Office
52 open source Office apps
OTR Speed Calculator
APK
OTR SC is a tool to work out the top speed of vehicles in OTR. It lets you calculate the average speed.
GitHubIzzyOnDroid
ObsidianTodoWidget
APK
Obsidian provides a widget to display an interactive todo list from a markdown file.After having the app installed, start it once to grant it the storage permissions – then the widgets are ready to be used.Setup:Select widget from the widget listDrag to HomescreenEnter the Obsidian Vault name to useConfigure the file to usePress "Select" to define the folder where the file(s) is/are stored.Enter the single filename or enter a date patternIf you want to limit the the tasks to a specific header enter the header name into the "Header" fieldIf you want to include sub Headers check the "Include Sub Headers" switchPress Create
GitHubIzzyOnDroid
OpenCalc
APK
A simple and beautiful calculator for Android 📖 Features * Lightweight (APK ~2MB) * No unnecessary permissions * Dark, Light, Amoled and Material You theme * Scientific mode * History * Portrait and landscape orientation * Quick Settings Tile * More...
F-DroidGitHubIzzyOnDroid
OpenScan
APK
Our open source document scanner app will enable you to scan anything (official documents, notes, photos, business cards, etc.) and convert it into a PDF file and share it via any messaging app that allows it.Why use this app? Sometimes, you require to scan several documents and share them in this fast paced professional world. Maybe, you want to scan and store your receipts and billing information for filing taxes. In this day and age, we look for not only ease of use in technology, but also apps which respect our data privacy and apps which doesn't force ads on our screen every other second.We bring you OpenScan, an app which respects your privacy coupled with comprehensive and beautiful user interface and a flawless user experience.We differentiate our self from the rest of the apps in the market by:Open Sourcing our appRespecting your data privacy (by not collecting any document data knowingly)KEY FEATURESScan your documents, notes, business cards.Simple and powerful cropping features.Share as PDF/JPGs.WORK PRODUCTIVITY:Increase your office/work productivity by scanning and saving your documents or notes quickly and share them with anyone.Capture your ideas or flowcharts that you jot down hurriedly and upload them to your choice of cloud storage instantly.Never forget anyone's contact information by scanning the business cards and storing them.Scan printed documents and save them to be reviewed later or send them to your contacts to review it.Never worry when it comes to receipts anymore. Just scan the receipts and save them to your device and share them whenever necessary.EDUCATIONAL PRODUCTIVITYScan all your handwritten notes and share them instantly to your friends during stressful exam times.Never miss another lecture notes. All documents are timestamped, so just look up the date or time of the lecture to quickly bring up the lecture notes.Take pictures of the whiteboards or the blackboards for future reference and save those as PDFs.Upload your class notes to your choice of cloud storage instantly.
GitHubIzzyOnDroid
OpenToday - planner & organizer
APK
OpenToday is an application to organize your life. It offers text notes with lists, grouping and more.Take notes, move them easilyGroup, create reminders, shareUse the checkboxesAnd a lot more (see screenshots)- OpenToday
GitHubIzzyOnDroid
O
OpenTodoList
APK
With OpenTodoList, you can manage your notes, todo lists and images in libraries. And you decide, where these libraries are stored:You can sync your libraries with one of the supported services like NextCloud or ownCloud. Or you can decide to keep your files entirely local on the device where you use the app. Finally, as libraries are just plain files stored in a directory structure, you can use other apps, like Foldersync to keep them in sync with services not supported natively by OpenTodoList.
GitHubIzzyOnDroid
OrgNote
APK
Explore a comprehensive note-taking application that seamlessly integrates with the widely acclaimed Emacs package - Org Roam, while implementing the powerful Zettelkasten approach. Effortlessly capture, organize, and explore your thoughts, research, and ideas using the Zettelkasten-inspired, dynamic networked thinking within this user-friendly app.
GitHubIzzyOnDroid
PDF Doc Scan
APK
PDF Doc Scan is a PDF document scanning app for Android.Main point of this app is to scan or select existing PDF documents simply using intent or chooser. Other apps require payment to access their api/sdk or simply don't have a possible way to do it. So they rely on switching between an app ,file chooser and a scanner.
GitHubIzzyOnDroid
PDF to Images
APK
PDF to Images is a simple Android app for converting PDF files to images, for example to import into an expenses app which doesn't support PDF files.This app was born out of frustration with existing offerings having paywalls, watermarks, ads and tracking – this has none of that. It was written to service my own limited need and is not well tested for full pdf support or support of larger files.The app will only load the first 10 pages of a PDF.
IzzyOnDroid
PaperKnife+
APK
PaperKnife+ is a privacy-first PDF utility for Android that works 100% offline. Features: - Merge & Split: Combine PDFs or extract pages visually - Secure: Add or remove passwords (100% locally) - Convert: Convert Images to PDF and Export PDF pages as Images (ZIP) - Edit: Rotate and Rearrange pages with ease - And more! No internet permission, no trackers, zero servers. All processing happens on your device. Built with Jetpack Compose and Kotlin for a modern, smooth experience.
F-DroidGitHubIzzyOnDroid
PaperKnife: Privacy-First PDF Utility
APK
PaperKnife is a professional-grade, open-source PDF utility designed with a "Zero-Server Architecture." Unlike other PDF tools that require you to upload sensitive documents to a remote server, PaperKnife performs every operation directly in your device's memory.Your data never leaves your phone.Core Features:Merge PDF: Combine multiple documents into one.Split PDF: Visually extract specific pages or ranges.Compress PDF: Reduce file size without sacrificing quality.Protect & Unlock: Add or remove passwords with strong encryption.Convert: Images to PDF and PDF to high-quality images.Edit: Rotate, rearrange, and add page numbers or watermarks.Secure: Edit metadata and sign documents electronically.Built for the community, PaperKnife is fully open-source (AGPLv3) and contains no tracking, no analytics, and no advertisements. It's the ultimate tool for those who value their document privacy.Note: This "Lite" store version excludes non-free Deep OCR binaries for FOSS compliance. Users who require full OCR support and advanced text extraction can download the Full Version directly from our GitHub repository.
GitHubIzzyOnDroid
PaperWise
APK
Paperwise is a free and open-source tool that helps you quickly convert images from your camera or gallery into high-quality PDF files.Whether you're scanning documents, receipts, or notes, Paperwise offers a smooth and intuitive experience without ads or unnecessary permissions.Features:Pick multiple images from your gallery or take new ones with your camera.Reorder, crop, and delete images before creating your PDF.Choose from different page sizes (A4, Letter, Fit to Image) for your document.Adjust PDF quality to balance file size and clarity.Dark and AMOLED Black themes for comfortable viewing.Your files are saved locally and are under your control.
GitHubIzzyOnDroid
Paperless
APK
Paperless is an Android client to your Paperless server (see the Paperless Documentation for more information). It allows you to easily access your documents stored in Paperless from your smartphone. If you need to access an important document on the go, you can find it in seconds.Paper is a nightmare. Environmental issues aside, there’s no excuse for it in the 21st century. It takes up space, collects dust, doesn’t support any form of a search feature, indexing is tedious, it’s heavy and prone to damage and loss. Paperless takes documents from your scanner, recognises the text, extracts metadata and gives you the tools you need to manage your documents digitally. It can automatically detect the correspondent and creation date and offers you a search function - all you have to do is scan the documents. Your documents have never been so well organised. Paperless offers a powerful web interface that is difficult to use on a smartphone. With this app you have a native option to access your documents easily.Features:Securely saves your credentials so you only have to login onceFull-text searchCustomisable orderOpen PDF documentsDark Mode
GitHubIzzyOnDroid
Parcel
APK
📦 Parcel is an app that helps you keep track of all your parcels. Some of Parcel's features: - 📱 Clean and simple interface: Focus solely on your parcels, not how to use the app. - 💬 Notifications: Get notified every time a parcel progresses further. - 🚫 No ads or other annoyances. - 👥 Free and open-source: https://github.com/itsvic-dev/parcel --- Supported services --- International: - 4PX - Cainiao - DHL - GLS - UPS North America: - UniUni United Kingdom: - DPD UK - Evri Europe: - Allegro One Box (PL) - An Post (IE) - Belpost (BY) - GLS Hungary - Hermes (DE) - InPost (PL) - Magyar Posta (HU) - Nova Post (UA) - Orlen Paczka (PL) - Packeta - Poczta Polska (PL) - Poste Italiane (IT) - PostNord - PostNL (NL) - Sameday Bulgaria - Sameday Hungary - Sameday Romania - Ukrposhta (UA) Asia: - eKart (IN) - SPX Thailand
F-DroidGitHubIzzyOnDroid
Pen&PDF
APK
NOTE: This app is now unfortunately unmaintained.Pen&PDF is a PDF viewer and annotation app for Android built on top of MuPDF. It intents to makes editing PDFs as easy as writing on a piece of paper.
GitHubIzzyOnDroid
Pioneer
APK
Pioneer is an open source tool to keep track of progress in an efficient way. Whether you are reading a book, .pdf, .epub, watching playlists, anime episodes, manga chapters, or anything else, Pioneer will act as one inventory to manage them, without relying on several different services for each. It is not just a tracker for watchlists, you can use it as a counter in general since it is optional to specify a maximum value, and also to keep track of a goal, for example, "I am aiming to finish 3 tasks today". Features: - Material 3 dynamic theme - Local and offline progress tracking, no accounts or internet connection required - Adding, deleting, and editing progress - Privacy focused progress tracking app with no data collection, analytics, and telemetery - Optional description and maximum value - Import and export to CSV - Display tags and image Pioneer is a free and open source project licensed under GPL v3, view the source code at: https://github.com/ki-bun/Pioneer
F-DroidGitHubIzzyOnDroid
PocketCheck
APK
You forget to return things to their proper place after using them. You accidentally take home things you borrowed. You leave tasks half-done. And worst of all — you forget to even check your checklist. PocketCheck is a working memory app for people like you. The app periodically asks "Anything to put in your pocket?" You don't have to remember to check yourself. FEATURES Item Management • Register items with name and notes • Quick photo registration - snap a photo to register instantly • Switch toggle to manage task status • Visual distinction for active tasks • Swipe left to delete, swipe right to archive • Drag & drop to reorder items Smart Reminders • Periodic notifications: "Anything to put in your pocket?" • Tap "Yes" to open app, "No" to dismiss • Notifications don't pile up - stays as one • Configurable interval and quiet hours Persistent Status • Always-visible notification when tasks are active • Silent, non-dismissible notification • Shows active tasks Privacy First • Works completely offline • No accounts, no tracking • No Google Services required • Your data stays on your device • Open source (GPL-3.0)
F-DroidIzzyOnDroid
QR warehouse
APK
QR warehouse helps you keep track of your inventory and storage locations.What can QR Lager do?Create and select storage locations using QR codesCreate and select inventory using QR codes and adjust stock levelsList overviews of available inventory (across all warehouses and storage locations)Document storage and removal either with QR codes or manual entriesWhat the app cannot doDisplay advertisementsDisplay cat videos or picturesPass on your data to third partiesPlace orders on the internetSave the worldThanks toEveryone who helped me with bug reports, suggestions and criticismThe developers of ZXing (QR scanner libraryThe teams at IzzySoft and F-Droid for their support with the releaseRequired permissionsAccess to the camera to scan QR codesPlease note that I accept no liability for the correct functioning of the software.In the event of malfunctions or other anomalies, please contact me (askanimus@gmail.com) so that we can find a solution together.
IzzyOnDroid
QRshare
APK
A lightweight app to share links, contacts, and text through QR codes. Share a link, contact, or text. Then select QRshare to generate a QR code. Modify shared text by editing in the text box. Tap and hold on the picture to copy the QR code to clipboard, edit the text, or share the QR code.
F-DroidGitHubIzzyOnDroid
Quick UPI
APK
Stop fumbling. Start receiving.Quick UPI is the fastest way to request payments on Android. Forget opening heavy banking apps, navigating endless menus, and waiting for server connections just to show your QR code.Simply swipe down, tap the Quick Settings Tile, enter an amount, and boom—you're ready to get paid.🚀 USE CASES:The "Split Bill" Speedster: Flash a custom QR for exactly your share before friends can even unlock their phones.Delivery Agents: Generate exact amount QRs instantly. No more disputes over change.Taxi & Auto Drivers: Create dynamic QRs for every ride.Small Shop Owners: Type amount, show QR, next customer.Privacy Pro: Receive payments without shouting your phone number.✨ FEATURES:Quick Settings Tile: Instant access from your notification shade.Zero Lag: App opens instantly.Custom Amounts & Notes: Add context like "Dinner" or "Cab".Recent Amounts: Smart chips remember your frequent values.Offline Generation: No internet required to create the QR code.Material 3 Design: Sleek, modern, and beautiful.Privacy First: Your data stays on your device.The app is completely open source and respects your privacy. No ads, no tracking.Inspired by the simplicity of WhatsAppNoContact.
GitHubIzzyOnDroid
Rank-My-Favs
APK
Do you keep lists of your favorite things, such as movies, books, recipes, or music albums? You might keep list(s) that looks like this: Network (1976) Lone Star (1996) Devils (1971) The Seventh Seal (1957) ... Many more films_h But how do you rank these? You might be tempted to order them by preference, but this could quickly get overwhelming for long lists. A much easier method is to use pairwise comparisons, which shows you single head-to-head pairs, and has you choose which one you like best. After doing a small number of these matchups, Rank-My-Favs can confidently create a ranked list for you. Under the hood, Rank-My-Favs can sort by either the win-rate, or the more advanced Glicko rating system.
F-DroidGitHubIzzyOnDroid
RemotePointer
APK
With this app you can control your computer's keyboard and mouse (using a touchpad). Furthermore, you can project a digital laser pointer dot on your screen or projector, which is controlled by the movement of your Android device.Advantages:- control your computer from your couch- when your screen output is being recorded on presentations, the laser pointer can also be recorded- the digital laser pointer point is better visible in bright rooms- you can simultaneously flip the slides back and forth on your Android device and control the mouse- you can use the app as barcode/QR code scanner for your computerPlease download the free software for your PC (Linux, macOS and Windows) from: https://sieber.systems/s/rpThe goal of this project is to provide a complete self-hosted remote control application without dependencies to external servers and without tracking.
GitHubIzzyOnDroid
SOS Flashlight: Advanced Morse Code Tool
APK
SOS Flashlight App transforms your smartphone into a powerful Morse code signaling device, capable of transmitting emergency messages or custom text through multiple channels simultaneously. Features - Signal Transmission Methods - Flashlight: Utilizes your device's camera led flashlight to transmit visual signals. - Vibration: Sends tactile signals through device vibration. - Audio: Generates clear audio tones at 700Hz frequency. - Screen Light: Maximizes screen brightness to create visual signals in darkness. - Core Capabilities - Background Service: Continue signaling even when the app is minimized or screen is locked. - Message Customization: Send any custom message in Morse code. - Adjustable Speed: Choose from slow, medium, fast, or custom transmission speeds. - Morse Code Decoder: Convert received Morse code into readable text. - User Preferences: Independently toggle each signaling method based on your needs. Usage - Emergency SOS: Press the SOS button to immediately begin transmitting the international SOS signal (... --- ...). - Custom Message: Enter your text in the input field and press "Send" to convert and transmit. - Decoder: Navigate to the decoder screen to translate incoming Morse code signals. - Settings: Customize transmission speed and toggle different signaling methods. Contribute Contributions are welcome! Feel free to open issues or submit pull requests on our GitHub repo. License This project is licensed under the GNU General Public License (GPLv3) - see the LICENSE file for details. Source https://github.com/WeilJimmer/SOSFlashlightApp.git
F-DroidGitHubIzzyOnDroid
Simple QR
APK
Simple QR is an open-source app to scan, create and store QR codes with a simple UI and experience. No backend service connected. No data collected. No ads.English, French, German, Itanlian, Russian, Traditional Chinese and Simplified Chinese are supported.By using the app, you can:Scan QR Code and other barcodes in a second, including UPC, EAN, Code 39/128, ITF, Codabar, Aztec, Data Matrix, PDF417, MaxiCode and GS1 DataBar.Import image files and scan the QR Code on it.Create QR code from templates, which includes Free Text, URL, vCard Contact, Phone Number, Message, Email, Wi-Fi and Geolocation.Automatically log results that you scan, create or view again. These logged records can be bookmarked for quick access, and also backupable.Do tasks on the result with a tap, including but not limited toUse it as a keyword to do web search.Quickly copy it to the clipboard.Execute base64 encoding/decoding on it.Generate a new shareable QR code by using it as the content.Do corresponding tasks if it is aURL: Browse website / Open applicationvCard contact: Add contactPhone number: Phone call, add contactMessage: Send message, add contactEmail: Send emailGeolocation: Open mapCustomize the generated QR code, e.g. error correction level, color, margin and screen brightness.Customize the app, e.g. app initial page, language and color theme etc.
GitHubIzzyOnDroid