Free SSL and Cheap SSL Certificates

Free SSL Certificate:

1. CACert free certificate
Free SSL certificate, trying to figure out how to use it.
Recommended for testing.
Official website: http://www.cacert.org/

StartSSL
StartSSL provides 1 year of free SSL, which can be renewed after expiration. Always free to use.
Recommendation: Limited use.
Address: https://www.startssl.com/

Cheap SSL Certificates:

1. comodo
Comodo officially provides 90 days of free SSL, check it out.

2. havehost
Havehost has a good offer recently, including PositiveSSL for only $4/year.
Need to use coupon code: SSL4ONLY
Buy

3. drserver
drserver is a foreign hosting company that provides dedicated servers, xen vps and SSL. Among them, Comodo PositiveSSL is cheap, as follows:
5 years/s – $18.20
4 years/s – $14.20
3 years/s – $11.70
2 years/s – $8.10
1 year/s – $4.70
The price is very good.
Buy Link
drserver official website: https://drserver.net/

4. gogetssl
$4.15/year, GGSSL Domain SSL Certificate
$4.55/year, Comodo Positive SSL
$8.85/year, RapidSSL Standard

5. IITSP
iitsp provides relatively low-priced SSL, as follows:
Comodo Essential $20.95/year
RapidSSL $19.95/year Details and purchase: https://service.iitsp.com/cart.php?gid=5
Official website: http://www.hostonarope.com/

6. ipxcore
ipxcore's SSL is only $15/year, https://ipxcore.com/ssl/

7. centriohost
$15/year, SSL Brand: AlphaSSL (single domain name and single IP)
Coupon code: LET2SSL
Buy Link

8. cheapsslsecurity
$4.8/year, comodo ssl. $6.5/year, rapidSSL
Address: https://cheapsslsecurity.com/

9. Limenex
$5/year, comodo ssl. $9/yr for GeoTrust SSL.
Address: http://limenex.com/

10. cheapsslsecurity
comodo ssl $4.8/year

11. SSLPoint
comodo ssl $8.85/year

12. SSLTrust
Affordable price.