Best System Utilities in 2026

Clean, protect and speed up your Mac.

Key CleanMyMac X features:

User-Friendly Interface Comprehensive Cleaning Performance Optimization Safety Database

Check your business domain’s public DMARC and SPF records free. Ongoing monitoring is free for one domain; $29/month covers up to five.

Key Taverlo features:

Public DMARC lookup Public SPF lookup Plain-language result Administrator handoff

Visit website freemium $29 / Monthly (Up to 5 monitored domains) Sponsored

CCleaner cleans, speeds up and frees up space on business endpoints.

Key CCleaner features:

Ease of Use Automated Cleaning System Optimization Customizable Cleaning

DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.

Key DaisyDisk features:

Visual Interface Speed User-Friendly Multiple Disk Support

paid Free Trial $9.99 / One-off

OmniDiskSweeper is a tool to free up the hard disk space by detecting the large files and folders.

Key OmniDiskSweeper features:

User-Friendly Interface Comprehensive Scanning Free to Use Detailed File Information

When your computer is getting full, BleachBit quickly frees disk space.

Key BleachBit features:

Free and Open Source Cross-Platform Compatibility User-Friendly Interface Extensive Cleaning Options

Open Source

Caffeine is a tiny program that puts an icon in the right side of your menu bar.

Key Caffeine for Mac features:

Prevent Sleep Mode Easy to Use Free Lightweight

See how fast you can click.

Key Click Speed Test features:

Skill Improvement Stress Relief Competitiveness

Free Online Keyboard Testing Tool.

Key Keyboard Tester Pro features:

User-Friendly Interface Comprehensive Key Testing Real-Time Feedback Compatibility

Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.

Key Open Hardware Monitor features:

Free and Open Source Wide Hardware Support User-Friendly Interface Customizable

Rebuild your whole Windows working setup on a new PC, not just the files. It carries the junctions, credentials and local configs that git and file-sync leave out, then rebuilds the machine and installs what each project needs.

Key Densar BK features:

Rebuilds the setup, not just the files Carries what git leaves out Skips what can be rebuilt Installs what the projects need

freemium €59 / One-off (BK Smart AI, one-time. Restoring is always free)

Windows PC repair tool you can talk to. Describe the problem, get it fixed. A local AI learns your system, finds the real problem, fixes it in the right order, and lets you undo everything with one click. Free beta | no cloud, no fake scans.

Key SimpleFixAI features:

Simple and user-friendly interface AI-powered diagnostics Quick problem resolution Cost-effective support alternative

Free, open-source native macOS menu-bar app for monitoring temperatures and managing fan cooling when macOS automatic control is not enough.

Open Source free

Back up, diagnose and restore Windows drivers without the guesswork. Driver Passport, Rescue Bundle and official-source updates for Windows 7-11, 32/64-bit. Free version available.