81 tools · 29 open-source · 52 SaaS
The best email clients & servers. Page 2 of 2.
Last updated October 3, 2026 · ranked by GitHub stars, growth and recent commits
Email clients & servers 49–81 of 81
GMX Mail
Email Clients & Servers
Free email service from United Internet with large attachment support
SaaS
HEY
Email Clients & Servers
Email service from Basecamp with sender screening and inbox bundles
SaaS
Hushmail
Email Clients & Servers
Encrypted email service aimed at healthcare, legal and small business users
SaaS
IceWarp
Email Clients & Servers
Email, collaboration and chat server and cloud service for businesses
SaaS
iCloud Mail
Email Clients & Servers
Apple email service included with iCloud accounts
SaaS
ImprovMX
Email Clients & Servers
Email forwarding service for custom domains
SaaS
Mail.com
Email Clients & Servers
Free webmail service with a choice of domain names
SaaS
Mailbird
Email Clients & Servers
Windows email client that merges multiple accounts and apps
SaaS
mailbox.org
Email Clients & Servers
Secure German email service with calendar, contacts and office tools
SaaS
Mailbutler
Email Clients & Servers
Productivity add-on for Apple Mail, Gmail and Outlook with tracking and templates
SaaSMDaemon
Email Clients & Servers
Email server software for Windows with groupware and security features
SaaS
Microsoft Outlook
Email Clients & Servers
Email, calendar and contacts client from Microsoft for personal and work accounts
SaaS
Mimestream
Email Clients & Servers
Native macOS email client built for Gmail accounts
SaaS
Missive
Email Clients & Servers
Shared inbox that combines team email, chat and collaborative drafts
SaaS
Mixmax
CRM
Sales engagement and email productivity platform for Gmail and Outlook
SaaS
Notion Mail
Email Clients & Servers
AI-powered email client built on Gmail with custom views and labels
SaaS
Polymail
Email Clients & Servers
Email client with tracking, send later and sales features
SaaS
Postbox
Email Clients & Servers
Desktop email client for Mac and Windows with fast search and tabs
SaaS
Posteo
Email Clients & Servers
Ad-free, privacy-focused email service powered by renewable energy
SaaS
Proton Mail
Email Clients & Servers
Encrypted email service from Proton with calendar, contacts and custom domains
SaaS
Rackspace Email
Email Clients & Servers
Hosted business email with calendar, contacts and migration support
SaaS
Runbox
Email Clients & Servers
Norwegian private email hosting service with calendar and contacts
SaaS
SaneBox
Email Clients & Servers
Email management service that filters unimportant messages and adds follow-up reminders
SaaS
Shortwave
Email Clients & Servers
Gmail-based email client with AI summaries and a split inbox
SaaS
SmarterMail
Email Clients & Servers
Email and collaboration server for Windows with webmail and ActiveSync
SaaS
Spark Mail
Email Clients & Servers
Email client with shared inboxes, email delegation and AI writing aids
SaaS
Spike
Email Clients & Servers
Email-based team chat that turns inbox threads into conversations
SaaS
StartMail
Email Clients & Servers
Private email service with unlimited aliases and PGP encryption
SaaS
Superhuman
Email Clients & Servers
Email client with keyboard shortcuts, AI drafting and send-later scheduling
SaaS
Titan Email
Email Clients & Servers
Business email hosting service sold through domain registrars and web hosts
SaaS
Yahoo Mail
Email Clients & Servers
Free web and mobile email service with large storage and filtering
SaaS
Yesware
CRM
Email tracking and sales outreach tool for Gmail and Outlook
SaaS
Zoho Mail
Email Clients & Servers
Business email hosting from Zoho with custom domains, calendar and admin tools
SaaS