There are 2 repositories under logfmt topic.
Using the stdlib logging module and without changing a single logging call, logfmter supports global (first and third party) logfmt structured logging.
:evergreen_tree: A high performance logfmt parser for Elixir
An opinionated Python 3 logging Formatter following the Logfmt format with sane defaults.
Simple logfmt CLI tool for colorizing, analyzing, filtering, and formatting structured logs
Java package for generating and parsing log lines in the logfmt style.
Logfmt parser plugin for fluentd 1.0 or later
Logstash decoder for the logfmt format
Drop fields from logfmt streams. A complimentary utility to brandur/hutils.