Top 15 Let's Encrypt Alternative and Similar Softwares | Mar 2024

Anyone who has gone through the trouble of setting up a secure website knows what a hassle getting and maintaining a certificate can be. Let’s Encrypt automates away the pain and lets site operators turn on and manage HTTPS with simple commands.

No validation emails, no complicated configuration editing, no expired certificates breaking your website. And of course, because Let’s Encrypt provides certificates for free, no need to arrange payment.

1. wolfSSL

wolfSSL wolfSSL offers an embedded SSL implementation that is portable, progressive, and easy to use with products including the wolfSSL embedded SSL library and the wolfSSL Embedded Web Server.......

2. SharkSSL

SharkSSL The SSL/TLS and Certificate tutorial for Windows enables you to fast track your understanding of the SSL/TLS protocol, Certificate Management, and secure communication. The download includes many C source code examples, including a secure WebSocket tutorial. You can either compile the examples "as is" or modify them to suite your......

3. GnuTLS

GnuTLS GnuTLS (the GNU Transport Layer Security Library) is a free software implementation of the SSL, TLS and DTLS protocols. It offers an application programming interface (API) for applications to enable secure communication over their network transport layer, as well as interfaces to access X.509, PKCS #12, OpenPGP and other structures.......

4. CAcert

CAcert CAcert.org is a community-driven Certificate Authority that issues certificates to the public at large for free.CAcert's goal is to promote awareness and education on computer security through the use of encryption, specifically by providing cryptographic certificates. These certificates can be used to digitally sign and encrypt email, authenticate and authorize......

5. KB SSL Enforcer

KB SSL Enforcer This extension enforces encryption for websites that support it as much as currently possible in Chrome. This gives you added security and privacy for your browsing automatically and transparently. This is particularly important on insecure networks, such as public wifi in e.g. coffee shops and hotels.It is not completely secure......

6. LibreSSL

LibreSSL LibreSSL is a FREE version of the SSL/TLS protocol forked from OpenSSL......

7. Pastee

Pastee A pastebin for the security-minded : https & encryption out of the box. Pastes are not listed for added privacy and Paste IDs are carefully chosen .i.e. no incremental IDs. Lots of other goodes: cli client, API, own url-shortening etc.......

8. mbed TLS

mbed TLS The mbed TLS library is a dual licensed (GPLv2 or proprietary) implementation of the SSL and TLS protocols and the respective cryptographic algorithms and support code required. Stated on the website is that mbed TLS aims to be "easy to understand, use, integrate and expand". mbed TLS provides SSL /......

9. OpenSSL

OpenSSL OpenSSL is a framework which implements the secure socket layer. It ships with a program/library which gives you access to all those functions.With this program you can create, check or view x509 certificates. Furthermore you can encrypt/decrypt data streams with a great variety of algorithms.......

10. Træfik

Træfik Imagine that you have deployed a bunch of microservices on your infrastructure. You probably used a service registry (like etcd or consul) and/or an orchestrator (swarm, Mesos/Marathon) to manage all these services. If you want your users to access some of your microservices from the Internet, you will have to......

11. TinyURL

TinyURL Are you sick of posting URLs in emails only to have it break when sent causing the recipient to have to cut and paste it back together? Then youve come to the right place. By entering in a URL in the text field below, we will create a tiny URL......

12. GPGMail

GPGMail GPGMail is an open source plugin for Apple Mail. It brings the functionality to sign, verify, encrypt and decrypt mails using the OpenPGP standard.......

13. Network Security Services

Network Security Services Network Security Services (NSS) comprises a set of libraries designed to support cross-platform development of security-enabled client and server applications with an option support for hardware SSL acceleration on the server side and hardware smart cards on the client side. NSS provides a complete open-source implementation of cryptography libraries supporting......

14. OpenKeyChain

OpenKeyChain OpenKeychain helps you communicate more privately and securely. It uses high-quality modern encryption to ensure that your messages can be read only by the people you send them to, others can send you messages that only you can read, and these messages can be digitally signed so the people getting......

15. Seahorse

Seahorse Seahorse is a front end for GnuPG - the GNU Privacy Guard program - that integrates to the GNOME desktop. It is a tool for secure communications and data storage. Data encryption and digital signature creation can easily be performed through a GUI and Key Management operations can easily be......