# SendStack by Qobouli

> Free, open-source bulk email and WhatsApp messaging platform. Upload a CSV, personalize with template variables, hit send. أداة إرسال بريد إلكتروني وواتساب جماعي مجانية.

SendStack lets you send personalized bulk emails and WhatsApp messages directly from your browser. Upload a CSV with contacts, write a template with {{variables}}, and send at scale with built-in anti-ban protection. Everything runs locally — no data leaves your device.

## Features
- **Bulk Email via SMTP**: Works with Gmail, iCloud+, Outlook, Yahoo, and any custom SMTP domain
- **Bulk WhatsApp Messaging**: Connect via QR code pairing to WhatsApp Web
- **CSV Upload**: Auto-detects columns for email, phone, name, and custom fields
- **Template Variables**: Use {{Name}}, {{Company}}, or any CSV column header as a variable
- **Spin Syntax**: Write {Hello|Hi|Hey} and each recipient gets a random variant
- **Anti-Ban Safety**: Per-message delays, random jitter, batch cool-downs, daily limits
- **Live Progress**: Real-time sent/failed/skipped counters with cancel-anytime control
- **100% Offline**: All data stays on your device. No external servers, no analytics, no tracking
- **Chrome Extension**: Lightweight sidebar that lives inside Gmail and WhatsApp Web
- **Multilingual**: Full support for English, Arabic (RTL), and Turkish

## Pricing
- Free: $0 — Completely free and open-source. No subscriptions, no hidden fees, no limits.

## Languages
- English — Default language
- Arabic (العربية) — Full RTL layout support
- Turkish (Türkçe) — Full translation

## Links
- Homepage: https://sender.qobouli.com
- Privacy Policy: https://sender.qobouli.com/privacy
- Source Code: https://github.com/mohamed-arabi16/SendStack
- Built by: https://qobouli.com (Qobouli AI & Dev)

## Technical
- Platform: Web (Next.js) + Chrome Extension
- Built with: Next.js 16, React 19, TypeScript, Tailwind CSS 4, Nodemailer, whatsapp-web.js
- Fully client-side processing — no backend data storage
- Open-source under GitHub