Productivity

1843 open source Productivity apps

Sigfood
APK
Get the current menus served at the university canteen of southern Erlangen. * Up-to-date menu * Pictures * Comments * Ratings
F-DroidGitHub
SignalID
APK
There’s an incredible amount of radio signals. It’s impossible to know them all, let alone recognize them. So why not get help from SignalID?At the moment, it recognizes about twenty signals (complete list in the application). With only 5 seconds of recording time, it tries to recognize the signal. To use it:Set the frequency and bandwidth properly.Selecting the frequency range. (0-30 MHz / Other)Place the microphone of the telephone near the loudspeaker. (The quieter the environment is around, the fewer errors will occur)Press the big button that dances.Wait 5 seconds. (Time required for record)Tips:The algorithm is based on frequency, a wrong tuning of your radio/SDR will result in an erroneous detection.The recording is limited to 5 seconds, for practical reasons. Recognition of a signal may require several attempts.Note: author no longer provides APKs, and development sopped in 2020, so there won't be any updates here.
GitHubIzzyOnDroid
Signature Spoofing Checker
APK
This app tests the signature spoofing capability of your Android OS as required by the microG Project. It attempts to fake its own signature and reports whether it succeeds. Simply launch the app to see the result of the test. You can find more information about signature spoofing here.
F-DroidGitHub
Silectric
APK
Calculate electric bill based on electric consumption in home.
F-DroidGitHub
Silent Night
APK
Configure the phone to go silent and/or airplane mode between two times of the day.
F-DroidGitHub
Silicone Calculator
APK
Silicon Calculator is a simple calculator with attractive graphics. It's a cloned version of the Apple calculator, but with more attractive graphics, history for calculations, and dark and light theme support.
GitHubIzzyOnDroid
SimRa
APK
Comparable to other major cities worldwide, Berlin aims to reduce traffic emissions. Foremost mechanism for this is to increase the share of bicycle traffic. However, polls show that a lack of safety and fear of accidents keeps people from using their bikes more frequently. Furthermore, it also quite hard from a city planning perspective to get a good overview of location, time, frequency, and kind of hazards in bicycle traffic since official accident statistics only cover crashes but do not provide information on near crashes.In this project, we collect – with a strong focus on data protection and privacy – data on such near crashes to identify when and where bicyclists are especially at risk. We also aim to identify the main routes of bicycle traffic in Berlin. To obtain such data, we have developed the SimRa app that uses GPS information to track routes of bicyclists and the built-in acceleration sensors to pre-categorize near crashes. After their trip, users are asked to annotate and upload the collected data in a fully anonymous way.The collected data offers detailed insights into bicycle traffic in Berlin (and other cities) and hazardous situations to public administrators and other interested entities so that the number of near crashes (and hence also crashes) can be reduced. The data can also be used to optimize traffic flows to make bicycle traffic more attractive. For the evaluation of data, we plan to cooperate with interdisciplinary partners such as city planning, interested citizens, but also the Berlin Senate Department for the Environment, Transport and Climate Protection.
GitHubIzzyOnDroid
Simpill
APK
Simpill is a free and open-source application for medication reminders. It does not contain any ads or trackers nor does it collect any data on its users. You can block internet access to Simpill and it will still work perfectly. Features: * Set pill reminders for your medications. * Keep track of your medication supply and set a refill date. * Select a bottle color for your medication. * Dark and Light themes available. * Choose between 12/24 hr time formatting.
F-Droid
Simple Accounting
APK
A very simple way to store your balance.
F-DroidGitHub
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Simple Alarm Clock
APK
Smart alarm clock that includes many improvements over the stock alarm clock. It does not have any extra features such as dock mode or a world clock.
F-DroidGitHub
Simple Cleanup
APK
Extremely simple cleanup app! Doesn't need internet, one button solution! Simple Cleanup deletes files according to the space needed in your phone. * At 20% space free, it deletes old WhatsApp backups and Tencent cache, in that order, until it gets to >20%. * At 10% space free it deletes the last WhatsApp backup, old media (> 1 mo. old) and then all media, in that order. Simple Cleanup checks file by file until enough space would be free. Simple Cleanup checks in the background and alerts you if you are running low on free space. Note: currently only WhatsApp folders are checked. More might be added in the future. Simple Cleanup is always accepting recommendations and adding features! If you want something added, please go here: https://github.com/EmmanuelMess/Simple-Cleanup/issues/new.
F-DroidGitHub
Simple Clipboard Editor
APK
This app displays the current content of your phone's clipboard. When that content is text, you can edit, replace, delete or perform any other text modification, live. Additionally, you can also share the content directly and create a notification with it for later use. Note: Due to Google's restrictions the app can't interact with the clipboard while it's closed. It will be automatically updated as soon as you reopen it though. The app doesn't contains any history functionality (not yet at least). Made by TrianguloY. Extremely small, efficient, without any permissions, free and without ads. GitHub: https://github.com/TrianguloY/SimpleClipboardEditor Blog: https://triangularapps.blogspot.com/
F-DroidGitHub
Simple Counter
APK
Features: - Material 3 UI implemented with Jetpack Compose - Set a default value for a counter to quickly reset to it - Allow or disallow negative values for a counter - Mark counters with labels and filter counters by label - Open counters in fullscreen view - Use volume keys to change counter value while in fullscreen mode - Option for compact counter cards - Make backups of your counters and labels in JSON format and restore them later Libraries used: - AndroidX (Compose, Lifecycle, Room, DataStore, AppCompat, Navigation) - Google Accompanist - Moshi
F-DroidGitHub
Simple Crypto Widget
APK
A clean and simple cryptocurrency widget. Customizable refresh interval. Very light battery usage. Shows the current price from over 80 different exchanges. If you'd like to see an exchange that is not in the list, please let me know! Feedback is welcome.
F-DroidGitHub
Simple Deadlines
APK
A simple and easily readable deadline manager. A daily notification allows you to organise your day. It is aimed towards simplicity and is very lightweight.
F-DroidGitHub
Simple Decred Widget
APK
A simple widget for viewing Decred exchange rate, as well as PoS Ticket price, mining difficulty, and more.
F-DroidGitHub
Simple Ethereum Widget
APK
A clean and simple Ethereum widget to show the current price from different exchanges.
F-DroidGitHub
Simple Flashlight
APK
A clean flashlight with an extra bright display, customizable stroboscope with strobe light function and a predefined SOS mode. This quick start led flashlight is light on your device and works as a real led light when in dark. Using this slash light, you can easily work in different circumstances and this quick start led flashlight can help you when you are in a dire situation. All these functions can be hugely helpful under certain circumstances. Whether you are wandering in dark and need a led light to see the way, or you have to find something in a a low light place, this quick start flash light can help you in all the possible circumstances. The strobe light in this app can help you when you are in need of help. The quick start flash led light can help calling for rescue if you need it. The Bright display can have its color changed, opening a new world of possible uses. It can come handy in case you want to see your wider proximity without blinding yourself. With different colors, you can use this led light when you are with friends and want to have a party. Or you can use this feature to call someone for help according to the person. The stroboscope can have its frequency changed, ranging from really fast blinking to occasional ones. This quick start app can be customized according to your needs. You can change all the features of of this app according to your needs without any problem. If this free flash light is turned on via the app (not widget), it will prevent the device from falling asleep. The strong torch can optionally turn on at launching the app, but it isn't mandatory. Comes with a 1x1 widget with customizable color and transparency. This widget can help you in quick start your led light app whenever you need it. It comes with material design and dark theme by default, provides great user experience for easy usage. The lack of internet access gives you more privacy, security and stability than other apps. Contains no ads or unnecessary permissions. It is fully opensource, provides customizable colors. Check out the full suite of Simple Tools here: https://www.simplemobiletools.com Facebook: https://www.facebook.com/simplemobiletools Reddit: https://www.reddit.com/r/SimpleMobileTools Telegram: https://t.me/SimpleMobileTools
F-DroidGitHub
Simple Keyboard
APK
This keyboard is created for those who only need a keyboard and nothing more. To enable the keyboard: * Open "Simple Keyboard" from your launcher * Enable the Simple Keyboard (default system warning about tracking will be shown) * Switch to Simple Keyboard from current Input Method (differs between keyboards, usually long-press space) * To edit Simple Keyboard settings long-press "," or open system Settings, Languages & Input, Simple Keyboard. * You can enable/disable all the input methods in Settings, Languages & Input, Manage Keyboards (differs between phones) Features: * Small size (<1MB) * Adjustable keyboard height for more screen space * Number row * Swipe space to move pointer * Delete swipe * Custom theme colors * Minimal permissions (only Vibrate) * Ads-free Features it doesn’t have and probably will never have: * Emojis * GIFs * Spell checker * Swipe typing
F-DroidGitHubIzzyOnDroid
Simple Litecoin Widget
APK
A clean and simple Litecoin widget to show the current price from different exchanges.
F-DroidGitHub
Simple Money Tracker
APK
A simple personal accounting app designed to make it easy to keep track of your income and expenses on your Android device. Features: Fast and easy entry and editing of income and expenses. Summary balance sheet and income/expense statement shows you where you stand on selected period. Easy reconciliation with your bank statements. Import/Export .csv files.
F-DroidGitHub
Simple Play Integrity Checker
APK
SPIC (short for Simple Play Integrity Checker) is a simple Android App that demonstrates the usage of the PlayIntegrity API as well as the deprecated SafetyNet Attestation API.The received integrity verdict from the APIs can be check locally on the device or send to a remote server so they can be validated there. The remote server implementation has to be self hosted for now.The app is OpenSource and the source code of the android app as well as the server implementation can be found on Github (see /herzhenr/SPIC-android and /herzhenr/SPIC-server).
GitHubIzzyOnDroid
Simple Quiz FR
APK
Simple Quiz FR is a quiz application available in French only, designed to provide a simple, accessible, and ad-free experience.The app lets users answer multiple-choice quizzes by selecting various criteria such as category and difficulty level. The questions are provided by the « Simple Quiz API » (https://quizzapi.jomoreschi.fr/)Users can also create and submit their own questions directly from the app, contributing to the community effort by enriching the shared question database.Main features:Quizzes in FrenchCategory selectionDifficulty level selectionReporting of malformed quizzesCreation and submission of questionsModern UI based on Material DesignLight and dark themesDynamic colors based on Material YouFree and without adsThe app is built using a modern architecture based on Jetpack Compose and adheres to Android's best practices. User preferences are stored locally on the device.The Internet permission is used only to communicate with the quiz API. No other permissions are required.Simple Quiz FR is free and open-source software. The source code is publicly available, allowing anyone to review, modify, or improve the application.
IzzyOnDroid
Simple Random Stock
APK
Have you ever been asked the following question from friends, family members, co-workers, or strangers on the street - What stock to buy? Or maybe you want to test your memorization skill and see which stock belongs to which U.S. indexes. Or maybe after all these technical and fundamental analysis. You've reached to a conclusion that you'll randomly throw a dart at a list of stocks and buy from there. Well have no fear as this application was built to address those issues. Simply click on one of US index and you'll be rewarded a random stock. The history tab will keep a history of all the random stocks you've been rewarded. Download the app and give it a try! Good Luck! If you find any bugs or areas of improvement, don't hesitate to shoot me an email for I am constantly developing my software skills. If you do find a bug, please inform me what android device and version you are running and what were the steps involved to recreate the problem. Thank you! I will continue making modifications and/or adding features on this app as time passes to include some open-source projects that I might find useful to the app. So stay tuned. Disclaimer: Simple Random Stock is for fun and educational purposes only. This application should not be viewed as financial advice or stock recommendation to buy, sell, or hold any security or investment. Investors should be cautious about any and all stock recommendations. Please consult with a professional financial adviser before making any financial decisions.
F-DroidGitHub