LSE top 100LSE top 100Lemur (62)Lemur (62)

Tool and Usage

Project details
LicenseApache License 2.0
Programming languagePython
Latest release0.9.0 []

Project health

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


With Lemur you can provide a central portal for developers and administrators to issue TLS certificates with predefined defaults.

Lemur works on CPython 3.5 and uses the Flask framework. Another component it uses is cryptography to handle the creation of the certificates.

Netflix develops on macOS and deploys on Ubuntu servers.

Usage and audience

Lemur is commonly used for certificate management. Target users for this tool are developers and system administrators.

Tool review and remarks

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


  • + More than 500 GitHub stars
  • + The source code of this software is available
  • + Supported by a large company

Author and Maintainers

Supporting company

This project is maintained by Netflix

Lemur alternatives

Similar tools to Lemur:



Certigo is a security tool to find information about different types of digital certificates and validate them. It can be used in scripts or manually.



The sslmerge tool helps with merging different type of certificates so that a correct certificate chain is created.



The tls-ca-manage is a certificate authority management tool written in shell script. It can be used to manage certificates for TLS/SSL configurations.

All Lemur alternatives

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Related tool information


This tool is categorized as a certificate management tool.