Log Harvestor - Simple, modern & fast log management platform
observIQ Cloud - The intuitive log management platform that you actually want to use.
LogTailApp - LogTail is a local and remote (SSH) log file viewer and monitoring application for Mac OS X. It is a pure, modern, document-based Cocoa App
Coralogix - Coralogix is a machine learning powered log analytics solution aimed to solve the problem of unmanageable log data.
Servers.lol - Should your EC2 be a Lambda?
logstash - logstash is a tool for managing events and logs.