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SpeedFan - Hardware monitor for Windows that can access digital temperature sensors located on several 2-wire SMBus Serial Bus. Can access voltages and fan speeds and control fan speeds. Includes technical articles and docs.
DiskWarrior - DiskWarrior, the world's most advanced and highest rated hard disk, hard drive, and disk repair and data recovery tool for macOS, OS X and Mac OS X.
Argus Monitor - Argus Monitor is for monitoring and analyzing the temperature and the health status of the hardware parts of the system.
321Soft Data Recovery for Mac - The ultimate Mac Data Recovery software with RAID supported.
Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
iBoysoft Data Recovery - iBoysoft Data Recovery for Windows serves as advanced data recovery software to assist users in file recovery from Recycle Bin, BitLocker-secured drives, RAW partitions, corrupted or formatted drives, deleted or lost partitions, etc. on Windows.