Flutter is an open-source UI toolkit developed by Google for building natively compiled applications for mobile, web, and desktop from a single codebase. It allows developers to write code once and deploy it on multiple platforms, reducing development time and effort.
Flutter is considered cool for its fast and efficient performance, cross-platform development capabilities, hot reload feature, beautiful and customizable UI, access to native features, strong developer community, excellent documentation, and being open-source and free.
Overall, Flutter's combination of performance, cross-platform development, hot reload, beautiful UI, access to native features, strong community support, excellent documentation, and open-source nature makes it a cool and powerful framework for building modern and engaging applications.
Here, we list the best open-source free apps that are built using Flutter and have gained a good user base and community support.
1- Butterfly (Handwritten Notes)
Butterfly Notes is an awesome note-taking app that lets you create, organize, and manage all your notes in a super convenient and user-friendly interface.
It's got some cool features like rich text formatting, reminders, tags, and a powerful search function.
The app is designed to be super easy to use and you can even customize it to make it your own. It's all about giving you the best note-taking experience ever!
QuitSmoke is a free mobile app that helps track progress in quitting smoking, including money saved, cigarettes avoided, and time smoke-free. It features a countdown timer, health improvement tracking, and money saved calculation. Created by a Turkish developer for his father, the app is ad-free and respects user privacy.
API Dash is a remarkable open-source cross-platform API Client that allows you to easily create and customize API requests, visually inspect responses, and generate Dart code instantly. With API Dash, you can seamlessly test, visualize, and integrate APIs.
AuthPass is a multi-platform, free, and open-source password manager that is fully compatible with KeePass. It is written with Flutter and was started by Herbert Poul, a freelancer developer from Austria, but is now supported by a group of open-source developers.
AppFlowy.IO is a free open-source note-taking software for teams that offers a writing canvas for tasks, kanban boards, and more. It uses Flutter/Dart for the frontend and Rust for the backend.
Compared to Notion, it provides better organization of text and paragraphs, supports Markdown, and has a straightforward WYSIWYG editor. It works offline and supports tables, boards, sub-pages, templates, and easy block/column addition.
GitJournal is a note-taking application known for its emphasis on privacy and data portability. It utilizes a Markdown + YAML header format for storing notes, which is optional but recommended.
The Phoenix Project is a free open-source audio player for Android and iOS with a beautiful glassmorphism design, lyrics support, no data collection, cut/fade/ringtone features, flashlight-visualizer, share now-playing, and an ad-free experience.
Watermaniac is a new app written in Flutter that helps you track the amount of water you drink in a day. It has a beautiful interface and works on both Android and iOS devices.
Navoki Notes is a cross-platform note app built on the Flutter Framework with Firebase integration. It allows data syncing to the cloud and across multiple devices, including Android, iOS, Web App, PWA, Windows, macOS, and Linux. The app is free to use.
RemoteFiles is an open source SFTP client for Android and iOS developed with Flutter in the Dart Programming Language. It provides file management features like file operations, folder management, and file sharing, while also offering secure connection storage.
Converter Now is a lightweight unit converter app written in Dart and Flutter. It is available as a mobile and desktop app for multiple platforms and supports currency conversion for over 30 currencies.
Liso is an exceptional, free open-source decentralized password manager written in the powerful Dart language and versatile Flutter framework by the highly skilled Oliver Martinez. It effortlessly ensures the utmost security of passwords while seamlessly facilitating the secure management of private data information.
Time Cop is a time tracking app for Android and iOS devices written in Dart and Flutter. It offers a simple interface for creating, managing, and tracking multiple tasks, including daily routines, work tasks, projects, appointments, shopping lists, and sport exercises.
Time Cop is available to download for iOS and Android devices.
BlackHole is an innovative and user-friendly music player application developed using Flutter. It offers a sleek design, intuitive interface, customizable playlists, advanced search options, and seamless integration with popular music streaming platforms, providing a seamless and immersive music listening experience.
ReVanced Manager is an Android application that uses ReVanced Patcher to add, remove, and modify existing functionalities in Android applications. It offers portable patching, an intuitive UI, and customization options with third-party sources.
Musify is a totally free and open-source music player app that's got your back when it comes to streaming. With just one app, you can unlock the full potential of music and stream effortlessly.
Prism is an Android app that provides exclusive wallpapers and setups. Users can download, favorite, and share high-quality wallpapers from WallHaven and Pexels, as well as wallpapers uploaded by verified and community users.
Openreads is a privacy-oriented and open-source Android app for tracking books. It provides four lists for organizing books: finished, currently reading, want to read later, and unfinished. Custom tags and filters can be used. Books can be added by searching in the Open Library database, scanning barcodes, or adding details manually.
Frosty is an open-source mobile Twitch client for iOS and Android that supports 7TV, BetterTTV, and FrankerFaceZ emotes and badges. It offers features such as browsing followed and top streams, autocomplete for emotes and user mentions, multiple themes, search functionality, and the ability to see and filter chatters in a channel.
Note Taking App is a productivity-focused app that is built with Flutter and uses Sqlite database. It has a simple yet user-friendly interface with cartoon alike colors.
MovieLab is an open source movie tracker and finder that provides access to movies, series, seasons, episodes, movie recommendations, and actor information from IMDb.
A Flutter Todo-lists app based on the design of the To Do App, created by Rudi Hartono. You can download the app directly to your Android device from Google Play.
"One Day list" is a cool little app that can help you stay organized with your daily plans. If you're into making to-do lists, this app is perfect for you. It's simple, beautiful, and does the job.
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