500mail by 500apps Alternatives (September 2025)

OX Cloud Email - Easy, Fast, Secure - Powerful email built for business

Ad-free Business Email Hosting with a clean, easy-to-use interface. Integrated Business Calendar, Contacts, Notes, Tasks. Free for up to 5 users.

Mailfence is the only secure and private email service that gives you control. A free, interoperable encrypted email service protected by Belgian privacy law.

Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.

Secure E-Mail Boolebox: to send and receive encrypted messages and attachments using the advanced security features of Boolebox. Learn more!

PPC Management, NinjaSEM by 500apps speeds up campaign creation and optimization on Google Ads. Get access to 50 apps for $14.99 per user.

Email Finder, Finder.io by 500apps, enables the collection of precise email addresses and email verification. Get access to 50 apps for \$14.99/user.

AI Writer, Outreachwriter by 500apps, automates the entire outreach process. Get access to 50 apps for $14.99 per user.

Wireframe Tool, MockFrame by 500apps helps create interactive wireframes, mockups, prototypes, and more. Get access to 50 apps for $14.99 per user.

Windows mail server software with webmail, caldav, carddav, antivirus, spam filtering - Fast, secure email server software for windows. Download free mail server trial.

Send encrypted email and attachments to any email address, without requiring clients to signup for a new account. Clients can send you secure messages and files with a simple link click.

Encrypt ANY Business or Personal Email in a few minutes. No need to switch email providers. Free encrypted email for Gmail, Yahoo, Microsoft.

Host your professional email on a secure, privacy-guaranteed, and ad-free email hosting service built-in with features like email marketing services can do.

Mailprotector has the complete email security products your users need to cover all three comprehensive pillars: email security, encryption, and privacy.

The Beeble Project is email and online cloud storage platform with unprecedented security and privacy without third party access.

Amazon WorkMail provides secure, managed business email and calendaring with support for existing desktop and mobile email client applications.

Tuta guarantees your data stays private for free & without ads. Quantum-resistant encryption makes Tuta the best secure technology solution to protect your privacy.

Project management software for SMBs. Online collaboration tool · 35 000+ customers · 4.67/5 - 423 reviews · #1 Productivity App

Zimbra: A Cloud-Hosted Collaboration Software and Email Platform That Integrates With Proprietary Business Solutions

Integrate seamlessly with Netcore's Email API for scalability, high deliverability, & real-time analytics. Designed for developers.

Fast, private email hosting for you or your business. More productive, lightning fast, simple and built to save you time.

Fast, secure, and sustainable email services provided by email professionals. Powerful Email and Domain Hosting for businesses and organizations.

An essential suite of email and web security services for SMB and Enterprise.

Forget searching through junk, spam, and unsolicited emails to find what you actually need. Bulletproof turns your open-access inbox into a permission-based one.

​​Multi-channel marketing automation platform with email, web push, SMS, and chatbots for Facebook, Telegram, WhatsApp, and Instagram — all combined in a free CRM.

Test new user signups, transactional emails, spam scores, and more. Get started on our free forever plan with unlimited email addresses and mailboxes.

A powerful email server that blocks 99% of junk emails. It also enables encrypted emailing with large sized file sharing and helps in preventing IP leakages

This reliable and secure transactional email service by Zoho Mail ensures guaranteed and fast delivery of transactional emails, and comes with a pay-as-you-go pricing plan.

Use real-time behavior data and AI to convert more customers with Mailchimp's marketing, automation & email marketing platform. Easy to use - start for free!

Leading mail server and webmail client, XGenPlus offering fast, secure, and reliable emailing services supporting linguistic domains - World's first enterprise email solution.

Save on infrastructure and maintenance costs. Choose your data centre (US, EU, APAC). AWS native cloud email hosting.

Mailtrim provides secure Free email client software with its unique team collaboration Feature and is designed to serve the mailing needs of all business

Redtail Email - provides financial professionals with a convenient and compliant way to retain, retrieve, and report on email correspondence.

Virtru data encryption protects data, through email and file-sharing, Cloud, SaaS, CRM solutions and across internal and external ecosystems.

Create collaborative online workspace in the secure cloud or host it yourself. Work remotely using features of an online workspace. Manage projects and emails, collaborate on docs, chat in ONLYOFFICE Workspace.

Hushmail - Encrypted Email & Secure Web Forms. Our healthcare plans come configured for HIPAA compliance right out of the box.

SmartSuite is a collaborative work management platform that enables teams to plan, track and manage workflows, projects and everyday tasks. Try it free today!

Cost-effective, secure hosted email: mailboxes, calendar and address book

Send HIPAA compliant emails free for 14 days.

Secure your business emails. Train your employees to cyber attacks. Protect your emails with Mailinblack.

Secure hosted email with custom domain. Shared calendars, chat, storage, documents & apps. The only solution integrated and working together in one screen.

Secure, private email hosting service for business or family with mobile sync apps for calendar, contacts, tasks, and notes. Get your private email account.

Mailspring: The open-source, extensible email app for Mac, Linux, and Windows with open tracking, link click tracking, contacts enrichment data and more.

Intelligent Email Security protects against data breaches by engaging and empowering users without introducing friction.

Emails, calendars, contacts, tasks, chat and more

Mailercloud is the ultimate platform for growing businesses, offering smart and intuitive email marketing tool to help you thrive in the digital world.

Email delivery, perfected with Mailtinni! 💌 Your new SMTP service: fast, reliable, highly secure. 🚀

Our email encryption software allows you to work without worrying about your data security. Choose Sealit and make sure your business is protected.

Nurture, convert, and onboard customers with a marketing automation platform built for B2B SaaS businesses.

Organize tasks, spreadsheets, calendar and files all in one place.

Secure email encryption helps protect individuals, SMBs, and Enterprise organizations. Learn more about compliance & secure email encryption.

Secure Windows or Linux mail server that includes chat, calendaring and contacts and offers a cost-effective alternative to Microsoft Exchange.

Send bulk, transactional, & marketing emails with our easy-to-use and reliable SMTP. Check the quality of email and improve delivery. Get started for free!

Reliable, secure, extensible, and customizable mail server software platform made for on-prem and cloud-native deployment; easily scalable, smart licensing.

Zoho Wiki is designed to deliver the best knowledge management and collaboration experience to businesses. Get started for FREE.

Zoho Workplace is a productivity and collaboration suite trusted by millions. It brings mail, chat, files, office suite, meetings, and more into one place.

Supercharge your Gmail: label sharing, export email to sheets, etc. Backup and sync solutions for G Suite, Office 356, Egnyte, Box and Dropbox for Business. Secure and fast migration solution: migrate from Box to Office 365, migrate to G Suite, etc. Helping your productivity, 1 click at a time.

Mailosaur removes the frustration of testing everything a user might do. 
Test password resets, replies, two-factor logins, and more.

We’re powering the next generation of secure email communications for your organization, preventing data leaks & empowering people to work securely.

CRM, Predictive Dialer & Marketing Tools. TLDCRM is built for insurance agencies & call centers with high volume lead flow. Fast, affordable & secure.

Shared inbox for a transparent workspace—Zoho TeamInbox lets you manage team emails efficiently, gives you clutter free inboxes and helps attain Inbox Zero easily.

Zoho CRM is an online Sales CRM software to help manage your customer operations in one CRM platform. Trusted by over 100+ million users worldwide!

An all-in-one free platform to manage your team and run your sales, Bitrix24 is designed to be seamlessly integrated into all your business processes and help you manage them with the highest precision and efficiency.

Use Mailmodo to create and send interactive emails your customers love. Drive conversions and get better email ROI. Sign up for a free trial now.

VIPRE provides email security solutions for every size organization and the IT partners that serve them.

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Take back control of your email with this easy-to-deploy mail server in a box.

With Boolebox cyber security solutions we protect your data everywhere, also in the most commonly used platforms. See more!

Symantec Messaging Gateway protects email against spam, malware, targeted attacks and provides advanced content filtering, data loss prevention, and email encryption.

Nimbus Capture — a screenshot extension for Chrome, Firefox and Edge. Make online screencasts of your desktop or selected browser tabs, or create videos using your webcam. The best screenshoter and screen recorder for FREE

The ultimate email marketing software and marketing automation platform that will not break your bank. Try Moosend for free!

Discover Echoworx, the industry-leading provider of cutting-edge email encryption to safeguard your sensitive communications

Yandex 360 is a digital space that makes it easy to schedule and save important events and share memories. Register to get started — it's free. You can choose a Yandex 360 Premium plan to use even more features.

Gain control of your SaaS Security with Adaptive Shield, the best-of-breed SSPM to ensure the highest SaaS security hygiene for your organization.

SalesInbox lets you have all your emails organised, view them with sales contextual information and analyse them for better understanding.

Digital marketing tools to grow your audience faster and drive revenue smarter. Backed by 24/7 award-winning support. Check it out now!

Fortinet's Email Security Solutions provides protection for your critical business information. Learn how to send Secure Email Gateways (SEG) with FortiMail.

Exceptional Email Security, Email Archiving and Phishing Awareness. Libraesva stops Zero-Day Email Attacks, integrating with M365 and Google

Create and sell online classes and mobile learning apps with no technical skills on online business platform. ✔️ ✔️ No coding required.

Setapp is a large collection of powerful Mac apps available by subscription. Sign up and get full access to top software right away. Explore, discover, enjoy.

See why global enterprises love AppOmni — offering deep posture inspection, advanced detection, elastic scale, and leading threat detection.

Cloud Email Protection, the integrated cloud email security solution from Fortra, stops advanced threats that bypass security defenses and make it into inboxes.

Effortlessly design, optimize, and build stunning email marketing assets with Chamaileon — the industry-first no-code, drag-and-drop email builder. Achieve 90% faster time to market, seamless integrations, and real results. Empower collaboration and scale your marketing

Create, edit, and track your sales activities from your inbox. Stay focused on your goals with customer and prospect data where you work.

Securely archive, search, and analyze your company's email on one platform, preserving vital data while gaining instant business insights.

Nightfall uses AI to protect sensitive data like secrets and PII where today’s end-users work: across Gen AI apps, SaaS, email, and device. Data loss protection for the AI era.

Send your Transactional and marketing Emails safely, track your results and use powerful APIs designed for devolopers by developers. Try for free

Systeme.io has all the tools you need to grow your online business. Click here to create your FREE account!

BlueMail is a modern, mobile and desktop, powerful Email management tool with a sleek design, unified inbox and support for all your accounts: IMAP, Exchange,POP3.

Standard Notes helps you gain control in a world that often feels out of control. Protect your life's work with end-to-end encryption, advanced security measures, and unmatched privacy controls.

Loops makes email marketing for modern SaaS companies easy. It's the best way to create, send and track beautiful email campaigns.

Spambrella is your company for managed email security services and User Awareness Training solutions and products. Try our security services for email today!

Get up to date contact information with a simple & free cross-platform contact manager app that sync across multiple accounts and devices automatically.

N-able Mail Assure offers MSPs AI-driven email security with close to 100% filtering accuracy. Mail Assure also provides continuous uptime and email archiving.

Gist is an all-in-one growth software that serves as a central source of truth through the entire customer journey. Get started for free!

SenditCertified offers a HIPAA-compliant encrypted, cloud-based service with secure email, document e-signature, and document storage.

Mailmunch captures leads from your website and converts visitors into life-long readers, email subscribers and customers.

A unique AI-powered SAAS suite for organic growth. Create AI-powered forms, capture leads, and automate content and email marketing with GoZen.