LSE top 100LSE top 100OpenSSL (33)OpenSSL (33)

Tool and Usage

Project details
Programming languageC
Latest releaseopenssl-3.0.0-alpha5 []

Project health

This score is calculated by different factors, like project age, last release date, etc.

Why this tool?

This popular toolkit is used by many systems. It provides options like encryption and hashing of data, integrity testing, and digital certificates and signatures. Many software applications use the toolkit to provide support for these functions. OpenSSL also has a client utility that can be used on the command line to test, decrypt and encrypt data, and create certificates.

Usage and audience

OpenSSL is commonly used for certificate management or data encryption. Target users for this tool are developers, pentesters, security professionals, and system administrators.


  • Command line interface

Tool review and remarks

The review and analysis of this project resulted in the following remarks for this security tool:


  • + The source code of this software is available
  • + Well-known library


  • - Major vulnerabilities in the past


Supported operating systems

OpenSSL is known to work on all platforms.

OpenSSL alternatives

Similar tools to OpenSSL:



Itsdangerous is a toolkit with various helpers to pass trusted data to untrusted environments. It does achieve this by digitally signing the related data.



Git-crypt enables encryption and decryption of files in a Git repository. It is transparent to the user and can be used to freely share a repository containing both public and private information.



Cryptomator is a multi-platform tool for transparent client-side encryption of your files. It is used together with cloud services to ensure you are the only one who can access the data.

All OpenSSL alternatives

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Related tool information


This tool is categorized as a cryptography library, data encryption tool, data integrity tool, and data signing tool.