal. Kown Issues: The color is slightly different from what the google calendar app is showing. The google calendar app seems to tweak the colors a little bit. Colors set in owncloud are also slightly different in the google calendar app. The colorchanges back after some time: Many calendar services will overwrite the color when syncing. Set the color directly in the service (e.g. google, owncloud) instead. Thanks: HoloColorPicker - https://github.com/LarsWerkman/HoloColorPicker

This app allows you to import/export your calenders using ics files without using Google synchronization services. Features: * Export/Backup to ics file * Import from SD card or server * Supports ics (iCal, iCalendar) files

Trigger various actions on different types of calendar event, and handle overlapping events wanting different ringer states in a sensible way (the "quietest" state wins). Also the start and end actions for an event can be delayed until the device is in some particular state.

Unofficial companion application for Calibre Web and Calibre Web Automated that lets you browse your book collection and manage your digital library on the go. Built with Flutter and Material You to deliver a modern, intuitive and responsive user experience. Supported features: Browse your Calibre Web library View books by author, series, trending, and more View detailed book information Access comprehensive collection statistics Library management Mark books as read or unread Archive and unarchive books Organize books into shelves Manage and customize your shelves Reading & devices Download books directly to your device Send books to your e-reader (Kindle/Kobo) via send2ereader Use Calibre Web's mail function for device delivery Automation integration Works with Calibre Web Automated Automatically download books with calibre-web-automated-book-downloader Please note that the app is currently in active development. You can open issues on GitHub for bugs, feedback, and feature ideas. Credits: Calibre Web, Calibre Web Automated, send2ereader, calibre-web-automated-book-downloader

A privacy-focused bodyweight training tracker. Customize everything — exercises, training methods, and workflow — to match your needs. No rigid templates. Adapt the app to your training style. To Do • Plan your workout as a list, tap to jump directly • Schedule repeats by day of week to automate your weekly routine Record Mode • Quickly log your workouts after training Workout Mode • Auto-guided training with built-in timers • Single: Timer-assisted rep counting and isometric hold tracking • Program: Create and run multi-exercise routines in sequence • Interval: Timed work/rest cycles with customizable rounds • Programs and intervals are built by freely combining your own exercises Exercise Creation • Create any exercise with any name, organize into groups • Choose rep-based (dynamic) or time-based (isometric) tracking • Support for unilateral (one-sided) exercises • 10-level progressions to match your method • Optional distance, weight, and assistance tracking • Favorite exercises (★) for quick access • Add optional description notes to each exercise Progress Tracking • Calendar: See your training activity at a glance • List: Browse all sessions chronologically • Graph: Visualize trends with average/max/total stats • Challenge: Color-coded goal achievement tracking • Period filters (1 week, 1 month, 3 months) Data Management • Export/import in JSON/CSV format • Your data stays on your device, no internet required Convict Conditioning, StartBodyweight, RR (Recommended Routine), HIIT, circuit training — whatever your method, this app adapts to you.

Call Counter helps to manage the call and SMS plan contracted on your mobile phone. The App display the minutes consumed by outgoing calls and the number of SMS messages sent in the current month (by default) or in a selected billing cycle. A selected range of dates can also be queried. The App is available in English, German and Spanish.

Call Limiter is a simple, open-source Android app that helps you take control of your phone calls. Set time limits for specific contacts and let the app automatically hang up when the limit is reached — making it easy to save time, avoid distractions, and manage conversations better. Features: Per-Contact Call Limits: Define custom call durations for individual numbers. Automatic Hang-Up: Calls are disconnected when the chosen time is reached. Easy Time Selection: Choose limits using a bottom sheet scroll wheel for a smooth experience. Global Call Limit: Set default time limit for all contacts. Persistent Storage: Your limits remain saved until you decide to change or delete them. Flexible Editing: Update or remove call limits anytime with ease. Emergency Buffer: Add a few extra seconds for urgent or unexpected needs. Modern Theming: Supports both light and dark modes, adapting to your system theme. Privacy-Focused: Works entirely offline — no internet, no tracking, no data sharing. Stay in control of your conversations with Call Limiter — lightweight, private, and designed to fit seamlessly into your daily calling habits.

In our office, we synchronize the call logs from android with the call logs of our local telephone system and analyze them. We can get up to 95% of the calls with the call log of our local telephone system during our office times. But we need the call logs from our "attendance" android phones too, which are used outside of our office times.With this android app, you can sync your call log with a remote endpoint.Privacy Policy:The app only sends the call log to the specified remote endpointThe app does not collect any data at allThe app does not send any data to third party services

With this app you can forward your calls on a simple push of a button. Be it in the app or from a widget.Features:save up to three phone numberssimply switch between thoseResizable widget displays current call forwarding status

Uses a web service to provide information about an incoming caller based on their number. It works in certain European countries, the U.S., Canada and Australia: see the website for more information. The web service is also FOSS.

With the Calliope mini, countless creative possibilities are at your fingertips. Whether you want to build a robot or transmit messages: With just a few clicks, you can create your own programs in no time and get things moving. In addition to 25 red and three RGB LEDs and two programmable buttons, the board contains a combined position sensor with motion sensor and compass as well as a Bluetooth module that Calliope mini can use to communicate with other devices.

With Calorimeter you can track your daily calorie intake. Build your own database of your favorite foods. Or scan the foods that you buy. As simple as it gets.