Top 81 Other Email Software SaaS Companies in May 2026

San Francisco, California, United States

Alan de Souza built Reachbox.ai, an AI-powered cold email outreach platform offering email warmups, campaign automation, and lead enrichment. He scaled from zero revenue to $6 million ARR in just 18 months, serving 4,500 paying customers at $110 average revenue per user while growing 25% month-over-month with only 7.5% churn rate. His 27-person team generates $230,000 in revenue per employee, with 280 active affiliates driving 35% of all customers through a 20% lifetime commission program that pays out over $50,000 monthly. In this episode, Alan reveals how he added $5 million ARR in just 6 months using systematic customer feedback from 1,500+ conversations, why he still does 10 customer calls every day, and the exact affiliate strategy that turned his customers into a revenue-generating army earning lifetime commissions.

Rochester, New York, United States

Who are we? BCC Software is a local technology company of around 105 professionals with a passion for serving our customers with our How Can We Help attitude. What do we do? BCC Software's suite of address quality, mailing preparation, and data quality services are relied on by some of the country’s biggest direct communications companies. For example, our solutions improve deliverability and reduce postage on over 25% of the US mailstream every year. BCC Software solutions are integration ready, and include API toolkits for custom integrations along with prebuilt connectors to many other software packages. We complete the direct contact lifecycle with our comprehensive suite of data marketing services. BCC Software offers full service data management and campaign execution services, backed by data licensed from the USPS as well as a handful of carefully selected partners. We also offer mailpiece tracking and reporting to improve visibility into the mailstream and enabled timed multi-channel communications. When were we founded? BCC Software was founded in 1978. We enjoy the stability of an established customer base that gives us the freedom to innovate. We like to think of ourselves as a 40 year old start-up.

Nottingham, England, United Kingdom

At 123 Reg, we’re one of the UK’s top web hosts and domain registrars. With over 25 years of industry know-how, we’re the trusted choice for thousands of businesses, hosting more than 1.7 million websites—and counting. Our goal is simple: to make it easy for everyone to get online and bring their ideas to life. Whatever your skill level or budget, we make it easy. We’re here to provide the essentials to help you run your business your way. We offer a range of user-friendly tools and services, from domain registration and website hosting to professional email and online security. Every product is designed for small business owners looking for a hassle-free way to start and grow online. Over the years, we’ve grown with our customers. By 2004, we became the UK’s leading domain registrar, and by 2012 we had registered over 3 million domains. Our achievements include being named Best Web Hosting Service by TechRadar in 2016 and 2017, and winning Start Your Business Magazine’s Best Domain Registration award twice. We’re a group of customer-focused people with great products and service at the heart of everything we do. Thousands of businesses rely on us for our support every day. And our commitment to making the internet a place for everyone remains as strong as ever. It’s as easy as 123 Reg.

San Francisco, California, United States

At Skiff we’re re-designing software as it should have been – to be easy, private, and secure. Our first product is an end-to-end encrypted platform that supports collaboration, email, and messaging. Contact: [email protected]

Beijing, Beijing, China

BoostSolutions is a leading developer of SharePoint components, such as SharePoint Add-ons and SharePoint Web parts which enable Microsoft SharePoint customers to maximize productivity and minimize development risk. With its singular focus on SharePoint add-ons and webparts, BoostSolutions has consistently distinguished itself as the "first-to-market" solutions provider. BoostSolutions add-ons expand existing out-of-the-box Microsoft capabilities and are easily deployed with a minimal investment of resources.

Chennai, Tamil Nadu, India

VYAPIN builds intelligent, cost-effective Systems Management solutions that bridge the gaps in Data, Information and Knowledge that exist across the enterprise - its Systems, processes and people. Our objective is to offer world-class products and solutions that address the demanding needs of Systems Management for the evolving Enterprise. Vyapin develops solutions for Systems, Security, Migration and Compliance management. Our software products for the Microsoft infrastructure assist in Systems Administration, Configuration Tracking and Reporting, Systems Audit, Content Migration and Management. Our solutions: - Deliver substantial cost savings to the customer - Allow better utilization of Systems management time - Yield an overall ROI that is substantial and not just marginal Vyapin is a Microsoft Gold ISV Partner providing enterprise-class solutions for Microsoft Windows, Active Directory, SharePoint, Exchange and IIS.

Santa Monica, California, United States

Plink’s transaction data pipeline generates instant insights and real-time actions from raw payment data. Plink technology is embedded in the largest processing and digital banking platforms in the world and powers personalization of cash back and points for over 1,000 banks, credit unions and fintechs.

Dehradun, Uttarakhand, India

SysInfoTools is a trustworthy provider of indispensable software products for home, business and enterprise leveraging on sophisticated innovative flagship utilities garnering user base of millions of satisfied customers worldwide. Since 2010 we have been able to foster long term tie ups with world renowned companies’ s bonded with trust and immense business. Our expertise extends to whole bunch of data recovery and email management solutions. SysInfoTools is a customer oriented brand focused on delivering quality Windows based utilities valued by top clients. Our dedicated customer specific contact center encompass web enabled social media platform for rapid interaction and communication. Our success story originates from being a dedicated solution provider covering high end exclusive Fast, accurate and reliable solution in data recovery and email management. SysInfoTools offers comprehensive range of 70 +Windows based utilities including email migration, email management, data backup and data recovery software. SysInfoTools technical forefront initiative paved way for more scope for out of the box groundbreaking innovation entrusted with quality assurance and customer specific solutions. To learn more about SysInfoTools software, visit www.sysinfotools.com

Luxembourg, Luxembourg

AI-powered Email OS for Enterprises and Government administrations. The most advanced, customizable, and secure AI-powered email automation solution. A true "Email OS" that goes far beyond traditional email AI tools.

Fort Mill, South Carolina, United States

eSoftTools has one of the best solutions for email conversion and email recovery. eSoftTools Software - EDB to PST Converter - EDB to PST converter software is well famous for its absolute revival and transforming the items of exchange mailboxes included- inbox items; outbox items, journals, calendars, task, notes, draft, and appointments. It also let clients for conversion data of Exchange file to PST, MSG, EML, EMLX and MBOX format with 100% maintains all information integrity. eSoftTools OST to PST Converter Solutions can restore exchange mailboxes to PST, MSG, EML, EMLX and MBOX format along with complete details of OST file as PST and multiple formats.