Search Results for "encrypted qr code"
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Showing 410 open source projects for "encrypted qr code"
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PHP QR Code
A PHP QR Code generator and reader with a user-friendly API
chillerlan/php-qrcode is a modern, flexible PHP library for generating QR codes. It supports various customization options such as size, encoding, error correction, and logo embedding. The library is PSR-compliant and built for ease of use in modern PHP projects, making it suitable for generating QR codes in web apps, receipts, and authentication systems. -
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Endroid QR Code
QR Code Generator
Endroid QR Code is a PHP library that allows developers to generate QR codes with customizable parameters. It supports creating QR codes in various formats, including PNG and SVG, and offers options for encoding URLs, text, or other data. The library is flexible and easy to integrate into applications that require QR code generation, such as ticketing systems or payment gateways. -
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QR Code generator library
High-quality QR Code generator library in Java, TypeScript/JavaScript
This project aims to be the best, clearest library for generating QR Codes. My primary goals are flexible options and absolute correctness. The secondary goals are compact implementation size and good documentation comments. This work is an independent implementation based on reading the official ISO specification documents. I believe that my library has a more intuitive API and shorter code length than competing libraries out there. -
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Mini QR
Create & scan cute qr codes easily
Mini QR is a web app focused on making QR codes feel friendly and design-forward, combining a polished QR generator with a built-in scanner so you can both create and decode codes in the same place. It emphasizes customization so the QR you generate can match a brand, event theme, or personal style, including color and styling controls, framed layouts with labels, and the ability to add a logo image. Because QR reliability matters as much as looks, it exposes practical settings like error... -
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Open QR Code
Open QR Code is an open-source, cross-platform app
Open QR Code is an open-source cross-platform application developed using Flutter as main framework used to build the application, in common C, C++, Dart, Skia (a 2D rendering engine), and Impeller (the default rendering engine on iOS), Java, Kotlin. Open QR Code allows users to generate and scan QR codes effortlessly. The app is available on Android, Windows, and the Web. -
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SimpleX
The first messaging platform operating without user identifiers
...Many communication platforms are vulnerable to MITM attacks by servers or network providers. To prevent it SimpleX apps pass one-time keys out-of-band when you share an address as a link or a QR code. Double-ratchet protocol. OTR messaging with perfect forward secrecy and break-in recovery. NaCL cryptobox in each queue to prevent traffic correlation between message queues if TLS is compromised. -
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QR Code Generator
Offline QR Code generator focused on privacy, speed, and ease of use.
QR Code Generator by Mariano Ortu is a lightweight, offline QR Code generator designed for professionals and users who value privacy and control. It creates clean, reliable QR Codes without any internet connection, ensuring all your data stays on your device. No ads, no tracking, full transparency. Compatible with .NET Framework 4.8 and Windows 8 or later. -
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QRCoder
A pure C# Open Source QR Code implementation
...(Like QR Code generators which are relying on online services which makes them vulnerable/slow in some cases.) Although simplicity is one of the main goals, QRCoder is really flexible, in both "output formats" as well as in "payload types". Payload types? Yes, QRCoder brings its own "payload generator", which helps you to create a big list of different payload types to generate special QR codes like "WiFi QR Codes", "Girocodes", "SwissQRCodes" and many more. -
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2FAS Pass Android
Source code for 2FAS Pass Android app
...While specific repo details vary by the community project, in the broader 2FAS ecosystem the Android clients are designed to generate TOTP (time-based one-time passwords) and HOTP codes for users’ accounts, helping them meet modern multi-factor authentication needs through a simple, private user interface that works offline and without needing an account. The app supports scanning QR codes to add new authentication tokens, allows local encrypted storage of secrets, and can restore tokens from backups or synced devices. 2FAS focuses on privacy and simplicity—tokens aren’t sent to third parties, metadata isn’t stored externally, and users can secure the app with biometrics or passcodes. -
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Android GUI for WireGuard
Android GUI for WireGuard
Android GUI for WireGuard is the official Android client for the WireGuard VPN protocol, providing a secure and efficient mobile interface for managing encrypted tunnels. The application is written primarily in Kotlin and integrates closely with Android’s VPN framework to deliver stable, battery-efficient connections. It allows users to create, import, and manage tunnel configurations through a clean graphical interface while maintaining WireGuard’s minimalist cryptographic design. The client supports QR code import and seamless switching between multiple tunnels, making it practical for both personal and enterprise use cases. ... -
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ffsend
Easily and securely share files from the command line
Easily and securely share files and directories from the command line through a safe, private and encrypted link using a single simple command. Files are shared using the Send service and may be up to 1GB. Others are able to download these files with this tool, or through their web browser. All files are always encrypted on the client, and secrets are never shared with the remote host. An optional password may be specified, and a default file lifetime of 1 (up to 20) download or 24 hours is... -
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JavaScript QR Code
Make QR Codes in JavaScript
A mini javascript library to get the famous QR code. You can set the size, content to be encoded and get the html code to include the image in your web pages. You can also share the image via email with a simple interface included in the mini library Now is available Desktop app, QR Code Generator, where Window 7 and later are supported. Both x86 and amd64 (x64) binaries are provided for Windows. -
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Extract TOTP/HOTP secrets
Extract one time password (OTP) secrets from QR codes
The Python script extract_otp_secrets.py extracts one-time password (OTP) secrets from QR codes exported by two-factor authentication (2FA) apps such as "Google Authenticator". -
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Decimen Optical Transfer
Fountain-coded QR file transfer
Decimen Optical Transfer is a browser-based proof of concept for moving files between devices through animated QR codes. A sending screen continuously displays encoded frames while a receiving camera captures enough of them to reconstruct the original payload. The system requires no direct network path, pairing process, native application, or permission beyond camera access. Fountain coding makes the stream tolerant of missed, blurred, duplicated, and out-of-order frames without requesting... -
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Proton Authenticator for iPhone
iOS client for Proton Authenticator
Proton Authenticator for iOS is the official two-factor authentication client for iPhone and iPad, providing secure generation and management of TOTP codes for users’ online accounts while prioritizing privacy and encrypted secrets storage. Written in Swift with native iOS APIs, it supports scanning QR codes to add new authentication tokens, auto-sorting entries, and fast entry selection, all within a sleek, responsive iOS interface. The application encrypts secrets on the device and uses Proton’s encrypted sync service if enabled so that users can recover or replicate their authentication tokens across devices without compromising security. ... -
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2FAS Pass iOS
Source code for 2FAS Pass iOS app
2FAS Pass iOS is the iPhone and iPad version of the 2FAS Pass client, empowering users to manage two-factor authentication codes and secure vault data on Apple mobile devices with a focus on privacy, simplicity, and cross-device sync. The app allows users to add authentication tokens by scanning QR codes, automatically generate secure rotating codes, and protect access with Face ID or Touch ID, all while keeping secrets encrypted on-device. Like its Android counterpart, 2FAS Pass iOS works offline and does not require an account, preserving anonymity and avoiding metadata collection by design. It integrates with optional 2FAS browser extensions and companion tools to streamline login workflows across websites and services that support MFA. ... -
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2FAS Auth for iOS
Source code for 2FAS Auth iOS app
...The app generates time-based one-time passwords (TOTP) and counter-based one-time passwords (HOTP) that are widely required for logging into services with enhanced security, and it lets users scan QR codes or manually enter secret keys to register new accounts. Designed with native iOS conventions, it supports Face ID and Touch ID to quickly unlock the app while keeping authentication secrets encrypted locally on the device, so sensitive data never leaves the user’s control. The client is also structured to work offline, meaning you can generate codes without a network connection, and it integrates with companion browser extensions or other 2FAS sync tools so tokens can be backed up or restored across devices securely. -
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Agregore Browser
A minimal browser for the distributed web (Desktop version)
A minimal web browser for the distributed web. Web Extension support. Built-in Markdown/Gemini/JSON rendering extension. Built-in QR code scanner and generator extension. Generate a QR code for the current page. Scan a QR code from the browser action window. Right-click a link or image to generate a QR code for it. Built-in ad blocker (ublock origin). Built-in support for creating web archives via ArchiveWeb.page. -
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hiddify-app
Multi-platform auto-proxy client, supporting Sing-box, X-ray, TUIC
Hiddify is a comprehensive VPN and proxy client designed to facilitate secure internet access and bypass censorship. It supports advanced proxy protocols like V2Ray, Shadowsocks, and Trojan, offering configuration through QR codes, links, and subscription services. Hiddify aims to be user-friendly while also catering to power users with customizable options, making it a popular choice in regions with restricted internet access. -
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ZXingLite
Simplified version of ZXing, optimized to scan codes to generate QR
ZXingLite for Android is a simplified and extremely fast version of ZXing. Based on the ZXing library, it optimizes the functions of scanning codes and generating QR codes/barcodes. The scanning interface fully supports customization, and one line of code can also use the default scanning function. In short, everything you want is here. By inheriting CaptureActivity or CaptureFragment and customizing the layout. (Applicable to most scenarios, and you don’t need to care about the code scanning related logic, you need to override the getLayoutId method when customizing the layout) Implementation examples: CustomCaptureActivity and QRCodeActivity. ... -
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weixin-agent-sdk
Bridging framework for connecting arbitrary AI agents
...Developers implement an Agent interface that receives conversation identifiers, text, and optional media and returns text or media responses. An included ACP adapter can connect compatible agents such as Claude Code, Codex, and other command-line agents without custom integration code. QR-code login handles account authentication, while a message loop manages incoming and outgoing conversations. The SDK supports text, images, audio, video, files, quoted content, and voice transcription data. Bots can also proactively send messages after the required conversation context has been established. ... -
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Binary Eye
Yet another barcode scanner for Android
Binary Eye is an open-source, ad-free barcode and QR code scanning application for Android that emphasizes simplicity, broad format support, and user privacy by not storing or sending scanned data off the device. The app, inspired by the Zebra Crossing (ZXing) scanning library, supports a wide range of barcode formats such as QR Code, EAN, UPC, PDF417, Data Matrix, and more, and also offers barcode generation capabilities built into the same interface. ... -
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Aegis Authenticator
A free, secure and open source app for Android
Aegis Authenticator is a free and open-source two-factor authentication (2FA) app for Android that helps users secure their online accounts by generating cryptographic one-time passwords (OTPs) such as TOTP and HOTP codes. Unlike many proprietary MFA apps, Aegis is designed with user privacy and local control in mind, storing secrets only on the device in an encrypted vault protected by PIN or biometric unlock, and offering features like backups encrypted with a user-chosen passphrase. It supports importing accounts from QR codes, exporting encrypted backups for safe storage, and grouping or labeling tokens so managing dozens of accounts is simple. Aegis also offers options for custom token configuration, including changing issuer names, digits, and intervals, and includes a robust recovery mechanism in case a device is lost. ... -
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Shlink
The definitive self-hosted URL shortener
...It provides features for creating short, trackable URLs with detailed analytics on click statistics. Shlink is self-hosted, giving users control over their shortened links and data privacy. It supports custom domains, QR code generation, and integration with third-party services for advanced tracking and management. -
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Proton Authenticator for Android
Official Android implementation of a modern two-factor authentication
...It also supports backup and encrypted sync with the associated Proton account, helping users recover 2FA codes across devices — a feature that many standalone token generators lack without risking security trade-offs.
