11 Best Email Providers & Clients in 2026
Email providers and clients handle personal and business email hosting or inbox apps, used by individuals, professionals, and privacy-conscious users.
Top email providers & clients
| Tool | Best for | License | Price | Reviews | Likes |
|---|---|---|---|---|---|
| Fastmail | privacy-conscious individuals and small businesses who want custom-domain email with no ads or content scanning and don't mind paying from day one | Paid | From $4/mo | 0 | |
| Gmail | individuals who want a free, reliable, spam-filtered inbox with strong search, and businesses wanting professional email bundled with Google's collaboration suite | Freemium | Free tier · paid from $7/mo | 0 | |
| HEY | individuals and small teams who want an opinionated, spam-resistant inbox and are willing to pay a flat annual fee instead of using free Gmail or Outlook | Paid | From $12/mo | 0 | |
| Microsoft Office | Households and small teams who want Word, Excel, PowerPoint, and Outlook synced across Windows, Mac, iOS, and Android with shared cloud storage and Copilot AI built into the apps. | Freemium | Free tier · paid from $9.99/mo | 0 | |
| Outlook | individuals who want a free, ad-supported webmail and calendar client, with the option to upgrade to an ad-free inbox, larger storage, and Copilot AI through a Microsoft 365 subscription | Freemium | Free tier · paid from $9.99/mo | 0 | |
| Proton Mail | privacy-conscious individuals, journalists, and small teams who want end-to-end encrypted email with open-source, independently audited clients rather than a mainstream provider that can technically read stored mail | Open core | Free tier · paid from $3.99/mo | 0 | |
| Superhuman | professionals and teams handling a high daily email volume who are willing to learn keyboard shortcuts and pay a premium for faster triage | Paid | From $25/mo | 0 | |
| Thunderbird | privacy-conscious individuals and teams who want a full-featured, ad-free email and calendar client without a subscription, and are comfortable installing desktop software rather than using webmail | Open source | Free | 0 | |
| Tuta | privacy-conscious individuals and organizations, including journalists, healthcare providers, and nonprofits, who want end-to-end encrypted email and calendar with open-source, auditable clients | Open core | Free tier · paid from $3.25/mo | 0 | |
| Zoho Mail | small businesses and startups that want ad-free, custom-domain email without Google Workspace or Microsoft 365 per-seat pricing | — | Free tier · paid from $1/mo | 0 | |
| Zoho Workplace | Small and midsize teams that want business email, office documents, chat, and video meetings from a single vendor at a lower per-seat cost than Google Workspace or Microsoft 365. | Freemium | Pricing not verified | 0 |
Fastmail
Gmail
HEY
Microsoft Office
Outlook
Proton Mail
Superhuman
Thunderbird
Tuta
Zoho Mail
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Frequently asked questions
What is the best email providers & client tool right now?
- Fastmail leads this list by user signals — it is best for privacy-conscious individuals and small businesses who want custom-domain email with no ads or content scanning and don't mind paying from day one. Gmail is the strongest runner-up.
Which email providers & clients are free?
- 8 of the 11 tools here have a usable free tier or are fully free: Gmail, Microsoft Office, Outlook, Proton Mail, Thunderbird and 3 more.
Are there open-source email providers & clients?
- Yes — Proton Mail, Thunderbird, Tuta are open source.