My favorites from: MajorGeeks.com

7-Zip File archiver
Adobe Acrobat Reader DC View & print .PDFs, fill in forms
AnyDesk Remote desktop doesn't require firewall changes
AOEMI Partition Assistant Partition manager
Bat2Exe Convert .Bat to .Exe to obfuscate. Portable.
Brave More secure browser for Windows, Linux, Android, Mac.
Calibre Organize/view ebooks, Mobi, Epub
CCleaner Slim Clean drive, registry, startup. Find dupes, uninstall apps.
CheckWindowsGenuine Portable Shows if your Windows license is genuine
Clonezilla Bare metal disk imager to smaller drive
CPU-Z Info about CPU, motherboard, BIOS, graphics, memory
CurrPorts List connections of all open TCP/IP & UDP ports. Nirsoft. Portable.
Damn Small Linux Live Debain OS takes 50mb drive space
DNSDataView Shows DNS records. Nirsoft. Portable.
Dual Key Remap Remap any key to any other two keys. Portable
EaseUS Partition Master Home Partition manager
EaseUS Todo Backup Free Partition image backup
Exif Remover Remove metadata from photos. Supports command line for batch
ExifTool Command line app to read/edit metadata in photos
ExperienceIndexOK Windowns 8-10 performance benchmark. Portable
FileZilla Server FTP Server
ForceDelete Portable Unlock files or folders that are in use
Free Youtube Downloader
Ghostery for Chrome AddIn for Chrome, Firefox, Edge, Opera, Safari & Android to expose & block web trackers
Glary Utilities Portable Portable. Clean/defrag drive or registry. Manage startup. Uninstall apps
Google Chrome Portable Portable web browser
Hasleo Clone HD or partition. Also boot into UEFI from Windows
HDClone Free Copy drive to larger drive
Hiren's BootCD PE Rescue disk ISO. Partition, disk image, data recovery, admin, keys, zip, compare, edit, antivirus
Icecream Video Editor Timeline, transitions, effects, trim, audio, titles. See limitations
IPNeighborsView See IPs and ID Mac Addresses on network. Nirsoft. Portable
IPNetInfo Extract IP and info from headers of batch of emails. Nirsoft. Portable
LibreOffice Productivity Suite Portable word processor, spreadsheet, presentation, draw and database
LiveTCPUDPWatch Watch ports like CPorts. Nirsoft. Portable
LogyxPack 150+ logic games. Portable
Macrium Reflect Free Clone or image drive or partition
Macrorit Disk Partition Free Partition Manager
Mail PassView Recover stored passwords from Outlook, Outlook Express, Windows Mail, Thunderbird, Hotmail, Gmail, Yahoo. Nirsoft. Portable.
Major Geeks Windows Tweaks See here for details
Malwarebytes Malware scanner. Also on Hiren's Boot Disk for offline scan
MicroSIP VOIP. Portable
Mozilla Thunderbird Email client for Linux, Windows, Mac. Portable available.
MP3Tag Edit audio metadata tags
Nitro PDF Reader View PDFs and fill in forms
Nmap Security Scanner Scan network to map hosts
Notepad++ Text editor for programmers.. Supports columns, regular expressions. Portable.
O&O ShutUp10 Set privacy settings. Import/Export to file. Portable. Ren OOShutup10.txt to .cfg
Opera Portable Portalbe browser
Ophcrack Extracts passwords from SAM files. Portable
PDFStitcher combines multi-page PDF into one page
PDFTK Builder Split, combine, rotate, watermark, encrypt PDFs from command line. Portable
PHP Web scripting language to replace ASP
PID Key Checker Validate Windows and Office license keys are genuine. Portable
ProduKey Portable Extracts Windows, Office and other activation keys. Portable. Flagged by most virus scanners
Property System View Change File Properties
ProtonVPN Change IP address. Free servers in US, NL, JP
Raspberry Pi OS
RegistryChangesView Save registry, install, save again and compare registry changes. Nirsoft. Portable
Rescuezilla ISO boots to simplify Clonezilla drive backup
Rufus Make bootable flash drive from one ISO. Download Windows images. UEFI. Portable
RustDesk Remote desktop like TeamViewer. Open source for Windows, Linux, Mac, Android
Share-X Screen shots larger than your screen
Slitheris Network Scanner IP & Mac address, manufacturer, age, boot time. Portable
SQLite Command line database
Sumatra PDF Open source PDF viewer. Reads Epub. Portable
SZ PortScan Portable port scanner identifies network cards on LAN and share names
TeamViewer Remote desktop. Use run once.
Ventoy Make bootable flash drive. Copy multiple ISOs. Non-destructive update. UEFI. Portable
Veracrypt Portable Disk encryption opens TrueCrypt volumes
VidCutter Cut and join videos
VirtualBox Run multiple operating systems in virtual machines
VLC Media Player Portable Play/convert multiple audio / video formats.
VNC Viewer 64-Bit Remote desktop for internal network or static IP. Portable
Vovsoft OCR Convert scanned doc or PDF to text. Portable
WebBrowserPassViewer Portable Recover passwords stored in Firefox, IE, Chrome & Opera. Nirsoft. Portable
WhoisThisDomain Retrieve WHOIS record of a domain. Nirsoft. Portable
Windows 10 ISO Download Tool Download Windows ISOs. Portable
Win32_Console_Toolbox Command Line Touch file date, FileType ID 16bit apps & 6 more
Windows and Office Genuine ISO Verifier Verify ISO
Windows Key Viewer Extract Windows Product Key
Windows10Debloater Remove bloatware from Windows
Windows 11 Compatibility Checker See if PC can run Windows 11
WinHTTrack Download website to local directory
WinKey Portable Extract Windows product key. Not flagged by Windows Defender
WinKey Finder Portable. Extract Windows and Office product keys. Not flagged by Windows Defender
WinMerge Compare differences in two files or merge
WinScan2PDF Portable Scanner software to scan as PDF
WinSCP Portable SFTP/FTP client
WinTricks EXE with many Windows tricks and tips
WirelessKeyView Recover stored WiFi passwords. Nirsoft. Portable
WordPress Create website. Themes and W3C standards
Other:
Easy Thumbnails Resize images to thumbnails in batch from command line or window.
Chirp Progam many amateur radios










Command Prompt Commands