Compare Outreach Box to these popular alternatives based on real-world usage and developer feedback.

It is the first ECRM–an Ecommerce CRM designed for building personal and profitable relationships with your customers at scale. It uses customer insight, data, and smarter email marketing automation at scale. With the best customer experience, your brand will never blend in.

It helps new brands and startups build an audience while they focus on building a product

Use AI to find prospects that need you, automatically craft personalized cold emails for each, and scale effortlessly

Stacksweller is an innovative tool designed to enhance your Substack experience by allowing you to effortlessly schedule and publish notes. With its automation features, you can grow your audience without the hassle of keeping your laptop on. Discover viral note ideas, maximize your content's potential, and simplify your Substack scheduling process. Ideal for writers looking to engage and monetize their audience effectively, Stacksweller streamlines your content management, helping you achieve Substack growth with ease. Visit us to learn more and take your Substack to the next level.

Email marketing for agencies and makers - manage brands and users with access controls. White label option. Optimized workflows. Chat support 7 days a week.

Cursor for Marketing Emails. Email Marketing Platform for SaaS founders

SendroAI is an AI-powered email marketing platform designed for inside sales and SDR teams. It enables businesses to scale personalized outreach with intelligent automation. From A–Z email testing and multilingual campaigns to AI-driven research and self-learning algorithms, SendroAI ensures every message resonates with your prospect. The platform delivers real-time analytics, adaptive sequencing, and campaign intelligence to help teams send 20–100 hyper-personalized emails daily—without losing the human touch.

Stacksweller is an innovative tool designed to enhance your Substack experience by allowing you to effortlessly schedule and publish notes. With its automation features, you can grow your audience without the hassle of keeping your laptop on. Discover viral note ideas, maximize your content's potential, and simplify your Substack scheduling process. Ideal for writers looking to engage and monetize their audience effectively, Stacksweller streamlines your contentblob:https://stackshare.io/04f2fe4a-8422-456d-98dc-0aba43066e37 management, helping you achieve Substack growth with ease. Visit us to learn more and take your Substack to the next level.

MailChimp helps you design email newsletters, share them on social networks, integrate with services you already use, and track your results. It's like your own personal publishing platform.

Intercom is a customer communication platform with a suite of integrated products for every team—including sales, marketing, product, and support. Have targeted communication with customers on your website, inside apps, and by email.

It is a secure and reliable business email solution tailor-made for your organization's communication needs. With enhanced collaboration features, it's not just an inbox—it's more.

Customer engagement platform for tech savvy marketers sending personalized, data-driven marketing, product, and transactional messages. Ideal for mid-market SaaS, FinTech, EdTech, mobile apps, marketplaces companies, and more.

Freshchat is a modern messaging software built for teams who want to ace customer conversations—marketing, sales, or support.

It is a digital marketing toolbox that's built to scale and adapt with you as you grow. You can save time and boost performance by automating your segmentation and marketing messages.

A cloud-based email marketing solution for e-commerce businesses. It allows users to send out targeted email campaigns based on metrics such as purchasing and viewing history and how customers have interacted with past emails.

Campaign Monitor makes it easy to attract new subscribers, send them beautiful email newsletters and see stunning reports on the results.

It is a free and open-source mail transfer agent that routes and delivers electronic mail. It is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program. Now at Google, Wietse continues to support it.

Braze is a comprehensive customer engagement platform that powers relevant and memorable experiences between consumers and the brands they love.

It is a software vendor for free and open-source customer experience management, digital asset management, product information management, multi-channel publishing and e-commerce software.

MailerLite is an email marketing and automation software designed to help people of all skill levels create professional and personalized marketing campaigns on their own.

Autopilot’s intuitive drag and drop Journey canvas allows you to send the right message, on the right channel, at the right time. Automate your marketing, send personalized messages, build workflow and process in Salesforce, and more.

Iterable empowers growth marketers to create world-class user engagement campaigns throughout the full lifecycle, and across all channels. Marketers segment users, build workflows, automate touchpoints at scale without engineering support.

It is not just another email client. They are rebuilding the inbox from the ground up to make you brilliant at what you do. Specifically designed it for those of you who want the best.

It is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind. It is an excellent choice for both small and large installations. It's fast, simple to set up, requires no special administration and it uses very little memory.

It is a mobile engagement platform that helps forward-looking brands like Grab, Tinder, and Tesco meet the real-time needs of their customers.

It is a powerful new email service provider that provides Infusionsoft like automation capabilities without the Infusionsoft price

It is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an email client, including MIME support, address book, folder manipulation, message searching and spell checking.

Sendy is a self hosted email newsletter application that lets you send trackable emails via Amazon Simple Email Service (SES). This makes it possible for you to send authenticated bulk emails at an insanely low price without sacrificing deliverability.

It is a free and easy-to-use tool for businesses and organizations to manage their online presence across Google, including Search and Maps. If you verify and edit your business information, you can both help customers find your business and tell them your story.

It is a live chat service which allows you to communicate with your customers easily, also with the help of chatbots. It is designed specifically for the WordPress community.

As an industry leader in permission based online marketing, Constant Contact partners with the leading providers of online marketing and social media marketing solutions.

Vero is an event-driven email marketing platform for engineering, marketing, and product teams - it gives you the visibility and clarity to help you collaborate and move faster in designing and sending emails using real-time customer data.

Mailtrain is a self hosted newsletter application built on Node.js (v5+) and MySQL (v5.5+ or MariaDB).

Sendicate is an email app that brings together simplicity and design to simply send emails to people who matter.

It adds scheduled sending and the easiest, most integrated email reminders to Gmail, helping you reach Inbox Zero.

Secure, reliable email hosting for businesses, families, and professionals. Premium email with no ads, excellent spam protection, and rapid personal support.

250ok is an email deliverability tools company that produces a Software‐as‐a‐Service (“SaaS”) platform to monitor and measure the deliverability of email networks. These networks consist of companies sending various forms of messages including marketing, transactional, share, and others from various platforms.

It enables you to create a valuable marketing list of prospects, partners, and clients, so you can develop relationships with them and build a responsive and profitable customer base.

It empowers digital marketing leaders and business owners with the only #omnichannel customer engagement platform built to accelerate business outcomes.

It is a personalization and engagement solution for businesses and organizations designed to improve sales and drive customer engagement throughout their whole experience.

It is an all-in-one email delivery platform. We offer an SMTP Relay, robust HTTP API, and a User Interface that has a complete suite of tools and features for managing contacts, templates, campaigns, and reports. We specialize in delivering transactional and marketing email.

Threads is an extremely flexible and powerful way to engage customers by building workflows and sending triggered emails.

Send email marketing campaigns with Amazon SES. Let Amazon Lambda compose email by email and scale it to infinite. You can: create & edit lists of email addresses and store them within a DynamoDB, edit HTML code, send it & track it success.

Mad Mimi is the easiest way to create, send, share and track email newsletters online. Mad Mimi is for people who want email marketing to be simple. Every day, over 40 million emails are sent, shared and tracked using our delightful and powerful service.

It is an email marketing service provider with over 100,000 small business clients world wide. It helps people keep in touch with the subscribers who have requested to be on their mailing list.

It is designed for the dissemination of information, such as newsletters, news, advertising to list of subscribers. It is written in PHP and uses a MySQL database to store the information.

It is a standalone, self-hosted, newsletter and mailing list manager. It is fast, feature-rich, and packed into a single binary. It uses a PostgreSQL database as its data store.

It is a powerful email marketing platform with world class features and one the simplest user interfaces in the market that doesn't break the bank.

It helps build lasting business relationships, right from your inbox. A sales engagement platform designed for sales professionals and account managers.

It is an Email Marketing Service to engage subscribers, nurture leads, send beautiful, responsive emails and track results.