Open Source Android Productivity Apps
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Productivity Apps for Android
View 373 business solutionsBrowse free open source Productivity apps and projects for Android below. Use the toggles on the left to filter open source Productivity apps by OS, license, language, programming language, and project status.
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Obsidian
Community plugins list, theme list, and releases of Obsidian
The Obsidian Releases repository provides the official distribution builds and installers for Obsidian, the popular markdown-based knowledge management and personal wiki application. Obsidian itself is a powerful, offline-first note-taking tool that helps users build interconnected knowledge graphs using markdown files stored locally on their devices, with plugins and community themes for extensibility. This repository houses versioned compiled binaries and packages for multiple platforms such as Windows, macOS, and Linux, enabling users to download stable or nightly builds directly without needing to build the app from source. By maintaining clear version history and downloadable artifacts, it makes it easy for individuals and organizations to audit, rollback, or pin specific Obsidian releases for workflows that depend on stability or particular plugin compatibility. -
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Joplin
Open source note taking and to-do app with synchronization
Joplin is a free and open source note-taking and to-do application that can handle a large number of notes in Markdown format, organize them into notebooks and synchronize them with various cloud services. All notes can also be copied, tagged, searched and modified directly from the app or through your own text editor. Notes that are exported from Evernote can be imported into Joplin, be it formatted content, resources, complete metadata or plain Markdown files. When notes are synchronized with cloud services, notebooks, tags and other metadata can easily be moved, inspected or backed up as plain text files. Supported cloud services include Nextcloud, OneDrive, Dropbox and WebDAV. Joplin is available for Windows, Linux, macOS, iOS and Android, with three types: desktop, mobile and terminal. All of them have similar user interfaces and can be synchronized with each other. -
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Super Productivity
Super Productivity is an advanced todo list app
Being clear and organized in your work doesn‘t just make your life easier but also communication with your partners and clients. The App lets you create time sheets and work summaries effortlessly to track and document your work. Share it right away to get your head free so you can quickly focus on your next task. Never miss the important updates on any of your Jira tickets. With our Jira and Github integration, you will be notified about ticket changes without having to check Jira or your emails every 10 minutes. Just auto import all tasks assigned to you, plan the details locally and submit worklogs with just a single click. Working productively means working smarter rather than harder to drain yourself out. Super Productivity offers a variety of optional features to support you to become better at this. A pomdoro timer helps you to focus if needed. A break reminder, tells you when to step away and an anti procrastination page helps to waste less of your time. -
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Habitica
A habit tracker app which treats your goals like a Role Playing Game
Get motivated to achieve your goals. Now is the time to have fun while completing your tasks! Join more than 4 million Habiticans and improve your life one task at a time. Habitica is a free habit building and productivity app that takes your real life as a game. With in-game rewards and punishments to motivate you and a strong social network to inspire you, Habitica can help you achieve your goals to be healthy, hardworking, and happy. Stay responsible by following and maintaining your Habits, Daily Tasks and To-Do Tasks with habitica's mobile apps and the website, both easy to use. Cross off tasks to level up your Avatar, and unlock in-game features like battle armor, mysterious pets, magical abilities, and even missions! Fight monsters with other Habitica users! Use the Gold you earn to buy in-game or custom rewards, like watching an episode of your favorite TV series. -
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Loop Habit Tracker
Mobile app for creating and maintaining long-term positive habits
Loop is a mobile app that helps you create and maintain good habits, allowing you to achieve your long-term goals. Detailed graphs and statistics show you how your habits improved over time. It is completely ad-free and open source. Beautiful, minimalistic and lightweight interface. Loop has an elegant and minimalistic interface that is very easy to use, even for first-time users. Highly optimized for speed, the app works well even on older phones. Habit score. Loop has an advanced formula for calculating the strength of your habits. Every repetition makes your habit stronger and every missed day makes it weaker. A few missed days after a long streak, however, will not completely destroy your progress, unlike many other don't-break-the-chain apps. Flexible schedules. In addition to daily habits, Loop supports habits with more complex schedules, such as 3 times per week or every other day. -
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ffsend
Easily and securely share files from the command line
Easily and securely share files and directories from the command line through a safe, private and encrypted link using a single simple command. Files are shared using the Send service and may be up to 1GB. Others are able to download these files with this tool, or through their web browser. All files are always encrypted on the client, and secrets are never shared with the remote host. An optional password may be specified, and a default file lifetime of 1 (up to 20) download or 24 hours is enforced to ensure your stuff does not remain online forever. This provides a secure platform to share your files. History tracking your files for easy management, ability to use your own Send hosts. Inspect or delete shared files, accurate error reporting. Streaming encryption and uploading/downloading, very low memory footprint. Intended for use in scripts without interaction. -
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Anytype Kotlin
Official Anytype client for Android
anytype-kotlin is the core engine of Anytype, a local-first, peer-to-peer knowledge graph app designed for self-sovereign digital organization. The Kotlin-based backend handles data storage, synchronization, and cryptographic identity management, empowering users to create and share structured documents, databases, and networks of linked information without relying on centralized infrastructure. It offers full offline support, encrypted syncing, and identity verification through the Anytype protocol. The engine is built to be portable, efficient, and interoperable with other components in the Anytype ecosystem. -
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Nextcloud Notes for Android
Android client for Nextcloud Notes app
Nextcloud Notes Android is the official mobile client that enables users to create, edit, and manage notes stored on a Nextcloud server, making it possible to access personal notes securely from anywhere. Designed to integrate with Nextcloud’s server-side Notes app, this Android application supports multiple accounts, allowing users to operate against different servers or accounts within a single interface. It provides a full suite of note management tools including creation, editing, search, sharing, and deletion of notes, along with support for rendering markdown content so that formatted text and lists are displayed accurately. Additional conveniences like toggling checkboxes in view mode, marking favorites, bulk delete operations, and widgets for home screens make it a versatile companion for productivity on the go. The app also embraces modern UI features like dark mode and localized language support, enhancing usability across devices and regions. -
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Simplenote for Android
Simplenote for Android
Simplenote for Android is the open-source Android client for Simplenote, a lightweight, fast, and free note-taking app that syncs text notes, to-dos, and ideas across all devices automatically. The Android version provides a clean and minimalist interface optimized for phones and tablets where users can quickly jot down thoughts, organize them with searchable tags, and have everything backed up and synchronized via the Simplenote service. Users can also create checklists, pin important notes for quick access, and instantly find content using powerful keyword search tools. The app supports Markdown formatting, letting users add structured text like headers, lists, and links with easy previewing. Because it ties into the same Simplenote account used on iOS, macOS, web, or desktop apps, content stays consistent and accessible regardless of the platform you use. -
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Mindwtr
A complete Getting Things Done (GTD) productivity system for desktop a
Mindwtr: The Privacy-First GTD System Mindwtr is a Getting Things Done (GTD) productivity tool designed for "Mind Like Water." It runs completely offline—no accounts, no tracking, and no subscriptions. The Core GTD Workflow Capture: Instantly offload thoughts to your Inbox. Clarify: Process tasks rapidly with the built-in "2-Minute Rule" timer. Organize: Sort tasks by Contexts (@work, @home), Areas, and Projects. Reflect: Keep your system trustworthy with a guided Weekly Review. Engage: Filter Next Actions by energy level or time available. Powerful Features Local-First: Your data lives on your device (SQLite). You own it 100%. Flexible Sync: Sync privately via File System (Syncthing, iCloud) or WebDAV (Nextcloud). Focus View: A unified dashboard for your calendar events and next actions. Kanban Boards: Visualize projects with drag-and-drop columns. Stop managing your data. Start getting things done. -
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Binaural Beats
Brainwaves entrainment, auto hypnosis & lucid dreaming on Android
Brainwaves entrainment, auto-hypnosis & lucid dreaming with an Android phone. This Android application is completely free and open-source, released under the GPL V3 license. To install, search for binaural beats therapy in the market or click on the link directly from your phone. Binaural beats stimulate your brain by sending special auditory artifacts directly into your headphones to produce subtle changes in behavior though the entrainment of brainwave frequency. -
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Medito App
The Medito app is a 100% free meditation app built with flutter
Meditation can positively transform people's lives. We believe no one should have to pay for it. We are the Medito Foundation, and we've built the Medito App for people who have never meditated before or want to deepen their meditation practice. The app is free, forever: no ads, no spam, no need to sign up or pay. Medito App is a flutter project available on Android and iOS maintained by the Medito Foundation and its community. With our app’s holistic approach, you can find guided and non-guided meditations from Medito Foundation and various other organizations such as UCLA; all of which are based on ancient as well as recent meditation techniques. Just spend a few minutes per day on the app using the various features and discover the life-changing benefits, positivity, and transformative effects of meditation in your life. -
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Omni-Notes
Free and powerful note-taking application
Omni-Notes is a powerful open-source note-taking application for Android designed to be both smart and simple. It has a clean and simple Material Design interface and is packed with plenty of smart features. These include image, audio and generic file attachment, a To-do list, Google Now integration, numerous widgets and so much more. Omni-Notes takes note-taking to a whole new level, making it more convenient and integrated. It's an ideal note-taking application particularly for old Android phones without such apps, giving users an updated look and experience when taking down notes. -
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TrueTime
Android NTP time library. Get the true current time
A library that provides accurate, real-world time to Android applications, synchronizing with network time protocols to ensure precise timekeeping. -
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Data Envelopment Analysis using Stata
Unified Data Envelopment Analysis commands for Stata
DEAS provides Data Envelopment Analysis tools for Stata. Version 2.0 is a major update centered on a unified dea command for Stata 16 or later. It consolidates sixteen DEA model families into one interface, keeps backward compatibility with the original inputs = outputs syntax, and adds a fast Mata two-phase revised simplex engine alongside Stata's LinearProgram() IPM engine. The package supports radial technical efficiency (CCR/BCC), SBM, additive model, radial and SBM super-efficiency, multiplier form, directional distance function, cost, revenue, profit, allocative efficiency, FDH, imprecise DEA, undesirable outputs, SBM with undesirable outputs, and congestion analysis. Extension commands provide Malmquist productivity index, window analysis, network DEA, cross-efficiency, bootstrap DEA, fuzzy DEA, and research-oriented game-theoretic DEA diagnostics. The release includes Stata help files, an OECD education application, and forthcoming Stata article and supplement materials. -
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AppLovinMax
An extension to show AppLovinMax ads from your application
An extension to show AppLovinMax ads from your application. MAX is AppLovin's in-app monetization solution. Move beyond the traditional monetization solution and integrate MAX. MAX is a single unbiased auction where advertisers get equal access to all ad inventory and bid simultaneously, which drives more competition and higher CPMs for you. MAX sizes banners from other networks normally. Adaptive banners are responsive banners with heights that derive from the device type and the width of the banner. -
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Orgzly
Outliner for taking notes and managing to-do lists
An Android-based note-taking app focused on productivity and organization, using the Org mode format. -
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Simple Notes
A simple textfield for adding quick notes without ads
If you need to take a quick note to make a shopping list, a reminder for an address, or a startup idea, then look no further as this is the simple organizer tool you've been looking for Simple Notes. To-do list organizer and planner, the best note-taking apps, and sticky notes are free for Android mobile phones. No complicated setup steps are needed, just tap the screen and type in what you came for and create notes, quick lists, checklists, or backup for any idea. With your simple personal notebook, you can remember anything fast. A shopping list for groceries, a to-do list for your daily agenda, and easier note-taking to make setting up meetings a walk in the park. Simple notes planner is a quick, simple-to-use organizer and remarkable note-taking colorful widget and it will serve as an invaluable tool helping you to remember necessary pieces of information or shopping lists in the mall. -
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Lifeograph
Cross-platform, parametric note-taking application
Lifeograph combines powerful features with a clean and thoughtfully designed interface. Your data stays on your device, and built-in encryption keeps privacy at the core. With WYSIWYG editing, your entries always appear in their final form. Integrated data extraction tools transform your journal entries into dynamic tables and charts. -
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Intention Repeater MAX
Repeating your Intentions to aid in manifestation
Please see the README.txt. The ServitorConnect 4443 and Python Daemon and Intention Repeater Android are better because repeating once-per-hour is better than millions of times per second (or even 3Hz). The archive bundle includes binaries and source code for: MAX and Simple Intention Repeaters CUDA version for Windows/Linux Memory Frequency Generator Multi-Format to WAV Repeater Android app Sourcecode File/Image Writers Nesting Files Creator Prayer Wheel Spiritual Chat Tarot WiFi Broadcast Whether you're seeking to manifest abundance, enhance your spiritual journey, or promote overall well-being, Intention Repeater MAX empowers you to harness the incredible strength of intention repetition. Compatible with Windows, macOS, and Linux. Download now and experience the life-changing benefits for yourself! 🙌 -
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MindZJ
An open-source, offline note-taking app with native AI & CLI
MindZJ is a knowledge management and idea organization tool designed to help users structure, connect, and visualize information in a meaningful way. It focuses on enabling users to create and manage interconnected notes, forming a network of ideas that can evolve over time. The system provides tools for organizing thoughts, tracking relationships between concepts, and building a personal knowledge base. It is particularly useful for research, learning, and creative workflows where capturing and linking ideas is essential. The platform emphasizes simplicity and clarity, offering a clean interface that minimizes distractions while supporting complex knowledge structures. It also supports extensibility, allowing users to adapt the system to their specific needs and workflows. Overall, mindzj serves as a flexible environment for building and navigating structured knowledge systems. -
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My Brain
Open-source, All-in-one productivity app for Tasks, Notes, Calendar
My Brain is an Open source, All-in-one productivity app for Tasks, Notes, Calendars, Diary, and Bookmarks. Private with no data collection and no internet permission at all. Create tasks with priority, sub-tasks, descriptions, and due dates and reminders. Create Notes that support markdown which enables you to use Headers, lists, links, etc. Record your mood daily and view your mood summary with beautiful graphs. -
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Zulip
Powerful open source team chat application
Zulip is a powerful open source group chat application that combines the immediacy of real-time chat with the productivity benefits of a threaded conversation model. Zulip’s unique threading model allows users to easily catch up on important conversations, helping to save time and increase productivity. -
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zen
Minimal meditation app
Mobile app for meditation. You can set min and max time, and when you start meditating the app randomly picks a time for you between those values. Set min and max time. Each session of meditation time is picked between those values. Satisfying jingle when completing a meditation. Doesn't keep ringing so you can continue meditation if you want. See basic stats: How many sessions, total time meditated, and your average session length. Open-source and lightweight. All data is stored with Hive, in multiple different boxes. Check hive_helper.dart for more info. All pictures are from unDraw or many pixels. All of the unDraw pictures are modified. You can find the original .svg files and .psd files inside /the assets-original directory. Finished edited pictures are inside /the assets directory. -
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HadisKu
HadisKu - Aplikasi Kitab Hadis 14 Imam | hadith / hadist
Di era digital ini, akses terhadap ilmu pengetahuan Islam menjadi semakin penting dan mudah dijangkau. HadisKu hadir sebagai solusi komprehensif yang menghadirkan koleksi hadis autentik dari 14 Imam terkemuka dalam satu platform yang dapat diakses di mana pun dan kapan pun. 📚 Koleksi Hadis Lengkap dari 14 Imam HadisKu menghadirkan perpustakaan digital yang kaya dengan koleksi hadis dari para ulama terkemuka: - Hadis Imam Bukhari - Hadis Imam Muslim - Hadis Sunan Tirmidzi - Hadis Sunan An Nasai - Hadis Sunan Abu Dawud - Hadis Sunan Ibnu Majjah - Hadis Sunan Ad Darimi - Hadis Musnad Ahmad - Hadis Muwatha Malik - Hadis Sunan Daruquthni - Hadis Shahih Ibnu Khuzaimah - Hadis Shahih Ibnu Hibban - Hadis Al Musdatrak - Hadis Musnad Syafii Aplikasi HadisKu tersedia di berbagai Platform OS, diantaranya: Android, Linux, Windows - Playstore : https://play.google.com/store/apps/details?id=com.flagodna.hadisku - Desktop : https://github.com/Flagodna-Developer/hadisku/releases
