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sms-marketing

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📢 Laudspeaker is an Open Source Customer Engagement and Product Onboarding Platform. Open Source alternative to Braze / One Signal / Customer Io / Appcues / Pendo . Use Laudspeaker to design product onboarding flows and send product and event triggered emails, sms, push and more.

  • Updated Jul 10, 2026
  • TypeScript

Self-hosted professional email marketing & automation platform with email, SMS, workflows, CRM, analytics and AI integrations. Built with Laravel, Vue.js and Docker.

  • Updated Sep 14, 2026
  • Vue

Open-source, self-hostable chat automation. Build visual flows, run them on Instagram, WhatsApp, Messenger, Telegram, SMS, and email. Comment-to-DM, shared inbox, broadcasts, drip sequences, analytics. Free alternative to ManyChat.

  • Updated Oct 1, 2026
  • Python

Free phone number checker - WhatsApp & Telegram verification. Bulk validation, API integration. 200+ countries, 40+ apps. 100% free, no sign-up.

  • Updated Jun 20, 2026
  • HTML

The TrumpetBox Contactless Kiosk is a business guest WIFI and SMS marketing kiosk system that turns your clients mobile phone into an information kiosk. TrumpetBox kiosk is an access point that your clients connect to while at your business location and view your interactive kiosk interface to perform services plus opt-in to receive notifications.

  • Updated Oct 31, 2020

Agent skills that encode how a senior lifecycle marketer designs Klaviyo programs: strategy, flow architecture, timing, splits, QA, and measurement. Works with Claude Code, Codex, Cursor, Copilot, and Gemini CLI.

  • Updated Sep 28, 2026
  • Python

Relay is an open-source cross-channel advertising network sandbox for campaign booking, publisher placements, escrow, tracked links, click and conversion tracking, disputes, invoicing, settlement, and auditable ledgers, with sandbox messaging adapters for SMS, WhatsApp, email, RCS, and push. Built with Node.js, SQLite, and Docker.

  • Updated Sep 27, 2026
  • JavaScript

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