CheckMyMac monitors key components in your system and helps preventing and discovering 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'.
Temperature Sensors List
CPU
GPU
HDD
Wi-Fi card
Heatsink throttle
LCD
ODD
MLB
Ambient
PSU
Requirements:
64-bit Intel
Trial Version 10.10+
Full version is 10.8+