Alternatives to TM Error Logger

Temperature monitoring, fan control and diagnostics

Monitor computer's sleeping habits

Battery level monitoring software

Time Machine log viewer & status inspector

Utility to change the default backup interval of Time Machine

Menu bar app to show Time Machine information

Set of CPU, memory, disk, and network monitoring tools

Status monitoring

Analysis tool for security research and malware triage

Logging tool suite

Drive health diagnostic & monitoring tool

System monitoring app