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5170 apps · feature

Countdown Timer
APK
A simple countdown timer.
F-DroidGitHub
Counter
APK
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
F-DroidGitHubIzzyOnDroid
Cover Fetcher
APK
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
F-DroidGitHub
Cow's Revenge
APK
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!
F-DroidGitHub
Cowsay
APK
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
F-DroidGitHub
Crates.io unofficial
APK
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.
F-DroidGitHub
C
Crazyflie Client
APK
Connect to Crazyflie 2.x using Bluetooth low energy and both the original Crazyflie and Crazyflie 2.x using the USB Crazyradio dongle connected with a USB OTG cable. Features: * Control Crazyflie and Crazyflie 2.x using Crazyradio on a USB OTG compatible device * Control Crazyflie 2.x using Bluetooth LE 4.0 * Control mode configurable * Control sensitivity configurable * Axis and button mapping configurable (only for game pad) * Control Crazyflie using touch controls * Control Crazyflie using game pad (connected via USB or Bluetooth) * Control Crazyflie using the device's gyroscope * Control LED ring effects (requires Crazyflie 2.x and optional LED ring deck) * Play the Imperial March melody on the buzzer deck (requires Crazyflie 2.x and optional buzzer deck) * Update Crazyflie using Crazyradio (experimental feature, update via BLE coming soon) Please note: This app is designed to control Crazyflie and Crazyflie 2.x. It requires either a Crazyradio, Crazyradio PA or a Bluetooth LE 4.0 compatible device running Android 4.4+. Only Crazyflie 2.x can be controlled with Bluetooth LE. Do not pair the Crazyflie via Bluetooth settings! Distributors for Crazyflie and Crazyradio can be found on our distributor list: https://www.bitcraze.io/buy/local-retailers/ This app is using JoystickView Widget from mobile-anarchy-widgets (https://code.google.com/p/mobile-anarchy-widgets/wiki/JoystickView). Contributions are welcome! How to use the bootloader: The list of firmwares should automatically be filled (make sure you have a network connection!) Select a firmware (make sure you select the right one depending on which Crazyflie you want to update (CF1 or CF2)) Flash firmware (For Crazyflie 1, click on "Flash firmware" and switch on the Crazyflie during the next 10 seconds. For Crazyflie 2, press the ON/OFF switch of the Crazyflie longer than 1.5 second until one blue LED blinks. Then release the button and both blue LEDs should blink. Then click on "Flash firmware") After a successful flash the Crazyflie will automatically restart in firmware mode and is ready to use. It's nearly impossible to brick the Crazyflie. In case of any problems during flashing, you can always try again or use the PC client to re-flash. Permissions: * Photo/Media/Files: This is required to save the firmware files on the device. * Bluetooth connection information: This is required for connecting to Crazyflie 2.x over Bluetooth. * Location: This is required for Bluetooth LE scanning since Android 6.0.
F-DroidGitHub
Crescent Cash
APK
Send coins to a Cash Account (https://cashaccount.info) or Bitcoin Cash address with Crescent Cash. Simple. Secure. Trustless. Crescent combines the simplicity of traditional, centralized money apps with the security of trustless Bitcoin wallets. Crescent Cash is a non-custodial wallet that allows for you to send Bitcoin Cash to other Cash Account users with their username, or to normal Bitcoin Cash addresses.
F-Droid
C
Critical Maps
APK
This app tracks your location and shares it via a map with all other participants of the critical mass bicycle protest. You can use the chat to communicate with all other participants. Location sharing and chat relies on criticalmaps.net. Location tracking is always active while using the app.
F-DroidGitHub
Critical Velocity
APK
Captain! The planet is collapsing! We have to get out of this tunnel, but we've been hit! Our thrusters are failing.... So begins your journey back to the surface! Watch out for barriers and obstacles in this open source side scrolling arcade style game! Once you reach 25000 points, you will find the exit to the surface and save the lives of your crew, but after passing each obstacle, your vessel picks up speed, making the journey more difficult! Can you make it, Captain?
F-Droid
Croatian for AnySoftKeyboard
APK
Croatian layouts and dictionary for AnySoftKeyboard keyboard app. This is an expansion layouts pack for AnySoftKeyboard. Install AnySoftKeyboard first, and then select the desired layout from AnySoftKeyboard Settings->Keyboards menu.
F-DroidGitHub
Cromite
APK
GitHub
C
CrossWords
APK
A cross-platform game with the same rules as Scrabble that can be played locally (on the same device), or against another device via data-SMS, Bluetooth and the internet. Start games via an invitation sent by email, SMS, or Bluetooth, or if somebody's nearby have them scan a QR Code. Drag letters onto the board next to other letters to make new words; press the number on the right of the screen to commit your move and let the next person move. An English wordlist is included but there is a link to the website to download wordlists to play in other languages. The source code supports push messaging via Google Play, but that won't function in this build even if Google Play is installed. It just means that moves won't be transmitted quite as quickly as if it were supported. Play via SMS or Bluetooth is unaffected by this.
F-Droid
Crossword
APK
Simple crossword solver and anagram search. * Words up to 28 letters * 110,000 word dictionary * Web search word definitions * Anagram search
F-DroidGitHub
C
CryptPad
Web
End-to-end encrypted collaborative office suite with documents, spreadsheets, and more.
CryptX
APK
CryptX is a student-driven project developed as part of an exploration into information security concepts. The application focuses on implementing encryption and steganography techniques, serving as a hands-on experiment with secure data handling. Built during academic studies in Information Technology, it showcases foundational knowledge in cryptography and secure communication practices.
F-DroidGitHub
Cryptfs Password
APK
This app lets you changes the Android disk encryption password. You will only be required to use the new password at the next boot, so it is important not to forget it until then, and take a full backup just in case. Short of brute-forcing, the only way to recover from a forgotten encryption password is to factory reset the device, deleting all user data in the process, so proceed with caution. The app will verify that you have root access by checking if you have one of the more popular 'superuser' apps (Superuser or SuperSU) installed, and trying to execute a dummy command with su at startup. If your device is not encrypted, it will refuse to start.
F-DroidGitHub
Crypto Prices
APK
Crypto Prices lets you track prices of all cryptocurrencies like Bitcoin, Ethereum, XRP, and Litecoin. You can also view detailed information about every coin, like price history, market cap, and volume. Supports over 10000 Cryptocurrencies View prices of coins and tokens like Bitcoin (BTC), Ethereum (ETH), Bitcoin Cash (BCH), Ethereum Classic (ETC), Litecoin (LTC), Dogecoin (DOGE), Stellar (XLM), Tron (TRX) and many more. Detailed Statistics Get statistics to every coin, like market cap, volume, 24H-High and Low, and an interactive price chart over different time periods. Your Favorites Set coins as favorites to track all prices of your crypto portfolio. Sort favorites in any order you like to view prices even faster. Your Portfolios Add coins from all your real or imaginary crypto portfolios and watch their value change. (This is NOT a crypto wallet. All added coins are imaginary.) Price alerts Create your own alerts for all coins and get notified of large price changes of your favorites. Quick Search Search through all available coins by name or symbol. 56 Supported Fiat Currencies US Dollar (USD), Euro (EUR), British Pound (GBP), Australian Dollar (AUD), Canadian Dollar (CAD), Swiss Franc (CHF), Chinese Yuan (CNY), Japanese Yen (JPY), New Zealand Dollar (NZD) and Russian Ruble (RUB) and more. Feature Overview • List of all cryptocurrencies • Sort coins by marketcap, volume etc. • Add coins as favorites • Sort favorites in custom order • View detailed statistics and price history • Imaginary portfolios • Create price alerts for coins • Get notification on large price movements • Change the currency of the prices shown • Password lock • Search • Dark mode and color customization Free and Open source Crypto Prices is open source and licensed under GPLv3. The source code is available here: https://gitlab.com/cl0n30/cryptoprices
F-Droid
CryptoPass
APK
Generate different passwords from single master password using cryptographically strong method (PBKDF2 with SHA-256). Create strong passwords for different websites (or anything else) using a single secret key. There's no need to remember or store multiple passwords if you can derive them from your master key. Сan easily be used as password generator and password manager. Your passwords doesn't store anywhere, username and url pairs stored for easy access. password = base64(pbkdf2(secret, username@url)) PBKDF2 uses SHA-256 and 5000 iterations. Cuts password to specified length (25 by default). Compatible with Chrome CryptoPass extension https://chrome.google.com/webstore/detail/cryptopass/hegbhhpocfhlnjmemkibgibljklhlfco
F-Droid
CryptoTracker
APK
CryptoTracker is the ultimate companion for cryptocurrency enthusiasts and investors. With its intuitive interface and sleek Material 3 design, managing your favorite cryptocurrencies has never been easier or more enjoyable.Whether you're a seasoned trader or just starting out, CryptoTracker equips you with all the tools you need to stay ahead in the cryptocurrency market:- Real-time price updates 💹: Keep track of the latest market values in an instant.- Detailed statistics 📈: Dive deep into key data for every cryptocurrency.- Portfolio 💼: Monitor your crypto holdings, track performance over time, and manage your assets with ease.- Insightful charts 📊: Visualize trends with beautifully crafted graphs.- Material 3 design 🎨: Sleek, modern, and user-friendly interface. - Multi-currency support 💱: View rates in your preferred currency.- Privacy-focused 🔒: No data collection ensures your information remains secure.- Ad-free experience 🚫📢: Enjoy uninterrupted use with no intrusive ads.- Lightweight and efficient 🗜️: Optimized for performance to save space and run smoothly.- Open-source 🔧: Transparent, secure, and community-driven.Experience the perfect balance of functionality, privacy, and design with CryptoTracker—your trusted tool for navigating the cryptocurrency market.
IzzyOnDroid
Cryptocam - encrypting camera app
APK
Cryptocam allows you to take encrypted photos and videos so your data is safe even if an attacker gains physical access to your device or SD card. Find a full tutorial on https://cryptocam.gitlab.io Worried that your device or memory card might get into the wrong hands with sensitive footage on it? Cryptocam uses age (X25519 and ChaCha20) to encrypt recorded videos and photos without ever persisting unencrypted data to device storage.
F-Droid
CryptocurrencyPrices
APK
CryptocurrencyPrices is an app for Android devices to check historical cryptocurrency prices (in USD).Its main activity contains a spinner view to select currency (searchable list contains 100 most worth cryptocurrencies - sorted descending by market cap). It also allows to set date range - actual or archival, chosen from date picker. There is, as well, chart which shows selected cryptocurrency price changes (with calculated percentage value of price trend) in selected time period - app allows to select last 1 year, 1 month, 1 week and 24 hours.The app contains a local database. It is used for caching downloaded data - it saves data which has been visible on the screen to allow browsing it later, when no Internet connection is available.
GitHubIzzyOnDroid
Cryptographic ID
APK
Use cases: - Attest the state of a Linux computer When your computer is in a trustworthy state, you can generate a private key hidden in the TPM2 of your computer. This private key can be sealed with the current state of the computer (PCRs). Then the computer can only sign a message with this key when it is in the correct state according to the PCRs. For example, you can seal the key against the secure boot state (PCR7). If your computer is booting an operating system signed by another vendor, the TPM2 cannot unseal the private key. So if your computer can generate a correct signature, it is in this known state. You can create a sealed private key and create such a signature with cryptographic-id-rs (https://gitlab.com/cryptographic_id/cryptographic-id-rs). This is similar to tpm2-totp (https://github.com/tpm2-software/tpm2-totp) but uses asymmetric cryptography. This means you do not need to keep the verification code secure. You can share it safely with the world. - Verify the identity of a phone You can generate a private key when your phone is in a trustworthy state. If your phone can create a correct signature, you know it is the same phone. Since the operating system can access the private key, the security guarantees are much weaker than with a TPM2. So the verification is just as secure as your phone. If you use Graphene OS, also have a look at Auditor (https://attestation.app/tutorial). - Verify that a person is in possession of a private key This works as well as the section above but has the same shortcomings. It can be used to verify someone in person when he sends his public key to you in advance over a secure channel.
F-Droid
Cryptomator
APK
With Cryptomator, the key to your data is in your hands. Cryptomator encrypts your data quickly and easily. Afterwards you upload them protected to your favorite cloud service.Cryptomator requires a license key, which you can obtain from https://cryptomator.org/android/EASY-TO-USECryptomator is a simple tool for digital self-defense. It allows you to protect your cloud data by yourself and independently.Simply create a vault and assign a passwordNo additional account or configuration neededUnlock vaults with your fingerprintCOMPATIBLECryptomator is compatible with the most commonly used cloud storages and available for all major operating systems.Compatible with Dropbox, OneDrive, S3- and WebDAV-based cloud storage servicesCreate vaults in Android’s local storage (e.g., works with third-party sync apps)Access your vaults on all your mobile devices and computersSECUREYou don't have to trust Cryptomator blindly, because it is open source software. For you as a user, this means that everyone can see the code.File content and filename encryption with AES and 256 bit key lengthVault password is secured with scrypt for enhanced brute-force resistanceVaults are automatically locked after sending app to backgroundCrypto implementation is publicly documentedAWARD-WINNINGCryptomator received the CeBIT Innovation Award 2016 for Usable Security and Privacy. We're proud to provide security and privacy for hundreds of thousands of Cryptomator users.CRYPTOMATOR COMMUNITYJoin the Cryptomator Community and participate in the conversations with other Cryptomator users.Follow us on Mastodon @cryptomator@mastodon.onlineLike us on Facebook /Cryptomator
F-DroidGitHubIzzyOnDroid