CheckMyMac monitors key components in your system and helps preventing major malfunctions before they happen.

Features:
Monitor system components
Manage User Processes(new)
Monitor User Processes Within MenuBar(new)
Schedule alert notifications based on various temperature sensors in your system.
Clean inactive and leaked RAM in your system.
Control your fans manually.
Clean dust by blowing the air out of your Mac for limited time.
3 modes -- full view, compact view and status bar.
Colourful themes at your choice

Monitoring
CPU - Average CPU usage and each core usage and its temperature.
RAM - Monitors RAM usage.
GPU - Monitors dedicated GPU usage and its temperature.
VRAM - Monitors VRAM usage.
Fans - Monitors fans RPM as well as grants control over the fans' RPM.
Temperature sensors - Monitors various temperature sensors.

Temperature Sensors List
CPU
GPU
HDD
Wi-Fi card
Heatsink throttle
LCD
ODD
MLB
Ambient
PSU


Requirements:
Trial Version is 10.10+
Full version is 10.8+
64-bit Intel