- Stars
- 15,064
- License
- CC0-1.0
- Last commit
- 4 months ago
PythonStable
Best Mail Servers & Relays Tools
Explore leading tools in the Mail Servers & Relays category, including open-source options and SaaS products. Compare features, use cases, and find the best fit for your workflow.
9 open-source projects · 8 SaaS products
Top open-source Mail Servers & Relays
These projects are active, self-hostable choices for knowledge management teams evaluating alternatives to SaaS tools.
- Stars
- 10,174
- License
- MIT
- Last commit
- 3 months ago
TypeScriptActive
- Stars
- 7,088
- License
- GPL-3.0
- Last commit
- 3 days ago
TypeScriptActive
- Stars
- 6,938
- License
- Unknown
- Last commit
- 15 days ago
PythonActive
- Stars
- 5,755
- License
- GPL-3.0
- Last commit
- 16 days ago
GoActive
- Stars
- 5,485
- License
- MIT
- Last commit
- 5 days ago
JavaScriptActive
Recently updated
3 days ago
Tuta Mail provides encrypted email, contacts, and calendar syncing on web, desktop, and mobile, ensuring privacy-first communication with built-in end-to-end encryption for every user.
Dominant language
TypeScript • 4 projectsExpect a strong TypeScript presence among maintained projects.
Popular SaaS Platforms to Replace
Understand the commercial incumbents teams migrate from and how many open-source alternatives exist for each product.
Bird Email API
Email sending API & SMTP relay with analytics and deliverability tooling
Mail Servers & Relays
Alternatives tracked
4 alternatives
Gmail
Email service with spam protection and Google integration
Mail Servers & Relays
Alternatives tracked
6 alternatives
MailerSend
Email API for transactional and bulk email
Mail Servers & Relays
Alternatives tracked
Not yet mapped
Mailgun
Transactional email API with SMTP/HTTP sending, routing, and deliverability tools
Mail Servers & Relays
Alternatives tracked
4 alternatives
Mailjet
Email API & SMTP relay with transactional and marketing sending
Mail Servers & Relays
Alternatives tracked
4 alternatives
Mailtrap Email Sending
Transactional email API & SMTP relay with built-in testing and analytics
Mail Servers & Relays
Alternatives tracked
4 alternatives
Most compared product
6 open-source alternatives
Gmail provides free and business email with filters, labels, threading, powerful search, and integration with Google Workspace.
Leading hosted platforms
Frequently replaced when teams want private deployments and lower TCO.
Explore related categories
Browse neighbouring categories in Applications to widen your evaluation.
- Accounting & InvoicingSelf-hosted and open-source accounting, billing, and invoicing software.
- AI Personal Assistant SoftwareEnd-user voice/text assistants for personal tasks and automation.
- Analytics & BI PlatformsBusiness intelligence and analytics tools for dashboards and reporting.
- Appointment Scheduling & Booking PlatformsSelf-hosted or OSS tools for customer booking, calendar routing, reminders and payments.
- Bookmark Managers & Read-It-LaterSave, tag, and search links; clip pages to read later and organize collections.
- Content Management Systems (CMS)Platforms for managing website content and blogs with themes, plugins, and roles.