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Some extensions for ruby logger

A Ruby Logger that stores your log lines in memory.Use it in your tests to avoid awkward mocking!

A http logger

Logger proxy

An appender for the Logging gem that sends all messages logged at the :error level to Airbrake

An appender for the Logging gem that sends all messages logged at the :error level to Honeybadger

The Logging Redis appender provides a way to send log messages to Redis from a Ruby application.

Adapters for different ruby logging backends. Create loggers using different adapters, like Logger (Stdlib), Rails or SLF4J (in JRuby only).

Logica is a framework to reify and work with predicates.

A small compiler wrapper around Logica (Python) that precompiles .l programs into digested SQL files + manifest, with optional ActiveRecord runner.

A silly Ruby implementation of some mathematical logic concepts.

LogicTools is a set of command-line tools for processing logic expressions. The tools include: simplify_qm for simplifying a logic expression, simplify_es for simplifying a logic expression much more quickly than simplify_qm, std_conj for computing the conjunctive normal form of a logic expression, std_dij for computing the disjunctive normal form a of logic expression, truth_tbl for generating the truth table of a logic expression, is_tautology for checking if a logic expression is a tautology or not, and complement for computing the complement of a logic expression.

Simplifies writing a unit of business logic.

Ruby gem to log messages in a output file easily.

this gem consist of a logistic regression class. it uses gradient descent optimisation algorithm. it uses sciruby library for scientific computation.

A simple parser of Apache access log: it parses a line of Apache access log and turns it into an array of strings or a Hash object. And from the command line, you can use it as a conversion tool of file format (to CSV/TSV) or as a filtering tool of access records.

By analysing your development.log, log_magic gives you insights about your services.

Compute CSS sizing/alignment styles for SVG and raster logos with consistent perceived rendering.

log_sense is a log analysis tool which analyzes Ruby on Rails and Apache/Nginx logs and provides detailed data about accesses, performances, and errors. It is a one-stop shop solution for analyzing your Rails application in production. Simple to use and working from the command line, it does not require any modification to your app (e.g., no need to change the log format, no cookies, no JavaScript code, no infrastructure to setup). We use it to monitor our applications in production, using a cron job which pulls the logs and calls log_sense to generate HTML reports. Compatible with Ruby on Rails default logs up to version 8.0.2 and with the combined Apache/Nginx format.