What is the best log monitoring software?

Platforms:Linux, Docker

Supported languages:Any

Type:Aggregation & Monitoring

Integrations:AWS CloudTrail / HipChat / PagerDuty / Slack

Platforms:Windows

Supported languages:LUA

Platforms:Windows, Linux, Mac

Supported languages:Android / GoLang / JavaScript/HTML5 / iOS / Java / .NET / .NET Serilog / PHP Logging / Python

Type:aggregation & monitoring

Integrations:AppEngine / AppFog / AppHarbor / Azure / Cisco / Cloud 66 / CloudBees / CloudControl / Engine Yard / Heroku / Jelastic / Joyent / Nodejitsu / OpenShift / Fastly / AWS (S3 / Archiving / CloudWatch) / DataHub / CloudTrail