Open Source

A sport tracking buddy that respects your privacy. Sport and outdoor activities grants happiness, skill and confidence. Value your health by keeping track on your training. Records as you go running or walking, and gives you a bike computer with a bigger screen for cycling. Mark interesting locations along your way with pictures. Keep recorded statistics in great detail for analysis. Share only the data you want others to have. * Voice announcements. * Supports Bluetooth LE sensors: heart rate, speed and distance (cycling), cadence (cycling), and power meter (cycling). * Altitude gain and loss: via barometric sensor. * Altitude shown in EGM2008 (above mean sea level); exported as WGS84. * Export data as tracks either as KMZ (incl. photos), KML, or GPX. * No Internet access or extra permissions. * Dark and light theme, respecting system settings. * No ads. Libre software / Free Software / Open Source meaning you can use, study, change and share the source code. Licensed Apache 2.0

A sport tracking buddy that respects your privacy. Sport and outdoor activities grants happiness, skill and confidence. Value your health by keeping track on your training. Records as you go running or walking, and gives you a bike computer with a bigger screen for cycling. Mark interesting locations along your way with pictures. Keep recorded statistics in great detail for analysis. Share only the data you want others to have. * Voice announcements. * Supports Bluetooth LE sensors: heart rate, speed and distance (cycling), cadence (cycling), and power meter (cycling). * Altitude gain and loss: via barometric sensor. * Altitude shown in EGM2008 (above mean sea level); exported as WGS84. * Export data as tracks either as KMZ (incl. photos), KML, or GPX. * No Internet access or extra permissions. * Dark and light theme, respecting system settings. * No ads. Libre software / Free Software / Open Source meaning you can use, study, change and share the source code. Licensed Apache 2.0

A YouTube Music client with Material Design 3, for Android. Features: - Ad-free playback - Background playback - Advanced search - Integrated login - Library management - Offline mode - Synchronized lyrics - Silence skipping - Audio normalization - Tempo and pitch control - Dynamic theme - Multi-language support - Android Auto support - Material Design 3 - Download covers - Customize playlist minuatures - Add a custom Avatar

An open source unofficial USOS app, for students in Poland. Here you can set and receive notifications about upcoming classes view your grades view your test results check your class schedule see the academic year calendar fill out university surveys send emails to university staff Currently supported universities ...-Uniwersytet Jagielloński ...-Politechnika Wrocławska ...-Chrześcijańska Akademia Teologiczna w Warszawie.

OpenVK Legacy is a mobile client for OpenVK for retro devices running Android 2.1 Eclair and higher. Code provided here is not stable yet. OpenVK is an open source social network inspired by VK.

With the VPNService in Android 4.0+ it is possible to create a VPN that doesn't need root access.

OpenVine is a camera app inspired by the mechanics of the classic Vine application. It allows you to create short, looping videos with ease. Features: The app records only while you keep the big red button pressed. You can release the button to change angles or scenes. Once you have recorded a total of 6 seconds, the app automatically stitches all the clips together into a single video file. This is purely a camera utility. There is no external server, no account login, and no cloud tracking. Videos are stored locally on your device. You can easily forward them to instant messengers, email, or social networks using the built-in Android share functionality. Artistic effects: The selfie camera may record upside-down on certain devices. This is definitely not a bug but an artistic choice. If you do not want to record upside down, rotate your phone by 180 degrees before recording selfies.

OpenVitals is a private Android dashboard for Health Connect. It helps you review activity, sleep, heart, body, hydration, nutrition, mindfulness, vitals, and optional cycle data in one local app. Your health data stays on your device. OpenVitals has no account, no cloud sync, no ads, no analytics SDKs, and no app-level internet permission. The dashboard reads from Health Connect only after you grant permissions. Manual entries are written back to Health Connect only when you explicitly save them. What you can do * View a daily Health Connect dashboard with grouped health and fitness cards * Explore period-based detail screens with Day, Week, Month, and Year views * Review Daily Readiness with Body Energy, Training Readiness, HRV status, intensity minutes, physiological stress, adaptive goals, and local explanations * Review steps, distance, calories, floors, elevation, and workout sessions * Review sleep sessions, duration, and sleep stages * Review heart rate, resting heart rate, HRV, blood pressure, SpO2, respiratory rate, body temperature, VO2 max, body metrics, hydration, nutrition, and mindfulness data when available * Review Fat-Free Mass Index (FFMI) when weight, height, and body fat data are available * Add and edit OpenVitals-created hydration, body measurement, vitals, mindfulness, and activity entries directly in Health Connect * Track achievement badges for activity, distance, floors, workouts, hydration, sleep, and mindfulness milestones * Import GPX, KML, KMZ, and FIT activity routes, preview them, and save route-backed workouts * Import supported Apple Health export records into Health Connect * Record GPS activities with pause, resume, finish, discard, route preview, distance, elevation, moving time, configurable recording dashboard, Focus mode, keep-screen-on support, and a persistent recording notification * Connect experimental Bluetooth LE heart-rate, cadence, power, and footpod sensors during activity recording, including heart-rate monitoring for supported strength and repetition training * Estimate active and total calories for imported and recorded activities before saving * Enable opt-in hydration reminders with active hours and daily-goal pause logic * Choose a fixed Mon-Sun activity week or a rolling last 7 days * Choose metric or imperial units * Grant sensitive cycle permissions only when you want that data shown Why OpenVitals * Private by design: no account, no cloud sync, no ads, no analytics * Dashboard focused: the home screen is read-only unless you choose to add an entry * Health Connect as source of truth: OpenVitals does not keep a separate health record database * Permission-aware: use one-tap setup or grant clear data categories individually, then change permissions later * Open source: code, release notes, and builds are available for review Requirements OpenVitals requires Health Connect. On Android 14 and newer, Health Connect is part of Android. On Android 13 and older, install the Health Connect app separately. Health disclaimer OpenVitals is for general wellness and informational use only. It is not a medical device and does not provide medical advice. It does not diagnose, treat, cure, or prevent any disease or medical condition. Always consult a qualified healthcare professional for medical advice, diagnosis, or treatment.

For use in location services when no GPS is available (similar like Google does but free and open and with an option to unsubscribe). OpenWLANMap@Android is an App that helps to collect WLANs and their positions and where user take part at a tracking contest.

For use in location services when no GPS is available (similar like Google does but free and open and with an option to unsubscribe). OpenWLANMini@Android is an as small and slim as possible App that helps to collect WLANs and their positions and where users take part at a tracing contest. This App is limited to the minimal functionality that is required to do this job but does not come with additional features like a live map.

OpenWOL is a simple, private and efficient Wake-on-LAN app for Android. Send a Magic Packet to any device on your local network with a single tap. No account, no cloud, no tracking — everything stays on your device and your local network. FEATURES - Send Wake-on-LAN Magic Packets to wake up devices on your local network - Create automations to trigger a wake up command on a specific SSID (WiFi) connection - Notify (if enabled) when an automation is triggered - Privacy first: no tracking, no ads, zero data collection and fully open-source - No network scanning & no background pings - Simple and straight to the point app PERMISSIONS Location permissions (ACCESS_COARSE_LOCATION, ACCESS_FINE_LOCATION, ACCESS_BACKGROUND_LOCATION) are used exclusively to read the Wi-Fi network name (SSID) in order to trigger automations. Android requires these permissions to access the SSID. No location data is ever collected, stored, or shared. These permissions are only requested when the user enables the optional Automations feature. SETUP 1. Enable Wake-on-LAN in your device's BIOS (look for "Wake on Magic Packet" or "Power On By PCI-E"). 2. On Windows, enable "Wake on Magic Packet" in Device Manager under your network adapter's Advanced properties. 3. Add your device in OpenWOL and tap its card to send a Magic Packet. 4. Optionally, create an Automation to wake your device automatically when connecting to your home Wi-Fi. PRIVACY OpenWOL collects no data. There are no analytics, no ads, no trackers. Location permissions are used only to read the Wi-Fi SSID for automations, no location data is ever stored or shared. Automations are optional and the app works fully without them.

OpenWebWeaver allows you to interact with WebWeaver based online leaning platforms. Credentials provided by your institution are required in order to use this app. Tasks Read, edit and create tasks Board notifications Read, edit and create board notifications Contacts Read, edit and create contacts Notes Read, edit and create notes Messenger Send and receive messages Mail service Send and receive emails File storage Upload and download files from file storage System notifications View system notifications Forum Read forum posts and comments

This app allows you to view the status of your OpenWRT devices using LuCI commands. LuCI must be installed on OpenWRT device. You can connect to multiple devices in the app and select which info is shown. Currently mainly viewing data and status is available. Available actions: Reboot the device. (Devices Page) Disconnect a selected Wi-Fi client from the list (Long press). Restart network interface. It is recommended to enable HTTPS for LuCI on your device.

NOTE: This app is no longer maintained. But it still works.Please report should this have changed. Opengur is an Material Design open-source Imgur client with support for albums, Muzei, Gifs / GifV image formats and more.

OpeningHoursManager is a simple, privacy-friendly app that allows you to manage the opening hours of your favorite stores locally.Material DesignAll data exclusively on your deviceNo access the internet

Openlib is an open source app to download and read books from shadow library (Anna’s Archive). The App Has Built In Reader to Read Books. As Anna’s Archive doesn't have an API, the app works by sending requests to Anna’s Archive and parses the response to objects. The app extracts the mirrors from the responses, downloads the book and stores it in the application's document directory. Note : The app requires VPN to function properly . Without VPN the might show the captcha required page even after completing the captcha Main Features: Trending Books Download And Read Books With In-Built Viewer Supports Epub And Pdf Formats Open Books With Your Favourite Ebooks Reader Filter Books Sort Books

Openreads is the best app for keeping track of your books that is free, open source, with no ads and no tracking! It is a reading list app that will help you organize your library with four lists provided: books you finished, books you are currently reading, books you want to read later, books you didn't finish. You can also use custom tags and filter through them. Openreads supports adding a book by looking it up in the Open Library database, scanning its barcode or entering the book's details manually. You can also view some cool statistics!

Sort processes by CPU usage, memory usage, PID, or process name. Kill processes with precision. View detailed process information.

Instead of "Artists" and "Songs" in pop(ular) music, this program uses the metadata composer and grouping to organise the music in works (e.g. a symphony) consisting of movements (parts of this work). Further, no text is truncated, i.e. long movement names or performer lists will take as much space on the screen as they need to be visible in full length. This application might be seen as an advanced version of the Unpopular Music Player, with added music database query functionality and further enhancements. The program can work together with the Classical Music Tagger and the Classical Music Scanner. Features: * Starts with album list and cover art. * Nowhere text is truncated (with "..."), even the longest work and movement descriptions get the space they need. * Composer and grouping (work, movements) * Views: albums, composers, works, genres, performers, folders * Filter for combinations of composer, genre etc. * Text search * Play lists * "gapless" playback (as far as supported by Android) * If configured, uses database built by Classical Music Scanner, otherwise the system database. * Call Classical Music Tagger or Classical Music Scanner directly from app * Meta data transferred via Bluetooth to car radio * Six colour themes * Scalable UI, also for tablets * Portrait and landscape orientation * Perfect gendering-ism, especially designed for useresses and users from German civil service.

Orange is a Xposed module that support to specify orientation per app, which is useful for some app that need specified orientation to get better experience (such as MAME4droid).Note: The module config uses content provider, which needs the permissions of autostart and running in the backgraound, otherwise it will not work properly.After installing the module, set up these permissions via app info setting page.

Rotating circles that respond to your touch. Wallpaper that takes up little ram.

Tor on Android

Orbot is a free VPN and proxy app that empowers other apps to use the internet more securely. Orbot uses Tor to encrypt your Internet traffic and then hides it by bouncing through a series of computers around the world. Tor is free software and an open network that helps you defend against a form of network surveillance that threatens personal freedom and privacy, confidential business activities and relationships, and state security known as traffic analysis. Orbot is the only app that creates a truly private internet connection. As the New York Times writes, “when a communication arrives from Tor, you can never know where or whom it’s from.” Tor won the 2012 Electronic Frontier Foundation (EFF) Pioneer Award. ★ ACCEPT NO SUBSTITUTES: Orbot is the safest way to use the Internet on Android. Period. Orbot bounces your encrypted traffic several times through computers around the world, instead of connecting you directly like other VPNs and proxies. This process takes a little longer, but the strongest privacy and identity protection available is worth the wait. ★ PRIVACY FOR APPS: Any app can be routed over Tor via the Orbot VPN feature ★ PRIVACY FOR EVERYONE: Orbot prevents someone watching your connection from knowing what apps you are using or websites you visit. All anyone monitoring your network traffic can see is that you're using Tor. ***We Love Feedback*** ★ LEARN MORE: Learn more about Orbot and get involved at https://orbot.app ★ ABOUT US: Guardian Project is a group of developers that make secure mobile apps and open-source code for a better tomorrow. ★ OPEN-SOURCE: Orbot is free software. Take a look at our source code, or join the community to make it better: https://github.com/guardianproject/orbot ★ MESSAGE US: Are we missing your favorite feature? Found an annoying bug? We’d love to hear from you! Send us an email: support@guardianproject.info ***Disclaimer*** Guardian Project makes apps that are designed to protect your security and anonymity. The protocols that we use are widely regarded as the state of the art in security technology. While we are constantly upgrading our software to combat the latest threats and eliminate bugs, no technology is 100% foolproof. For maximum security and anonymity users must utilize best practices to keep themselves safe. You can find a good introductory guide to these topics at https://securityinabox.org

Orfox is built from the same source code as Tor Browser (which is built upon Firefox), but with a few minor modifications to the privacy enhancing features to make them compatible with Firefox for Android and the Android operating system. Orfox REQUIRES Orbot app for Android to connect to the Tor network. In as many ways as possible, we adhere to the design goals of Tor Browser (https://www.torproject.org/projects/torbrowser/design/), by supporting as much of their actual code as possible, and extending their work into the additional Android components of Firefox for Android. ** Also, includes NoScript and HTTPSEverywhere add-ons built in! The Tor software protects you by bouncing your communications around a distributed network of relays run by volunteers all around the world: it prevents somebody watching your Internet connection from learning what sites you visit, it prevents the sites you visit from learning your physical location, and it lets you access sites which are blocked. Learn more at: https://guardianproject.info/apps/orfox * * How is Orfox different than Tor Browser for desktop? * The Orfox code repository is at https://github.com/guardianproject/tor-browser and the Tor Browser repository is here:https://gitweb.torproject.org/tor-browser.git/. The Orfox repository is a fork of the Tor Browser repository with the necessary modification and Android-specific code as patches on top of the Tor Browser work. We will keep our repository in sync with updates and release of Tor Browser. * Orfox is built from the Tor Browser repo based on ESR38 (https://dev.guardianproject.info/issues/5146https://dev.guardianproject.info/news/221) and has only two modified patches that were not relevant or necessary for Android * Orfox does not currently include the mobile versions of the Tor Browser * Button, but this we will be added shortly, now that we have discovered how to properly support automatic installation of extensions on Android (https://dev.guardianproject.info/issues/5360) * Orfox currently allows for users to bookmark sites, and may have additional data written to disk beyond what the core gecko browser component does. We are still auditing all disk write code, and determining how to appropriately disable or harden it. (https://dev.guardianproject.info/issues/5437) * * How is Orfox different than Orweb? Orweb is our current default browser for Orbot/Tor mobile users (https://guardianproject.info/apps/orweb) that has been downloaded over 2 million times. It is VERY VERY SIMPLE, as it only has one tab, no bookmark capability, and an extremely minimal user experience. Orweb is built upon the bundled WebView (Webkit) browser component inside of the Android operating system. This has proven to be problematic because we cannot control the version of that component, and cannot upgrade it directly when bugs are found. In addition, Google has made it very difficult to effectively control the network proxy settings of all aspects of this component, making it difficult to guarantee that traffic will not leak on all devices and OS versions. Orweb also only provides a very limited amount of capability of Tor Browser, primarily related to reducing browser fingerprinting, minimizing disk writes, and cookie and history management. It trys to mimic some of the settings of Tor Browser, but doesn’t actually use any of the actual code written for Tor Browser security hardening.