The buttoned-up and boring, but deeply analyzed, implementation of SigV4 in .NET

Use AWS signature version 4 Authentication with the python requests module

Anvil Secure's Burp extension for signing AWS requests with SigV4

A SigV4 authentication plugin for the open-source Gocql Driver for Apache Cassandra. Allows use of IAM users and roles

A SigV4 authentication plugin for the open-source DataStax Java Driver for Apache Cassandra. Allows use of AWS IAM users and roles for direct authentication.

Amazon Web Services version 4 authentication for the Python httpx library

A SigV4 authentication plugin for the open-source Python Driver for Apache Cassandra. Allows use of IAM users and roles.

Coding Example for aws-sigv4-auth-cassandra-java-driver-plugin, a SigV4 authentication plugin for use with DataStax java driver and Apache Cassandra.

A SigV4 authentication client side plugin for the open-source DataStax NodeJS Driver for Apache Cassandra. Allows use of IAM users and roles.

the c++ implementation of awsv4 signature

A Flutter package that generates, signs, sends requests to AWS

Extension to urllib3 adding support for AWS Signature Version 4

AWS Signature Version 4 signing library / mruby port of aws-sigv4

Example php scripts making sigv4 signed aws api requests

awsSignV4Apigee.js is a Pure JavaScript implementation of AWS Signature Version 4 signing process for use with Amazon Web Services (AWS) APIs.