Open-source, self-hosted newsletter, email marketing and transactional email platform. Visual MJML editor, Liquid templating, 7 sending providers.
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Updated
Sep 17, 2026 - Go
Open-source, self-hosted newsletter, email marketing and transactional email platform. Visual MJML editor, Liquid templating, 7 sending providers.
Golang package for send email. Support keep alive connection, TLS and SSL. Easy for bulk SMTP.
Smtp server for mass emailing, managing email lists and more. Built on .NET Core. Linux, MAC and Windows compatible.
Do quick, hassle-free email marketing with this small but very powerful tool! 🔥
Send Templatized Dynamic Emails Automatically
Professional Laravel-based email marketing solution with advanced contact management
Automated Email Sending for Large Scale Email and Gmail Automation
Gmailnator-cli is a free service that allows getting instant temporary gmail address
The Email Validation Tool is a Streamlit application that offers single email verification and bulk email processing, ensuring email validity through syntax checks, MX record validation, SMTP connection, and temporary domain detection.
Email Marketing Software
An Open Source Bulk Email Verifier & Validator
Resume Sender is a lightweight, self-hosted bulk email engine built on PHP and MySQL. From job applications to marketing campaigns, newsletters, and cold outreach, it handles any one-to-many email workflow.
A Node.js bulk email sender tool. Hook up your database of users, add your email template, send a whole lot of emails.
Email Verifier/checker tool will clean your mailing list and increase the deliverability rate up to 99%.
A simple python script to send bulk emails.
Python Bulk Email Sender with Mail Merge – A powerful GUI application to send personalized emails in bulk. Features include dynamic placeholders, attachment handling, real-time preview, SMTP support, and error handling to simplify your email campaigns.
✉️ Bulk Email Sender Web UI A clean, modern Flask app to send beautiful bulk or manual emails using CSV or custom inputs. Upload templates or draft your own, preview live, attach files, and blast away — no code changes needed. Fast, flexible, and actually fun to use!
Free, fast & 100% private client-side bulk email splitter and list cleaner. Partition 50,000+ emails into custom deliverable batches with commas, semicolons, or line breaks for Gmail, Outlook, and ESP campaigns. Zero server uploads.
Mail Sender
Open-source bulk temp mail generator — 4 providers, real-time inbox monitoring, custom domain via Cloudflare Workers. No sign-up required.
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