🌱 WipeCMOS [1k] + Clears all CMOS settings to recover from lost passwords or corrupt BIOS settings. 📺
🌱 BIOS 1.35.1 [24k] + Saves and restores BIOS settings 📺
🌱 QNX Demo Disk [1400k] + "A Web browser, a web server, a POSIX-certified realtime OS, TCP/IP and a windowing system on a single 1.44 Mbyte floppy disk." (Note: QNX has removed the Demo Disk from their website and has not responded to my phone calls and emails to restore it or allow me to post it here. The link, therefore, points to the Wayback Machine's cached version. You can find the downloads here.) 📺
🌱 MENUET OS [1420k] {S}+ "An OS written fully in 32 bit assembly. It's a Real-Time, graphical OS for 32 bit asm programming, and it fits on a single floppy." 📺
🌱 KolibriOS 0.7.7.0 [1440k] {S}+ A small x86 assembler hobby operating system, forked from MenuetOS in 2004. 📺
🌱 Visopsys 0.69 [1440k] {S}+ A fully multitasking, 100% protected mode, virtual-memory, massively-monolithic-style kernel with a bare-bones C library and minimal suite of applications. 📺
🌱 colorForth [63k] {S}+ A dialect of Forth that uses color to replace punctuation. Includes its own operating system. Produces extremely compact programs. Instant compile from pre-parsed source. 📺
🌱 FREESCO (FREE ciSCO) 0.4.5 [1440k] {S}+ "NAT/firewall router/server based on Linux and runs on a single 1.44MB floppy" 📺
🌱 Floppinux 0.1.0 [1440k] {S}+ "An embedded Linux on a single floppy". Released May 2021. Includes build instructions. 📺
The Ultimate Boot Disk 4.3m [615k] + Partial list of features: Restores system files, installs Windows faster, identifies PC hardware, extracts Windows cd files, troubleshoots startup errors, clones drives or partitions, streamlines the registry, optional virus scanner. 📺
🌱 Bart's Network Boot Disk [390k] + Network boot disk with PCI NIC auto-detect, support for TCP/IP, Nwlink and Netbeui, over 100 driver plugins available. 📺
The BootDisk Project & Bootdisk.info provide a wide variety of bootdisk images.
Google's listing of floppy-sized Linux distros
🌱 Berkely Utilities [from 12k] + A set of 40 UNIX-like utilities for MS-DOS, each around 20k. Formerly $200, now free. Includes: awk, basename, cal, cat, cb, cmp, comm, cp, cut, df, diff, dtree, du, ech, ed, expand, find, grep, head, join, ls, make, more, mv, od, opts, paste, rederr, rm, sed, sort, split, tail, tee, touch, tr, unexpand, uniq, wc, which, xstr. 📺 💾
Explore2fs 1.07 [384k] {S}+ GUI explorer tool for accessing ext2 and ext3 filesystems. 📺
🌱 Swiss File Knife File Tree Processor [1096k] + A veritable treasure chest of functionality bundled up into a single EXE: grep, tree size list, instant FTP/HTTP server, text line filter, text replace, duplicate file finder, split/join files, create MD5 lists, run command on many files, extract strings, and much more. 📺
🌱 Unix Tools [1166k] + 17 Unix utilities that execute from one EXE without ever extracting to disk. Includes: Bash, Less, Gzip, Grep, Find, Df, Du, Ls, Cat, Cp, Mv, Ps, Rmdir, Mkdir, Rm, Pwd, Tar. 📺
Cygwin-Lite v1-3-3 [1280k] {S} UNIX-like command-line environment for Win9x/Me/NT4/2000 📺
🌱 GNU utilities for Win32 [1454k] {S}+ Over 100 GNU apps ported to native Win32 (see this post for more information). 📺 💾
GNUWin32 [various sizes] {S}+ Over 150 GNU apps ported to native Win32. 📺
🌱 Gemulator Explorer 2.03 [30k] + "Access and copy files from any Macintosh 1.44M floppy disk, Macintosh CD-ROM, Macintosh ZIP disk, external Macintosh SCSI hard drive, Atari ST formatted floppy disk, Atari ST ZIP disk, Atari ST formatted hard drive, and even disk image files." 📺
HFVExplorer 1.3.1 [405k] + Access Mac disks under Windows 📺
Virtual Disk Driver (VDK) 3.2 [100k] {S}+ Mount VMWare virtual disks and raw sector images (made with tools like ddrescue) under 32-bit versions of Windows NT/2000/XP/2003. 📺
🌱 CloneVDI 2.10 [118k] {S}+ Converts Microsoft VHD, VMWare VMDK, Parallels HDD, raw disk/partition images, and physical drives to VirtualBox VDI; clones VDI files (independent of and significantly faster than VBoxManage.exe) with a number of options (compact image, change UUID, increase virtual disk and/ partition size, merge snapshots); and more, including extensive documentation. 📺
MBRWork [16k] + Perform some common and uncommon tasks to the MBR/EMBR/Sectors of a hard drive. 📺
🌱 Free FDISK 1.3.1 [35k] + The official FDISK of FreeDOS 📺
🌱 DE v3.0 [70k] + Very powerful disk editor for 12 and 16-bit FAT drives. Extensive documentation included. 📺
🌱 Ranish Partition Manager 2.40.00 [96k] {S}+ Partition tool for experts and would-be experts. Free for private use, educational and non-profit organizations for 10 years. 📺
🌱 Partition Resizer 1.3.4 [97k] + "The first free program to resize and move partitions without data loss." Supports disks up to 2TB. 📺
🌱 XOSL v1.1.1 [101k] {S}+ "Extended Operating System Loader (XOSL) is the world's only full-featured free boot manager with a real, easy-to-use and full-blown graphical user interface." 📺
🌱 Delpart [123k] + Delete NTFS partitions that defy FDISK. 📺
🌱 FIPS 2.0 [158k] {S}+ Non-destructive splitting of harddisk partitions. 📺
🌱 TestDisk 6.3-WIP [from 227k] {S}+ Tool to check and undelete partitions. Precompiled binaries available for DOS, Windows, OS X, and Linux. Works with the following partitions: BeFS (BeOS); BSD disklabel (FreeBSD/OpenBSD/NetBSD); CramFS (Compressed File System); DOS/Windows FAT12, FAT16 and FAT32; HFS, Hierarchical File System; JFS, IBM's Journaled File System; Linux Ext2 and Ext3; Linux Raid; Linux Swap (versions 1 and 2); LVM and LVM2, Linux Logical Volume Manager; Netware NSS; NTFS (Windows NT/2K/XP/2003); ReiserFS 3.5 and 3.6; UFS (Sun/BSD/...); and XFS, SGI's Journaled File System. 📺
Boot-US 1.6.3 [634k] "Boot-US consists of an universal boot manager together with a comfortable Windows installation program. With Boot-US you can easily use all your available operating systems." Free for personal use. 📺
🌱 GAG 4.10 [1392k] {S}+ Full-featured graphical boot manager with support for up to 9 different operating systems. 📺
🌱 Savepart 3.90 [1414k] + Save, restore and copy hard drive partitions 📺
🌱 RegShot v1.7.2 [28k] {S}+ Uncover registry changes 📺 💾
Regmon v7.02 [175k] {S}+ Monitors and displays all Registry activity 📺
Filemon v6.12 [76k] {S}+ Monitors and displays file system activity in real-time 📺
🌱 WhatChanged 1.07 [96k] + Takes before and after snapshots of filesystem and registry for tracking installers, etc. 📺
Test-Run 2.1.2 [144k] Protects the registry while testing new software. 📺
Toolwiz Time Freeze 1.2.0.120 [1210k] "Reboot to restore" app similar to Deep Freeze; temporarily virtualizes OS for software testing, etc. 📺
🌱 Regcmd 0.88a [25k] Command line based Registry editor. 📺 💾
Tweak UI 1.33 [64k] Tweaks for the Windows User Interface 📺
🌱 RegSeeker 1.06 beta [247k] + Powerful registry cleaner and more. Free for personal use. 📺
98lite Preview 4.5 [318k] Remove web integration and many other resource-hogging "features" from Windows 98/Me. 📺
RegCleaner 4.3 [540k] "Easily get rid of those old and obsolete registry entries created by software that you have destroyed ages ago." 📺
StartupRun v1.20 [27k] + A better msconfig. 📺
🌱 A-spy 0.0.9 [318k] + Startup manager with an "About" box which provides scads of live system info. 📺
🌱 AppSwat v1.3.0.0 [8k] + Process terminator. Command-line termination, system startup integration and an effective termination mechanism. 📺
Procmon 1.5 [33k] {S}+ View, terminate, and prioritize active processes. 📺 💾 🌎
🌱 ProcX 1.000 [55k] + Light yet powerful task manager. 📺
PrcView 3.7.2.5 [100k] + Process viewer/killer. Includes both GUI & CLI versions. 📺
Process Explorer 8.20 [230k] + Process viewer/killer. Displays process icon, command-line, full image path, memory statistics, user account, security attributes, DLLs. Also includes search function. 📺
🌱 UpTime 1.0 [13k] + Displays up-time in a tooltip from the system tray 📺
🌱 MemTest 3.8 [15k] + RAM reliability tester that runs under Windows. 📺
🌱 CPU Info [17k] + Determines CPU type, vendor, serial number, and clocks CPU speed. 📺
🌱 Infoman2 [20k] + Tiny display of available free physical memory and system resource data. 📺 💾
🌱 MyCPU 1.13f [47k] + Displays CPU info: vendor, type, model, stepping, speed, cache, more. 📺
🌱 Memtest86 3.0 [51k] {S}+ A thorough, stand alone memory test for x86 architecture computers. 📺
MBProbe 1.31 beta 9 [69k] + Monitors voltages, temperatures and fan speeds using hardware monitoring chip(s) available on many modern motherboards. (Download also includes contents of MBProbeNT.zip: giveio.sys and ntinst.exe) 📺 💾
🌱 QwikMark 0.4 [84k] + Benchmarks CPU speed, FLOPS, memory bandwidth, and disk transfer. Also provides CPU details, instruction set, and more. 📺
🌱 TinyResMeter [92k] + System resource information tool 📺
🌱 SpinRite 5 [95k] $+ "The most capable, thorough, and reliable utility that has ever been created for the long term maintenance, recovery, and repair of mass storage systems." 📺
🌱 WinAudit v1.2.3 [112k] + System info tool that lists: installed software, license information, peripherals, memory usage, processor model, network settings and more. Reports can be saved in several file formats. 📺
🌱 Merlin's PCI Hardware Sniffer 1.1 [209k] {S}+ Produces detailed report of all connected PCI, AGP & CardBus devices, including the system chipset. 📺
🌱 HD Tune 2.51 [183k] + Hard disk utility which reports drive info, health, and benchmarks. 📺
🌱 CPU-Z 1.30 [296k] + Displays CPU, Motherboard, Memory, and System info. 📺
🌱 NSSI 0.60.45 [500k] + Hardware information tool with many advanced features 📺
Belarc Advisor 5.0m [589k] "Generates an HTML profile of everything installed on your computer, from your main circuit board to software. Version, manufacturer, and serial numbers are listed, as well as statistics such as available memory slots and hard drive space." Free for personal use. 📺
🌱 Unknown Devices 1.4.20 [629k] {S}+ Determine the identity of unknown devices in Device Manager. 📺
🌱 PCISniffer 1.2 [675k] + Bootable floppy that detects and displays all PCI buses and devices. Database includes approx. 4000 devices and 1500 vendors. 📺
🌱 AIDA16 [1054k] + System information program. Extracts details of all components of the PC. Can display information on the screen or write it to file. 📺
🌱 DDL [4k] + Load DOS device drivers from the command line, without having to reboot. 📺 💾
Drop To DOS [10k] + With Drop to DOS, you can right click on any folder and choose the Drop to DOS option to take to you a command prompt within that folder. 📺
🌱 XMSDSK & EMSDSK [75k] + A RAM disk which can be created, resized, and destroyed from the command line 📺 💾
🌱 Boot Log Analyzer [234k] + BOOTLOG.TXT filter 📺
USBDLM (USB Drive Letter Manager) 4.7.0.0 [330k] + Assign drive letters based on: volume label, presence or absence of a file or folder, specific USB port, active user, drive size, bus type (USB, Firewire, ATA, SCSI, etc), and more. 📺
🌱 WinContig v5.0.3.3 [961K] + "Quickly defragment individual files without the need to defragment the entire disk." Supports Windows Vista through 11, server versions from 2008 to 2019, and FAT, FAT32, exFAT, NTFS, and ReFS filesystems. 📺
🌱 OllyDbg v1.10 [1085k] + 32-bit assembler-level analyzing debugger for Microsoft Windows with intuitive interface. Emphasis on binary code analysis makes it particularly useful in cases where source is unavailable. It predicts contents of registers, recognizes procedures, API calls, switches, tables, constants and strings, locates routines from object files and libraries, allows custom labels and comments in disassembled code, writes patches back to executable file and more. 📺
Nir Sofer's System Tools
last update: 2026.09.10
