ZeroSSL

Free SSL Certificates: ZeroSSL offers free 90-day SSL certificates, which are ideal for testing or for personal websites.
Paid SSL Certificates: For longer-term coverage and additional features like wildcard certificates, ZeroSSL provides affordable paid options.

• One-Step Validation: Quickly validate your domain ownership through email, server uploads, or CNAME verification.
• ACME Integrations: Automate certificate issuance and renewal with integrations for popular ACME clients.
• REST API: Manage your SSL certificates programmatically using the ZeroSSL REST API.
• SSL Monitoring: Track the status of your SSL certificates and receive alerts for upcoming expirations.
• Cost-Effective: The availability of free SSL certificates makes ZeroSSL an attractive option for budget-conscious users.
• Ease of Use: The platform is designed for simplicity, making it easy to obtain and manage SSL certificates.
• Automation: ACME integrations and the REST API allow for automated certificate management, saving time and effort.
• Flexibility: ZeroSSL offers a range of certificate types to suit different needs.

Short Validity Period for Free Certificates: The 90-day validity period for free certificates requires more frequent renewals.
Limited Support for Free Users: Free users may have access to fewer support options compared to paid users.