Glues rQRCode together with chunky_png

One Time Password plugin for the Trestle admin framework

A gem to integrate your Rails app with Google 2Factor-authenticator mobile apps

Plug-in TOTP two-factor authentication (Google Authenticator–compatible) with QR setup, backup codes, and host-app session hooks.

Simple templates to generate documents in various formats.

This gem generates UPI QR codes for payments. It can be used in e-commerce applications to generate QR codes for payments. The QR codes can be scanned by UPI apps to make payments. The gem uses the rqrcode gem to generate the QR codes.

Lightweight gem to build UPI deep links, validate VPAs, and generate QR codes — no payment gateway, no merchant account, just link generation for direct P2P-style UPI collection.

Virtual name card for online video systems.

CSS 組版エンジン Vivliostyle をコアに据え、前処理（QueryStream 展開・画像最適化・クロスリファレンス）からビルド、後処理（PDF しおり・表紙結合・圧縮）まで、執筆から入稿に至る工程を自動化する CLI ツールです。閲覧用・印刷入稿用 PDF に加え、Kobo / Apple Books 向けのクリーン EPUB と Amazon Kindle 向けの KPF を出力できます。

目前可用于结合 VVPlayground 支持 VirtualView 模版开发实时预览.

Payday is a library for rendering invoices to pdf.

WeChat Bot for Ruby with personal account

WeChat Bot for Ruby with personal account