Open Source

A free and open source Jabber/XMPP client for Android. Easy to use, reliable, battery friendly. With built-in support for images, group chats and location sharing. End-to-end encrypted by default. Connects to all modern Jabber, XMPP and Snikket servers. Features • End-to-end encryption with OMEMO or OpenPGP • Send and receive images and other kinds of files • Encrypted audio and video calls (DTLS-SRTP) • Advanced machine-in-the-middle detection via channel binding (requires opt-in) • Share your location • Send voice messages • Emoji reactions • Indication when your contact has read your message • Intuitive UI that follows Android design guidelines (Material Design 3 with Dynamic Colors) • High-resolution contact photos (avatars) • Synchronizes with desktop clients (Gajim and Dino) • Private group chats and public conferences (with support for bookmarks) • Message moderation for admins in public conferences • Address book integration • Multiple accounts (unified inbox) • Deliver push notifications to other compatible apps like Tusky, Ltt.rs, DAVx⁵ and Fennec via UnifiedPush • Very low impact on battery life Note: Some of these features require server support. Go to account details and select 'Server Info' from the overflow menu to see if your server has all necessary extensions. Design principles • Be as beautiful and easy to use as possible without sacrificing security or privacy • Rely on existing, well-established protocols • Do not require a Google account or specifically Firebase Cloud Messaging (FCM) • Require as few permissions as possible

Converter NOW is an effective unit and currencies converter ✔️ Simplify the tedious conversion process between units of measurement in a few clicks. 🚀 It is fast and immediate: just start typing and immediately you have the real-time conversion with all the other units of measurement. 🖌️ It is customizable: the units can be reorganized according to your priorities and your use. 🔢 It integrates a calculator that let you do the calculations in every page. 💰 Currency exchange rates updated daily 🎨 Dynamic theming based on your device settings ⚫⚪ Choose your favorite theme: dark and white theme 📱🖥️ Multiplatform: available for Android, Web, Linux and Windows 💯 It is free, no ads, no data collection, no permissions (just Internet to update currency conversions) and first of all it is open source! Converter NOW can convert 200+ units of measurement and 30+ currencies 🎉🎉 Here are some of the physical quantity that Converter NOW is able to convert: -Currencies: Dollars, Euro, Pound, Rupee, Yen, etc -Length: meters, inches, miles, yards, light years, etc. -Area: square meters, hectares, acres, etc. -Volume: cubic meters, liters, gallons, pints, spoons, etc. -Time: seconds, hours, days, years, weeks, millennia, etc. -Temperature: Centigrade, Fahrenheit, Kelvin -Speed: meters per second, kilometers per hour, knots, etc. -Mass: grams, pounds, tons, atomic mass units, etc. -Force: Newton, dyne, pound-force, poundal, etc -Pressure: pascal, bar, atmosphere, psi, etc. -Energy: Joule, calories, kilowatt hours, etc. -Power: Watt, kilowatt, horsepower, etc. -Density:: grams per cubic meter, etc. -Fuel consumption: Miles per Gallon, Kilometers per liter, etc. -Numeral systems: decimal, binary, hexadecimal etc. -Torque: Newton meter, pound-force foot, poundal meter, etc. -Digital data: Nibble, bit, byte, kibibit, kibibyte, etc. -Shoes size: UK, India, Europe, USA, Japan, etc. -Angles: degree, radians, minutes, etc. -SI prefix: kilo, mega, giga, tera, milli, micro, nano, etc.

Convertly is a fast and minimal unit converter built with simplicity and privacy in mind. It supports a wide range of categories including length, weight, temperature, volume, speed, and more — all wrapped in a clean, distraction-free interface. Designed to be lightweight, responsive, and entirely offline, Convertly gets out of your way and lets you convert units quickly, without ads, trackers, or unnecessary clutter. Whether you're a student, traveler, or just someone who hates bloated apps, Convertly is made for you. Key Features: • Clean, ad-free interface • Real-time conversion updates • Supports metric and imperial units • 100% offline — no data collected • Lightweight and responsive design Privacy Policy: Convertly does not collect, store, or transmit any user data. All conversions happen locally on your device. There are no analytics, tracking, or advertising libraries included. Your usage stays completely private. License: Convertly is released under the GNU General Public License v3.0 (GPL-3.0). This means you are free to use, modify, and distribute the app — as long as any changes remain under the same license. ✔️ Free and open-source ✔️ No ads or tracking ✔️ Commercial use allowed ❗ Modifications must remain GPL-3.0 Questions or feedback? Reach out to: support@rabbittownsoftware.com

Discover Cooky, your new free and open-source culinary companion that respects your privacy! Enjoy a minimalist and elegant interface. Easily import recipes from the web or create them manually. Experience an intuitive process to create your recipes. Save an unlimited number of recipes and view them offline. Organize your recipes using categories and tags, and easily find them with the integrated search engine. Scroll through the steps with a simple swipe while you cook. Track your ingredient purchases with the integrated shopping list. You can support me by adding a star on my github and/or donate.

Cool Mic is an open source Icecast source client. It livestreams audio captured by your Android device's microphone or mic in / line in jack. It can stream to any Icecast server in the open-source audio formats Ogg/Opus and Ogg/Vorbis. It has many features and a simple, easy to use interface (see screenshots). Cool Mic aims to be the best way to livestream quality audio from your smartphone or tablet. Features: * Streams live audio from microphone or mic/line jack to any Icecast 2.x server * Configurable metadata (Title, Artist) sent to Icecast * Easy sharing of your unique livestream URL * Auto-reconnect feature * Input gain (input volume) slider * Graphical VU meter with adjustable update interval * Active listener count (current * peak/max) * Broadcast length timer * Supports the open source, patent free Ogg/Opus audio codec * Supports the open source, patent free Ogg/Vorbis audio codec * Configurable Opus * Vorbis quality level settings * Configurable Icecast ‘source‘ username * Configurable number of audio channels (1/Mono, 2/Stereo) * Configurable sample rate (8000, 11025, 16000, 22050, 44100, 48000Hz) * Configurable server port (Under “Connection”, use SERVER:PORT) * Scan QR Code for auto-configuration * Allows basic testing by using predefined Cool Mic Test Server configuration (CMTS) * Prevents screen * Wi-Fi sleep mode during livestream * Check current Cool Mic -> Android OS permissions * Simple and easy to use interface

Coordinate Joker is a geocaching add-on for application Locus Map, but works also with other apps that can display waypoints from a gpx, kml, or kmz file. Finally you made it to the pre-final after 3 hours and several miles. A final number to be determined: Count the planks of the bridge ... Hey, where has the bridge gone?! It was replaced by a pipe beneath the ground. What now ...? Look up the logs for potential telephone jokers? No, then I'd rather draw a line in my map, where the final could be located given the formula and missing x ... But wait - Coordinate Joker will do it for you. Just enter the coordinate formulas and it will send the resulting waypoints to your preferred Geocaching app. With a bit of luck, one point will appear close to some path while the others may be far away. Then where would you look for the final? :)

Coppelia is a native, cross-platform music player for Jellyfin libraries. Built for speed and aesthetics, with offline playback and deep library control. Highlights Beautiful, themeable UI with dynamic color accents Fast browsing for albums, artists, genres, playlists, and tracks Full playback controls with queue management and repeat Favorites and offline pinning for tracks, albums, and artists Download manager and offline mode Smart Lists that update automatically Platforms: macOS, iOS, Android, Linux (Windows soon)

Coptic Language pack This is a keyboard layout expansion pack for entering text in Coptic, the last surviving descendent of the Ancient Egyptian Language and a liturgical language of the Christian religious tradition in Egypt. The layout is based on the one from coptic-dictionary.org, but condensed to fit all the letters on a phone keyboard. Some double letters have been combined with singles. That is, long-press on ⲡ for ⲯ, on ⲧ for ⲑ and ϯ, and so on. This is an expansion language pack for AnySoftKeyboard. Install AnySoftKeyboard first, and then select the Coptic keyboard from AnySoftKeyboard Settings -> Languages -> Keyboards menu.

An open-source application that allows you to copy OTP and codes from SMS and notifications automatically by reading all of your notifications. The application works completely offline and without internet permission. So you can be rest assured that your data does not leave your device. If you have any problems or suggestions, submit them in our GitHub repository: https://github.com/jd1378/otphelper/issues

Copy to Clipboard integrates in to the Share menu, allowing you to copy text to the clipboard instead of sharing via an SMS/e-mail/tweet/etc. This is useful when you want to share text to an application that does not implement the regular "send to" functionality, such as GTalk.

The rules are simple: * protect the core (big cyan dot in the center of the screen) as long as possible * gain health (cyan dots) and use shields (blue dots)

CorePatch is a powerful Xposed module that helps you to disable signature verification so that you can easily install apps with inconsistent signatures or downgrade them.

The Global Address List (GAL) lookup available in Android is limited in functionality. It only looks up the email address and does not provide other information that is available in the GAL. This application looks up the GAL and returns ALL data that is available on the Exchange server for the query.

A full fledged Java and Kotlin IDE for Android devices.

Point your phone at the sky and Cosmovisor overlays the satellites passing over you right now on the camera image, in augmented reality. Plus pass predictions, ham-radio tools and a star map. All the orbital math runs on your device. Works fully offline once the public orbital data has been downloaded. FEATURES * AR view: camera preview with satellites drawn at their real sky position, refreshed every second. Tap one for its data. * Satellite list: search by name or NORAD id; filter by category (ISS, Starlink, GPS, weather, science...), object type (payload / rocket body / debris), country/operator, orbit regime (LEO/MEO/GEO/HEO), radio band and "above the horizon now". * Passes: 24-hour pass predictions grouped by day, with opt-in alerts before a pass. * Sky and astronomy: Sun, Moon and planets, Moon calendar, eclipses, a pannable planetarium, Starlink train finder, and bright comets and asteroids from JPL's Small-Body Database. * Ham radio: live full-duplex Doppler (including inverted transponders), rig and rotor control over TCP (rigctld/rotctld), ISS SSTV and APRS decoded from the phone mic, RTL-SDR reception over rtl_tcp (NBFM, SSTV, NOAA APT weather imagery), and a QSO log with ADIF export. All opt-in. * Night mode: a red theme to preserve your dark adaptation. PRIVACY Privacy comes first. No accounts, no ads, no tracking, no telemetry. * Your GPS location is processed only on the device. It is never sent or stored off-device. * The only network requests fetch public orbital data (CelesTrak, and optionally the SatNOGS transponder catalog and JPL small-body data). They are anonymous and carry no personal data or location. * Works offline with the last downloaded data. Cosmovisor is fully de-Googled: no Google Play Services, no Firebase, no trackers. Location uses the AOSP LocationManager and the fonts are bundled, so it runs on degoogled devices. Free software, licensed under the GNU General Public License v3.0 or later (GPL-3.0-or-later).

Countdate lets you know how many days are left to a specific date. Next to the native app, there's also a web version available.Countdate is and will be free to download and use. As it's open source and under a free license, you can even take the code and modify it!Android、iOS: Ready to use native app.Web: Web version of countdate app is also available.Free to Use: As always, this app is free to download and use!Open Source: Since this app is MIT licensed, you can modify it!

A simple countdown timer.

Counter is an app for counting, by clicking + and - you can increase or decrease the number. Counter uses a flip clock design.What can you do with Counter?CountChange CountReset Count

CountryCount is the ultimate companion for keeping track of all the countries you have visited. Visualize your personal travel progress with detailed statistics and insights. Explore new destinations and effortlessly plan your next adventure. Key Features: * Track: Mark 193 UN states with optional dates. * Analyze: Get beautiful statistics on your travel progress. * Discover: Filter the world by different metrics. * Design: Enjoy a state-of-the-art Material Design 3 experience. * Security: No ads. No tracking. Works entirely offline.

This app is a plugin. Prior to use it you should have https://f-droid.org/packages/ch.blinkenlights.android.vanilla installed. Once both player and this plugin are installed, request a context menu from library screen, select "Plugins" and "Cover fetch" afterwards. Note that this plugin requires internet connection to be useful. Features: * Requests artwork by artist and album from musicbrainz * Can interact with Tag Editor plugin: * Can read artwork from file tags and show them without internet connection. * Can write artwork retrieved from wiki to file tags

You are a cow abducted and genetically improved by aliens which now have the opportunity to rebel against livestock industry by freeing the encaged hens and killing butchers. You used to be a regular cow raised as a dairy cow, but you ain't that anymore. You have become better. You are... THE COWEST. The game supports both onscreen buttons / gamepad and also have versions for Windows, GNU/Linux and Mac at https://pipoypipagames.itch.io/cows-revenge All the sprites, sounds and music themes are licensed as Creative Commons Attribution-onCommercial-ShareAlike 4.0 International. Code is licensed as GPL 3.0 and can de found in github: https://github.com/Dariasteam/Cows-Revenge Made with Godot Engine 2.1.5 This is a small amateur project made for learning purposes in our free time by a team of two. Despite we have a lot of nice ideas, we are students and can't dedicate the time we wanted to develop it, so we cannot promise big or frequent updates. Also none of us have English as mother tongue, we apologize for possible mistakes. Have fun!

Cowsay will turn text into happy ASCII cows, with speech (or thought) balloons. If you don't like cows, ASCII art is available to replace it with some other creatures (Tux, the BSD daemon, dragons, and a plethora of animals, from a turkey to an elephant in a snake) * Custom message * Multiple cows (additionnal Droid "cow") * Multiple faces * Say/Think * Share as ASCII or Image * Copy to clipboard

Cowspent is a shared budget manager able to synchronize with Nextcloud Cospend. It is partially based on MoneyBusterWhat did we change from MoneyBuster ?We added more statistics, support for projects marked as archived (hidden by default), added support for custom splits to bills, added a way to add categories to bills missing them. Behind the scenes we migrated the UI and app into Kotlin and Jetpack Compose for a smoother and more modern experience.What's different from other shared budget managers?You can keep your project local or make it synchronize with Nextcloud Cospend projects. This means you can choose where your data is going and preserve your privacy.FeaturesManage projects, members and bills (add/remove/edit)Search bills (by payer, name, amount, date)Generate and share project statistics and settlement planDark theme and customizable main app colorShare/import projects with link/QRCodeConnect to a Nextcloud account to automatically add projectsBackground sync service with notifications on bills eventsMulti-lingual user-interface (translated on Crowdin: https://crowdin.com/project/cowspent)RequirementsIf you want to host a project in Nextcloud Cospend :Nextcloud instance running with Cospend app installedIf you want to be able to create remote projects from Cowspent : enable public project creation on your Nextcloud Cospend instance.AlternativesMoneyBuster which is FOSS but has older UI and was missing some QoL features. Tricount, Cospender, Splitwise etc... which are not FOSS and force you to give away your private data.

This app is made for making it easy to browse Rust crates. Where you can subscribe to your favorites and get notifications when they got updates or when they get downloaded more.