MailerSend is a UK-based developer email API platform founded in 2019, offering 12,000 free emails per month via SMTP and REST API.
⚡ Automation
Compare 306 automation tools covering CI/CD, monitoring, workflow automation, email marketing, RPA and developer tools.
Mailgun Email is a developer-focused email API product offering RESTful API, SMTP relay, real-time analytics, smart bounce management, and event webhooks, processing billions of emails daily.
Mailjet, founded in 2010 in Paris, France (now part of Sinchn/Pathwire), provides a unified transactional and marketing email API service trusted by 55,000+ customers, with 6,000 free emails/month and full GDPR compliance.
Mailmeteor is a France-based Gmail mail merge and email tracking tool founded in 2015. It enables personalized bulk sending, email tracking, and analytics directly within the Gmail interface — a popular choice for cold email outreach.
Founded in 2015 in London, UK, Mailosaur is an automated email and SMS testing platform for developers. It provides dedicated test inboxes, Spam Score analysis, HTML/CSS rendering validation, and API integration to automate email and SMS verification in CI/CD pipelines.
MailPace is a US-based email delivery service founded in 2020, specializing in transactional email tracking and deliverability optimization with SMTP/API dual-channel access and real-time tracking capabilities.
MXToolbox is a US-based online email and DNS diagnostic platform founded in 2003, offering 200+ free diagnostic tools including DNS lookup, blacklist check, SMTP test, and domain health monitoring.
Pepipost is an India-based email API service provider founded in 2014, now part of Netcore Cloud. It specializes in SMTP relay and transactional email delivery, processing billions of emails daily with developer-friendly APIs and high deliverability.
Postmark Email is a high-deliverability transactional email service known for sub-1-second average delivery, Message Stream technology, and precise bounce handling — the developer's choice for transactional email.
SendCloud is a Netherlands-based email delivery platform founded in 2014, specializing in SMTP/API email sending for ecommerce and SaaS businesses with automation and deliverability optimization.
SendGrid Email is Twilio's email delivery API product processing billions of emails daily, featuring v3 API, SMTP relay, delivery analytics, dynamic templates, and sender reputation management.
Brevo (formerly Sendinblue) is a France-based omnichannel marketing platform combining email, SMS, WhatsApp, chat, and CRM with visual campaign builder, automation workflows, and AI optimization.
SendPulse Email is the email sending component of the SendPulse platform, offering SMTP/API email delivery with a permanent free daily allocation, suited for budget-conscious SMB email marketing needs.
Skiff is an end-to-end encrypted, privacy-first email platform founded in 2020 in San Francisco, offering encrypted mail, document collaboration, and cloud storage in one integrated workspace. Acquired by Notion in 2024.
SMTP2GO is a New Zealand-based email delivery platform founded in 2012, offering SMTP relay and REST API. Free tier includes 1,000 emails/month, email logs, webhooks, and sending analytics — ideal for small teams and developers.
Founded in 1998 and headquartered in the UK/Luxembourg, Spamhaus is the world's largest anti-spam DNSBL organization. Its ZEN composite blocklist is queried by 3+ billion mail servers daily, making it an essential spam filtering reference for email infrastructure.
Founded in 2007 and based in the United States, Temp Mail is one of the earliest temporary email services, offering disposable anonymous email addresses without registration that auto-destruct after expiration to protect privacy.
Founded in 2006 in France, YOPmail is an anonymous temporary email service that provides persistent disposable email addresses without registration. Its lightweight interface loads in seconds, making it ideal for quick temporary inbox needs with privacy in mind.
MAMP is a local web development environment founded in Germany in 2005, providing one-click Apache/Nginx, PHP, and MySQL integration for macOS and Windows, with MAMP PRO for advanced site management.
WampServer is a local web development environment tool from France, designed for Windows, integrating Apache, PHP, and MySQL with multi-version PHP switching, ideal for Windows developers.
XAMPP is a cross-platform local web development environment from Apache Friends, supporting Windows, macOS, and Linux with Apache, PHP, MySQL, and Perl bundled, the most widely used worldwide.
Apex is a remote monitoring and management platform built for MSPs and enterprise IT teams, delivering cross-platform endpoint monitoring, automated patching, and AI-driven automation that boosts operational efficiency by up to 95%.
AppSignal is an APM platform founded in 2015 in the Netherlands, specializing in performance monitoring and error tracking for Ruby, Elixir, Node.js, and Python backend applications.
BigPanda, founded in 2012 and headquartered in Tel Aviv, Israel, is a leading AIOps event management and automation platform. ML-driven alert correlation and root cause analysis help large-scale operations teams reduce noise by over 90% and accelerate incident response.