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Orientation Lock is a simple open source app to lock the screen orientation, for Android 5.0+.Features:Minimalist and lightweight: less than 100KB in size;Clean design: easy-to-use interface;Open source: no dependencies, no ads, no trackers.Why Orientation Lock?When using an Android tablet, you might find that some applications do not support landscape mode or specific orientations. This was quite troublesome for me. I tried several screen orientation locking apps available on the market, but they were overloaded with features. I simply needed an app to lock the screen orientation, so I decided to create one myself.The principle behind locking the screen orientation is very simple: it involves using a floating window to render a view in a specified orientation. This is just a straightforward application, and I wanted to keep it lightweight. Therefore, I implemented it using native methods without any third-party libraries. Pretty cool, isn’t it?

WebKit-based browser for macOS and iOS with native ad blocking and zero telemetry.

Orion Viewer is pdf, djvu, xps, cbz and tiff file viewer for Android devices based on mupdf and DjVuLibre libraries. Application features: Outline navigation Bookmarks support Page navigation by screen taps + Tap Zones + Key binding Text selection Single word selection by double tap with translation in external dictionary Custom zoom Custom manual and auto border crop Portrait/landscape orientation Support different navigation patterns inside page (left to right, right to left) External Dictionaries support Built-in file manager with recently opened file view

Measure the microphone audio input as well as a USB Oscilloscope on sale from the website.

An audio oscilloscope and spectrum. * Timebase 0.1 ms - 0.5 sec * Sync control * Single shot * Storage * Index * Spectrum There are toolbar icons to control single step, sync timebase, storage and scrolling. The spectrum display has a display lock function and shows the current dominant frequency and signal level in the toolbar.

Oshi Uploader Android Client App features: - Add your own oshi instances or use the publicly available one by default (oshi.ec) - You can enable fingerprint check for SSL certificates - Manage your uploaded files - Keep a history of uploaded files - Share from other apps to create uploads (including text) - Do the upload in background and see the progress in notification - Fully open source open-source repo link: https://codeberg.org/quecomet/oshi/

Osm Go! is a mobile application that allows you to enrich OpenStreetMap directly in the field. Mapping your direct environment has never been so easy and fast. Keep your eyes open and have the right reflex!Osm Go! has been designed to map the POIs (equipment, shops, etc.) that are around you during your Sunday walks – so you don’t have to be an expert to use it!

OsmAnd is an offline maps and navigation app supported by OpenStreetMap data.

An android app for controlling Osram RGB lights using infrared. Your phone needs to have an IR emitter use this app. Currently only supports built-in IR emitters.

Otic lets you stream your Android device's microphone input to the local network using `ServerSocket` and Foreground Service. Otic isn't a receiver, so you must have a custom receiver to receive the audio from the Otic client. Check the README (https://github.com/sakethpathike/Otic/blob/master/README.md) for more details.

Otoscope is a clean, ad-free replacement for the proprietary apps shipped with cheap Wi-Fi otoscope cameras. The stock companion apps — "AIR-Look" (Wudaopu / Xylla hardware) and "EarVision" (Shenzhen Jiding / JEGOAT hardware) — bundle a dozen ad and analytics SDKs (AdMob, AppLovin, IronSource, MBridge, Vungle, Pangle, Mintegral, etc.) and a sprinkling of in-app tracking. Otoscope reimplements just the connection and viewer functionality, with nothing else. Features: * Discover the camera over Bluetooth Low Energy. * Join the camera's Wi-Fi access point in a one-process scope, so the rest of your traffic isn't affected. * Live video stream, decoded in-app over the camera's UDP protocol — pure Kotlin, no FFmpeg, no native blobs. * Auto-rotation driven by the camera's on-board accelerometer / gyro. * Horizontal-mirror toggle for self-examination. * Circular mask matching the otoscope lens. Supported hardware families (the right protocol is selected automatically from the BLE advertisement): * Wudaopu / Xylla — Wi-Fi SSID `Enjoy-XXXXXX` or `JesHome-XXXX`, open AP. * Shenzhen Jiding / JEGOAT — Wi-Fi SSID `softish-XXXXXX`, WPA2. Otoscope is GPL-3.0-or-later and contains no third-party trackers, ad SDKs, or proprietary native libraries.

Otraku aims to support most AniList features and it already covers:Tracking media and managing/filtering collectionsBrowsing/Filtering media/characters/staff/studios/users/reviews/recommendationsForumGeneral/User activity feedsComposing messagesCalendar for release schedulesCustomization with different themes and other optionsAnd more!

OuterTune is a supercharged fork of InnerTune. This app is both a local media player, and a YouTube Music client. Features: YouTube Music client with song downloading (offline playback), background playback, no ADs, and account synchronization Local audio file playback (MP3, OGG, FLAC, etc.) Uses a custom tag extractor instead of MediaStore's broken metadata extractor! (e.g tags delimited with backslash now show up properly) Play local and Youtube Music songs at the same time New integrated library screen design Multiple queues Synchronized lyrics, and support for word by word/Karaoke lyrics (e.g LRC, TTML) Audio normalization, tempo/pitch adjustment, and various other audio effects Android Auto support Notice: Android 8 (Oreo) and higher is supported. While the app may work on Android 7.x, we do not officially support this version OuterTune is in a "stable beta" phase. While this app can certainly be used as your main music player, be aware there is a possibility of bugs, incomplete features, or any other unexpected behaviour. Please report issues on our GitHub page! Please visit our wiki for more information including FAQs, guides, and manuals: https://github.com/OuterTune/OuterTune/wiki/Frequently-Asked-Questions-(FAQ)

Simple OBS remote control, supports image of current scene, scene switching, and starting/stopping recording/streaming. Requires the obswebsocket plugin on OBS.

The Outline Client is a cross-platform VPN or proxy client. The Outline Client is designed for use with the Outline Server software, but it is fully compatible with any Shadowsocks server.

This application uses Outline Server Management API to manage Outline VPN servers. You can find more information on https://getoutline.org Source code of this application is open and available on GitHub under Apache 2.0 license: https://github.com/sirekanian/outline

Outspoke is a free and open-source speech-to-text keyboard for Android.All transcription happens entirely on your device using the NVIDIA Parakeet ASR model via ONNX Runtime - no audio ever leaves your phone, no account required, and no internet connection is needed after the model is downloaded.FeaturesFully on-device inference - completely privateWorks as a standard Android Input Method (IME) in any appDownloads the model once over Wi-Fi; works offline afterwardsNo Google Play Services, Firebase, or any third-party telemetryMinimal permissions: microphone, notifications, foreground serviceRequirementsAndroid 11 (API 30) or higher~700 MB free storage for the model fileOpen Source Outspoke is licensed under GPL-3.0 license. Source code and build instructions are available on GitHub.

Mobile application for browsing imageboards. Supports 4chan, krautchan, 8chan, iichan.hk, dobrochan, 2ch (russian dvach) and some others. Some features: * Separate preferences for each imageboard: password for post deletion, HTTP/SSL, proxy * Automatic hide posts and threads using regular expressions * Automatic update all open tabs in background * Sending posts in background * Saving threads with all attachments in HTML with Dollchan * Two ways to display replies to posts: as separate references and as list * Support the tablet interface * Themes This is a fork of the original app https://f-droid.org/packages/nya.miku.wishmaster which is no longer being developed by its author.

Meet Overmorrow, a beautiful material design weather app, that makes checking the weather a breeze.🎉 Features: 📡 Full screen precipitation radar: Track storms in real-time, with 20 minutes of future forecast🗓️ 14 day forecast: Plan your days ahead easily with 14 days of forecast🖼️ Beautiful weather images: The weather images seamlessly adapt to your current weather condition📱Home screen weather widgets: Beautiful Material-You home screen widgets🕒 72 hour forecast: Track the temperature, precipitation chance, wind-speed, uv and more for the next 72 hours🍃 Dedicated Air quality page: Track pollen, air pollutants, dust, and more, with 5 days of aqi forecast☔ 15 minute rain trend: See the overview of the precipitation in the next 6 hours in 15 minute intervals🗃️ 3 different weather providers: Choose the weather source that you find best🛜 Offline mode: See previously loaded data, when offline📢 Weather alerts: Get notified about upcoming storms, floods, and severe weather alerts⏳ Current conditions: Check the current temperature, feels like, wind speed, humidity and more🌅 Sunrise/sunset times: Know the time when the sun will rise and set⭐ Favorite places: Save your favorite cities, to always have them just a tap away🔳 Tablet mode: The app automatically adapts to your device's form factor to always utilize all the screen space✏️ Customization: Customize app colors, image source, and layout to your liking🎨 Material You design: Designed from the ground up with Google's material 3 principles

Oversec transparently encrypts and decrypts any text in any app You can use it to exchange private encrypted and covert chat- or email messages or store your own encrypted notes on your phone. See our demo videos: * Introduction * Encrypting Emails * Encrypting Images Oversec is completely agnostic of the subjacent app, it works with Whatsapp™, Line™, Snapchat™, Instagram™ or any other chat app. It also supports sending and receiving PGP encrypted messages with the Gmail™ or any other Email app. End-to-End Encryption was yesterday. Oversec introduces "Eye-to-Eye" encryption. Encrypted data is only decrypted while it is shown on the screen! No clear text is ever persisted and thus cannot be extracted from the file system or accidentally be backed up into the cloud. We also carefully designed Oversec so that it doesn't require internet access. Because of that, you can rest assured that no decrypted information can ever leave your device. How it works: Oversec constantly monitors the text on your screen. When it finds an encrypted text, it tries to decrypt it and then shows the decrypted text as an overlay in place of the encrypted text. Conversely, it can read text out of an input field, encrypt it, and then put the encrypted text back into the input field. In order to encrypt a text, Oversec shows a button next to an active input field. After having entered the secret text, tapping that button makes Oversec read the text, encrypt it and put back the encrypted text into the field. It is now ready to be sent in the subjacent app as usual - the app doesn't even know that it is sending encrypted data! Oversec also features a unique way of encoding the encrypted messages. It stores the encrypted text in invisible (zero-width) characters and let's you add decoy text at the end. That way, a message will just show e.g. "The sun is shining!" with no visible sign of any encryption, whereas in reality it contains a hidden encrypted message. You may also encrypt and send photos through Oversec - its unique camera mode even allows you to take and send an encrypted photo without ever storing the original photo on the device. Oversec encrypts your data either using symmetric keys (using ChaCha20 cipher + Poly1305 MAC ) or using asymmetric PGP encryption (making use of the OpenKeychain app). The code is open source and can be found here. This app uses Accessibility services.

Oware is a board strategy game of African origin. Among its many names are Ayò, Awalé, Wari, Ouri, Ouril or Uril. Move Your seeds along the board and grab scores from the opponent pits. Check https://en.wikipedia.org/wiki/Oware for the game rules. Play with a friend or against a computer player.

OwnDroid is a DPC (device policy controller) app.It supports the following working modes:Device ownerProfile owner (only in secondary users)Work profileDhizukuIt has the following features:System: disable camera, disable screenshot, master volume mute, disable USB signal, lock task mode, wipe data...Network: add/modify/delete Wi-Fi, network stats, network logging...Applications: suspend/hide app, block app uninstallation, grant/revoke permissions, clear app storage, install/uninstall app...User restriction: disable SMS, disable outgoing call, disable bluetooth, disable NFC, disable USB file transfer, disable app installing/uninstalling...Users: user information, create/start/switch/stop/delete user...Password and keyguard: reset password, set screen timeout...

OwnTracks allows you to keep track of your own location. You can build your private location diary or share it with your family and friends. OwnTracks is open-source and uses open protocols for communication so you can be sure your data stays secure and private. For more information see our documentation (http://owntracks.org/booklet)