A free online QR code scanner progressive web application. It reads QR codes with a camera or from an uploaded image, requires no app installation, and works on iPhone, Android and desktop. Decoding occurs in the browser and nothing is uploaded.
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QST is the monthly membership journal of ARRL. Each issue covers equipment reviews, technical tips, projects and news. Digital editions are available through Android, iOS and Kindle Fire apps, and members log in to view current or archived issues.
Qtractor is an Audio/MIDI multi-track sequencer application written in C++ with the Qt framework. The target platform is Linux, using JACK for audio and ALSA for MIDI. It is free, open-source software distributed under the GNU General Public License version 2 or later.
Quasar Radio is a web player for listening to internet radio stations from around the world in good quality, free and without registration. Stations are organized by genre, country, city and category, with music channels plus news, comedy, educational podcasts and other broadcasts. A mobile app is offered for download.
Queer Liberation Library is a digital library that connects LGBTQ+ people with literature, information, and resources. Members apply for a library membership, browse the collection in Libby, and check books out. A technology help desk supports account verification, login, and membership issues, and readers can suggest titles for the collection.
QuestStoreDB helps discover apps, SaaS products, no-signup tools, clones, or software alternatives.
Quick Access Popup is a free Windows utility that launches folders, documents, applications, web links and snippets of text in one click. It works with Explorer windows, file dialog boxes, console windows and alternative file managers, and is available in several languages, some translations incomplete.
Quicksilver is a free, open-source macOS productivity application that enables users to launch apps, open files, and perform file and system actions via keyboard input. It offers hundreds of plugins to extend functionality, learns user habits to prioritize relevant actions, supports custom keyboard shortcuts and mouse gestures, and provides multiple customizable interface styles. The project is actively maintained by a community of developers.
Quiz helps discover apps, SaaS products, no-signup tools, clones, or software alternatives.
QuizFlow is an open-source, ad-free Android app for creating and studying custom word lists with interactive flashcards and quizzes. It includes progress stats, text-to-speech pronunciation, import and export of lists, and works fully offline. The upstream source repository was archived, so no further updates are planned.
A site for reading the Quran in Arabic with translations, tafsir, word-by-word study, recitations and search in many languages. It also offers learning plans, topics and mobile apps for iOS and Android.
QUT Research Data Finder is QUT's discovery service for research data created or collected by QUT researchers. The application aggregates research metadata, specifically details around data collections, and offers advanced search plus browsing of research data sets, researchers and spatial data sets.
Qwen Studio is the official platform from Qwen that provides unified access to the company's series of open-source and proprietary AI models. It offers functionality including chatbots, image and video understanding, image generation and editing, document processing, tool utilization, voice and video chat, and artifacts, and has a dedicated mobile application.
R-bloggers is a platform that aggregates and publishes R-related news and tutorials contributed by hundreds of R bloggers. Its content includes conference recaps, Shiny app development tips, new CRAN package roundups, community spotlights, and R job listings, and it allows bloggers to submit their R-related content for publication.
r/AndroidThemes is a Reddit community or thread with discussion, guides, updates, or shared resources.
r/AppHookup points to a Reddit community or thread with discussion, guides, updates, or shared resources.
r/AppRaven points to a Reddit community or thread with discussion, guides, updates, or shared resources.
r/AT4K is a Reddit community for Android TV, 4K playback, streaming hardware, applications, and setup discussion.
r/EmulationOnAndroid is a Reddit community or thread with discussion, guides, updates, or shared resources.
r/EmulationOniOS is a Reddit community or thread with discussion, guides, updates, or shared resources.
r/iOSsetups is a Reddit community or thread with discussion, guides, updates, or shared resources.
r/iOSthemes is a Reddit community or thread with discussion, guides, updates, or shared resources.
r/MacAppStoreDeals points to a Reddit community or thread with discussion, guides, updates, or shared resources.
r/MapPorn points to a Reddit community or thread with discussion, guides, updates, or shared resources.