Productivity

1843 open source Productivity apps

Nighthawk Wallet
APK
Nighthawk is a Shielded-by-default light wallet with support sending & receiving shielded transactions, memo support & optional T-addresses support with Auto-Shielding technology. Shielded by Default: - Auto-shielding moves funds from transparent addresses to the shielded pool! Powered by Native Mobile SDKs - Standardized SDKs with accurate protocol specification for a seamless experience. Privacy Preserving: - Nighthawk wallet ensures funds can only be sent via your Shielded Address. Nighthawk is a light-wallet: - Requires trust in the lightwalletd server for displaying accurate transaction information. Self-custody: - Take sole responsibility for your funds on Nighthawk. Securely backup seed words immediately. Swap ZEC via SideShift.ai & StealthEx.io: - Easily exchange ZEC for supported cryptocurrencies. KYC, Terms & Conditions apply. Unstoppable Domains Support - Opt-in to UNS support under Settings > External Services for worry-free ZEC transactions. PIN protection: - Set a 6 digit pin and even enable Face Id/Touch Id to open the wallet. Export Seed Words to PDF: - Securely generate a password-protected PDF with wallet seed words for backing up on a secure platform of your choice. Need Help?: - Connect with us via X @NighthawkWallet or https://nighthawkwallet.com for email. NOTE: As a light wallet, the app requires trust in the lightwalletd server to display accurate transaction information. You can change the default lightwalletd server under Profile > Settings. The servers are not operated by Nighthawk, and the privacy of communication and broadcasting transactions cannot be guaranteed. We recommend using a VPN or Tor for enhanced privacy before making transactions. TROUBLESHOOTING: In case of issues with syncing or missing transactions, please try the Rescan Wallet option. This software is provided 'as is', without warranty of any kind, express or implied.
F-DroidGitHub
Nihonoari: Hiragana & Katakana
APK
Nihonoari is an Open Source project to provide the community with a simple app to memorize and practice the Hiragana and Katakana alphabets without adverts, in-app purchases and useless functions, simpler is better. Want to collaborate with the project or report some bug? https://github.com/aeri/Nihonoari-App
F-DroidGitHub
NoAd Battery Calibrator [ROOT]
APK
Since google suspended the app I had to rename the package therefore the app is continued as [[eu.roggstar.batterycalibrate]] This is a Data Privacy respecting app without any trackers, ads or unneccessary permissions:https://reports.exodus-privacy.eu.org/en/reports/eu.roggstar.batterycalibrator/ How to use it: 1. Charge your phone to 100% 2. Click on the calibrate button 3. Disconnect your charger 4. Profit! What does it do: This app deletes the battery configuration file. And your new ROM will create a new one (a better one). Note that: Root is needed in order for this app to work. There are many apps out there just pretending to do something... There are many apps with annoying advertisements out there... This app does really it's thing without any ads. Long live FOSS. Disclaimer: I'm not responsible for any damage that may or may not happen to your device.
F-DroidGitHub
NoNonsense Notes
APK
Open source notepad and to-do list app using the latest Android technologies. * Dash clock support (yes, it still works) * Notifications: set reminders at a certain time, with optional repetition on certain weekdays * Language selection * Widget, with lockscreen support, resizeable and configurable * Password-protect important notes * Move tasks between different lists * Drag to reorder tasks * Integration with Android Agenda widget * Search * Use emojis as tags 🏷️ * Light and dark themes * Back up (import and export) notes to a JSON file * Sync with an ORG file on the local storage * note history with all previous versions * recycle bin for deleted notes To improve this app, make a donation, or simply share ideas, come visit at https://github.com/spacecowboy/NotePad
F-DroidGitHub
N
NoProvider2Push
APK
NoProvider2Push is a UnifiedPush distributor able to provide push notifications without a push provider. It's a pretty niche UnifiedPush distributor mostly useful for development purposes and advanced users at this moment. To work, it needs a static address even with the roaming. It is achievable with a custom network such as a VPN (eg. wireguard) or the yggdrasil network. For more information about UnifiedPush, visit https://unifiedpush.org
F-DroidGitHub
N
NoStorageRestrict
APK
NoStorageRestrict is an Xposed module that removes the restriction when selecting folders (Downloads/Android) through the file manager on Android 11 and higher.
GitHubIzzyOnDroid
NoWakeLock
APK
NoWakeLock allows you to get control over Wakelocks, Services and Alarms With the update of Android version, doze mode is enough to suppress the power consumption of the background of the application, but some advanced users still hope to be able to control the wakelock by themselves. Features * Lookup queries are punctuation, diacritics and case insensitive. * See which apps are triggering Wakelock / Alarm / Service * Block any wakelock * Block any alarm * Prevent any service from running * possibility to block any of those only while the screen is locked
F-DroidGitHubIzzyOnDroid
Noice: Natural calming noise
APK
For a lot of people, a little uniform background noise is helpful to remain calm and focused. In some cases, it also boosts productivity and lowers the effects of stress and anxiety. Background noise also masks tinnitus, calms agitated infants and improves reading and meditation experiences. Noice is an app that allows you to create personalised sound environments. It enables you to combine different sounds at different volume levels to create perfect ambient atmospheres. These custom sound surroundings let you drown out distractions and allow you to concentrate. You can also use it to generate a serene, peaceful aura that encourages you to relax and fall asleep. BENEFITS • Reduce your stress and anxiety using a personalised ambience • Relax and unwind in a pacifying environment of your choice • Boost your productivity by replacing distracting noise • Improve concentration by being in a consistent atmosphere • Aid your reading and meditation experience with natural soundscapes • Calm down your babies using relaxing sounds • Mask your tinnitus with easing noise • Block distractions to lay back and fall asleep • Start your days to the gentler sounds of nature with mindful alarms • Soothe your migraines and headaches FREE FEATURES • Rich sound library • Google Cast or Chromecast enabled* • Auto sleep timer • Alarm Clock with up to 2 active alarms • Make and save your personalised mixes • Random mix generator to suit your every mood • Individual volume control for each sound • Play alongside a currently playing music player • Use Material You Dynamic colours on Android 12L or higher • No advertisements of any kind * Chromecast is only available when you download Noice from Google Play. PREMIUM FEATURES • Unlock additional audio clips in sounds • Real and natural sound variations generated on demand • Full offline playback • Ultra high-quality audio for streaming and downloading (up to 320 kbps) • Unlimited active alarms SOUND LIBRARY • Life (birds, crickets, wolves, heartbeat, purring cat) • Weather (morning or dawn, night, rain, thunder) • Places (bonfire or campfire, coffee shop, library, office, seaside, riverbank, scuba diving) • Travel (train, in-flight, creaking ship, electric car) • Things (fan, wall clock, wind chimes) • Raw noise (white, pink, brownian) APP PERMISSIONS • view network connections: for sound streaming and downloading • full network access: for communicating with the Noice servers, sound streaming and downloading • run at startup: for ensuring that Alarms persist across device reboots • prevent device from sleeping: for keeping the device CPU awake to provide uninterrupted playback when the screen turns off • install shortcuts: for adding Preset Shortcuts to the home screen • run foreground service: for continuous playback when the app is in the background • display full-screen notifications on a locked device: for displaying the alert when an alarm fires • control vibration: for vibrating the device when a vibration-enabled alarm fires Noice is open-source software. https://github.com/trynoice/android-app
F-DroidGitHub
NoiseCapture
APK
NoiseCapture App is an application dedicated to the evaluation of your noise environment. It allows to perform measurements and, thus, to give information on your noise exposure. In addition, you can contribute to the realization of collaborative (or community) noise maps by anonymously sharing your measurements. New !: If your smartphone is already calibrated, you can now calibrate other smartphones with the application, based on the ambient noise. Select Automatic Calibration in the Calibration menu, in "Transmitter" mode for the reference smartphone and "Receiver" mode for the smartphones to be calibrated. Approach the smartphones together and start calibration from the reference smartphone. The rest is automatic. Features: • Noise measurement and calculation of acoustic indicators (Leq, Lamin, LAmax, LA10, LA50, LA90...) on a journey • Measurement description (text, photo, tags) • Viewing measurements on a map • Measurement history • Smartphone calibration with a reference device • Detailed help on using the application Recommendations for the 'best' measurement (see Help for details): • The smartphone should not be in the pocket but hand held • The smartphone microphone should not be hidden • The noise measurement must be carried out without adding noise! • It is possible to use an external and calibrated microphone Contribute to collaborative noise maps: • Allow the transfer of measures into the community • Realize mmeasurement outside buildings • Do not measure when rainning or with wind • Goto the collaborative noise map : http://noise-planet.org/map_noisecapture/index.html Contribute to the NoiseCapture project: • conttribute to the code development: https://github.com/Ifsttar/NoiseCapture • share your comments, questions: https://github.com/Ifsttar/NoiseCapture/issues • organize NoiseCapture Party to map your sound environment: http://noise-planet.org/ ------------------------------------------------------ NoiseCapture App respects your private life: • You fully control how the information is sent to the server • Only anonymous data is transferred • There are no audio recording: only acoustic indicators are calculated and transferred • NoiseCapture App requires only strictly necessary permissions Warning: • Although NoiseCapture App is developed by specialists, keep in mind that a smartphone will never replace a professional sound meter. If you need advanced expertise, contact a professional. • The quality of the measurement depends on the technical performance of your smartphone and its calibration. Depending on the nature of your phone and the version of Android used, it is possible that you can not measure with sufficient accuracy. NoiseCapture App is the result of collaboration between two French research laboratories, the Laboratory of Environmental Acoustics (Ifsttar) and DECIDE team of Lab-STICC (CNRS), with a support from the European Commission. More information: http://noise-planet.org/
F-DroidGitHub
Nope Remote
APK
Nope-Remote is an open-source Android application that turns your smartphone into a powerful, universal IR remote control. Built with modern Android technologies, it offers a sleek Material You interface and advanced features like Custom Macros to automate your home entertainment system. Key Features: - Universal Compatibility: Control TVs, Set-Top Boxes, ACs, and more using your phone's built-in IR blaster. - Custom Macros: Create "Macros" to chain multiple commands together (e.g., Turn on TV, STB, and Soundbar with one tap). - Offline Database: Direct database downloads for seamless offline access without reliance on third-party CDNs. - Enhanced Repository Support: Expanded support for multiple repositories and improved setup process. - Performance: optimized internal architecture for smoother operation and better maintainability. - Material You Design: Beautiful, modern UI that adapts to your wallpaper's colors. - Dark/Light Mode: Fully supports system-wide themes. - Haptic Feedback: Tactile confirmation for every button press.
F-DroidGitHubIzzyOnDroid
NotallyX - Quick Notes/Tasks
APK
NotallyX is a minimalistic note taking app with a simple design and powerful features. Organization • Create rich text notes with support for bold, italics, mono space and more • Create task lists and order them with subtasks • Set reminders with notifications for important notes • Complement your notes with any type of file such as pictures, PDFs, etc. • Sort notes by title, last modified date, creation date • Display the notes either in a List or Grid • Color, pin and label your notes for quick organisation • Add clickable links to notes with support for phone numbers, email addresses and web urls • Actions to quickly remove checked tasks • Undo/Redo actions • Extensive preferences to adjust views to your liking • Quickly share notes by text • Lock your notes via Biometric/PIN • Configurable auto-backups • Create audio notes • Adaptive android app icon • Support for Lollipop devices and up Convenience • Dark mode • Completely free (+ no Ads!) • Adjustable text size • Auto save and auto-backups (optionally password-protected) • Add notes and lists to your home screen with widgets • Import from other Notes apps such as Evernote, Google Keep or plain text files Privacy There are no ads, trackers or analytics of any kind. All your notes are stored completely on and never leave your device. Optional Permissions • Show Notifications, Run Foreground Service: To display a notification if a backup fails or if reminders are triggered • Schedule exact Alarms: To schedule reminder notifications at exact date-times • Prevent Phone from Sleeping, Run at Startup: Used by the auto backup feature to ensure backups keep happening even if your phone is restarted • Record audio: when recording an audio note • Use Biometrics: if Biometric/PIN app lock setting is enabled, to unlock the app Note Due to a bug on Xiaomi's part, some MiUI devices might not be able to access the text formatting options. https://github.com/Crustack/NotallyX
F-DroidGitHubIzzyOnDroid
Noten lernen
APK
Learn Music Notes is an advanced app which enables to learn reading and playing written music. UI is available in 11 languages. It gives good feedback and shows your development in a graph. Notes can be entered by name, piano and even MIDI (which enables to connect your piano directly). It supports 4 different clefs, 3 overall difficulty settings, four options for the accidentals and the optional display of the correct note after a false entry. This app is far more advanced than the existing app and is recommended by piano teachers.Features:Input modes: Buttons or PianoScore history (You’ll see quickly how much you improve!)Practice all clefs (treble, bass, alto, tenor) that you need to masterThree difficulty levels (the harder, the more notes with ledger lines you’ll get)♯ and ♭ accidentals
GitHubIzzyOnDroid
Noteshop
APK
Noteshop is a versatile and privacy-focused application for managing your notes, shopping lists, and recipes in one place. It is designed to be simple, efficient, and completely under your control. Features: * Notes: Create and manage simple or detailed notes. * Shopping Lists: An intelligent shopping list system with features like item entry, reordering, and a default item catalog. * Recipes: Store and organize your favorite recipes. * Privacy & Security: Your data belongs to you. Noteshop offers robust security features and the ability to lock individual items with a password, PIN, or pattern. * Synchronization: Keep your data synchronized across devices (web app and local file synchronization). * Themes: Customize the look of the app with different color themes. * Open Source: Noteshop is 100% free and open source. No ads, no tracking.
F-Droid
Notesnook - Private notes app
APK
Notesnook is a life changing notes app. With privacy at it's core, all your notes are end-to-end encrypted by default. Keep notes and save ideas with freedom. Unlike other privacy focused productivity apps, our online notepad app has great note taking features while being 100% private. A notes app with no spying or tracking Great and simple note taking experience. Be focused and productive by boosting your workflow. Keep tasks, ideas & lists in one place. • Zero trackers or ads • 100% cross platform notes app • Encryption and privacy friendly note taking Take notes on any device Access your notes from anywhere. Keep your notes app on any device. Make notes, outlines & task lists. Your private digital notepad makes your workflow productive & organized. Monographs: Encrypted note sharing Sharing notes is easier than ever with our online notes app. You can lock important notes with password before sharing as a public link with anyone. Todo lists and tasks Manage your day-to-day tasks and stay organized. Use Notesnook to make todo lists, shopping lists, outlines and record notes. Share lists with your friends, family or colleagues. Make lists for any purpose. • Shopping list • Task management • Take notes • Make lists for ideas and tasks Rich note taking experience Write notes with full control. Keep notes simple or add images, tables, embeds, lists and even embeds and files. Take notes with math and chemistry formulas. Personalise your note taking by configuring the toolbar. • Images, embeds & videos • Make notes with file attachments • Tables, task lists & outline lists • Full Math and Chemistry Formula support. • Full markdown editor - Most markdown shortcuts are supported • Code blocks with support for all programming languages • Written Notes history • Powerful search in notes Notepad with offline support Write notes offline. Jot down your ideas anytime even without internet. Sync your written notes when you open the notepad online instantly. Organize notes with Notebooks Create multiple notebooks in our notepad. Organize & make notes and task lists in topics. Create shortcuts for Notebooks to access them quickly. Color notes and add tags Make your Notesnook colorful. Color notes and add tags to quickly find similar or related ideas in one place. Color notes also appear in side menu so they are easy to access. Protect notes with privacy lock Lock your online notepad with privacy lock. No one can open the notes app even if your phone is left unlocked. Take notes with complete privacy. You can also lock notes with password. Say yes to private note taking A good notes app is one that doesn't spy on you. It's as simple as, "No one should be able to read my notes, even the possibility that someone can open my online notepad is scary". Open source notes app (August 2022) Any privacy respecting service should be open source. Notesnook is no different. We are soon going fully open source and are working on open sourcing all our notes app clients. Export your notes anytime Export your data from our online notepad as PDF, HTML, markdown or plain text. We have a zero lock-in policy. You can take your data anywhere, anytime. Say yes to privacy Choose privacy today for your notes and never look back. Notesnook is here. The online notepad that protects you and your data. Stay safe and take notes with freedom. Source Code: https://github.com/streetwriters/notesnook
F-DroidGitHub
NotiFilter
APK
NotiFilter listens to all device notifications and quietly manages those that match your filters.Features:Filters: Use regex to precisely target annoying notifications from each app.Actions: Choose what to do with the filtered notifications - dismiss, tap, delay, batch, debounce, mute, or alert.Schedule: Choose when filters run (e.g. only during work hours)History: Recently dismissed notifications are stored (locally), just in case.Widget: Configure filters to send notifications to a home screen widget.Export/Import: Backup or transfer your filters as JSON files.Private: Fully offline; your data never leaves your device.Lightweight: Runs in the background with minimal battery and memory usage.
F-DroidGitHub
Notification Dictionary
APK
An app to access meaning of selected word as a notification. It works across all apps that support text selection. The apps shows the meaning as a notification for quick reference. Clicking on the notification user can see all the meanings for the given word. The user can also search for meaning of other words. * Easy access from all apps that have text selection. * Enabled for offline usage. * Supports English, French and German. * Click to copy meaning to clipboard. * Long press to share meanings with others. * Wide variety of meanings from Wikitionary. * Open source and MIT License.
F-DroidGitHub
Notification Plus
APK
Delivers recurring notifications via the phone's vibrator or notification ringtone. This is especially useful for phones which lack a notification LED, such as the Nexus S, and at least two of the Galaxy S variants.
F-Droid
NotificationLog
APK
NotificationLog logs the system notifications locally and allows to view, export and delete all of them or all of one App. It uses the notification access and the list of the installed Apps for this. At older Android versions which do not have the notification access permission, an accessibility service is used instead.
F-Droid
Notifications Recovery
APK
Review your most important notifications with Notifications Recovery. Notifications are saved on your device and you can search to find a particular one. Furthermore, Notifications Recovery reports the notifications it thinks have been deleted from the device.✅ Save Notifications – Automatically stores notifications received on your Android device.🔍 Search Notifications – Easily find past notifications using keywords.📂 Organized History – View notifications grouped by apps for better readability.🕒 Detailed Log – See timestamps, app names, and notification content.📊 Graphs – See some notifications' stats from graph.🔔 See Deleted Notifications – See notifications that were accidentally or automatically deleted.🌓 Dark Mode – Enjoy a sleek UI with dark mode support.🔒 Secure Access – Enable password or fingerprint authentication to access the app.
GitHubIzzyOnDroid
Notify Lite
APK
This application will display a popup window for missed calls, text messages, calendar events and emails via https://f-droid.org/packages/com.fsck.k9. It is extremely customizable with many options to suit your needs and style. Extra themes are available as apks from the website. Anti-feature: Addons. The app has some limitations and the user is prompted to install the fully-featured proprietary version. Status: Newer versions have been published by the author but without source code.
F-Droid
Nov Open Reader
APK
Nov Open Reader is a small application to read data from NFC insulin pens from Novo Nordisk : NovoPen 6 and NovoPen Echo Plus. Put the pen on the NFC reader of your phone to start retrieving its data, which will be simply displayed as a list. By default, doses within a one minute delay will be grouped as one, and first purging dose (2 units or less) will be hidden. Click on a grouped dose to display the details. Long click on the details to delete doses. Source code available at https://github.com/lcacheux/nov-open-reader This application is not developed or endorsed by Novo Nordisk. This application is intended for informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding the use of insulin pens, diabete or any other medical condition.
F-DroidGitHub
NumberHub
APK
Calculator, converter and so much more!NumberHub will be installed as "Calculator" on your home screen.No ads or in-app purchasesOpen sourceCalculatorCopy, paste, save and share expression resultsTrigonometric functionsFractional outputUnit converterOver 500 units! Convert miles to kilometers, Dollar to Euro, Bytes to Gigabytes and so much more!Date calculatorAdd and subtract dates with easeTime converterConvert time zonesThe app uses https://github.com/fawazahmed0/currency-api by https://github.com/fawazahmed0 Requests are sent to cdn.jsdelivr.net.
GitHubIzzyOnDroid
Nuntius
APK
Nuntius delivers notifications from your phone or tablet to your computer over Bluetooth. To use Nuntius you will need to install a companion tool on your computer and pair your phone via Bluetooth. See the README for additional information.
F-DroidGitHub
Nutrixious
APK
An experimental and personnal application to manage foods and physical trainings without the need of having an online account. There are no ads and no paid services. Foods can be retrieved from Open Food Facts by text search or from barcode scanning (https://world.openfoodfacts.org/) It will allow you to follow your physical training and carry out calorie assessments by integrating nutritional management.
F-DroidGitHub