Best System Information Software in 2026
Updated
In short: Fastfetch is ranked #1 of 35 as of 4 October 2026, ahead of Facter and ASTRA32. The best-ranked option with a free plan is Facter. The lowest first paid tier on this page is BelManage at $0.83/mo.
When you need a clearer picture of a computer, system information software can surface details about its hardware, firmware, operating system, and installed software. Compare the listed operating systems and check whether firmware or installed-software details are available for the systems you need to inspect. A command-line interface and portable version may suit different ways of working, while report export can help when you want to share findings. Fastfetch, ASTRA32, and EtreCheckPro are among the named options to consider. The free-plan and paid-from fields provide cost context, so weigh them alongside the information each tool covers and how you want to collect or present it.
35 system information software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
11 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | FastfetchWindows · Mac · Linux · Android | Three bars | — | 4 of 6 | Free | 6.6 | |
| 2 | FacterWindows · Mac · Linux · Self-hosted | Three bars | — | 3 of 6 | Free | 6.5 | |
| 3 | ASTRA32Windows | Two bars | — | 1 of 6 | Free | 6.4 | |
| 4 | EtreCheckProMac | Two bars | — | 1 of 6 | Free | 6.4 | |
| 5 | hw-probeLinux · Self-hosted | Two bars | — | 1 of 6 | Free | 6.4 | |
| 6 | HWMonitorWindows · Android | Two bars | — | 2 of 6 | Free | 6.4 | |
| 7 | AppControlWindows | Two bars | — | 1 of 6 | Free | 6.3 | |
| 8 | BtrfsmaintenanceLinux · Self-hosted | Two bars | — | 1 of 6 | Free | 6.3 | |
| 9 | inxiLinux | Two bars | — | 1 of 6 | Free | 6.3 | |
| 10 | WinAuditWindows | Two bars | — | 1 of 6 | Free | 6.3 | |
| 11 | WinSysAnalyzerWindows | One bar | — | 1 of 6 | Free | 6.2 | |
| 12 | ConkyMac · Linux · Self-hosted | One bar | — | — | 2 of 6 | — | 5.5 |
| 13 | HWiNFOWindows | One bar | — | — | 1 of 6 | — | 5.5 |
| 14 | Argus MonitorWindows | One bar | — | — | 1 of 6 | $1/mo | 5.4 |
| 15 | BelManageWeb · Windows · Mac · Linux · Self-hosted | Two bars | — | — | 4 of 6 | $0.83/mo | 5.3 |
| 16 | NWinfoWindows | One bar | — | — | 1 of 6 | — | 5.3 |
| 17 | RegexoWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 18 | WhatInStartupWindows | One bar | — | — | 1 of 6 | — | 5.3 |
| 19 | GraphsLinux | No signal | — | — | 1 of 6 | — | 5.2 |
| 20 | HardInfo2Linux | No signal | — | — | 1 of 6 | — | 5.2 |
| 21 | htopMac · Linux | No signal | — | — | 2 of 6 | — | 5.2 |
| 22 | lshwLinux | No signal | — | — | 1 of 6 | — | 5.2 |
| 23 | SpeccyWindows | No signal | — | — | 1 of 6 | — | 5.2 |
| 24 | System Information ViewerWindows | No signal | — | — | 1 of 6 | — | 5.2 |
| 25 | USBDeviewWindows | No signal | — | — | 1 of 6 | — | 5.2 |
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which system information software is ranked first on Freedom251?
Fastfetch is ranked #1 of 35 with a score of 6.6. Facter is second and ASTRA32 third.
How many of these have a free plan?
11 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, BelManage has the lowest first paid tier we found: $0.83/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.