Tools

Text Editor

Notepad++ (also in PortableApps)

https://notepad-plus-plus.org/

Geany (also in PortableApps)

https://www.geany.org/

Diff

Meld

https://meldmerge.org/

WinMerge

https://winmerge.org/?lang=en

icdiff

https://github.com/jeffkaufman/icdiff

Hex Editor

ImHex

https://imhex.werwolv.net/

mirkes Tiny Hexer

https://www.portablefreeware.com/forums/viewtopic.php?t=20657

https://www.chip.de/downloads/Tiny-Hexer_13014623.html

Internet / Network / X-terminal

WinSCP (also in PortableApps)

https://winscp.net/

MobaXterm

https://mobaxterm.mobatek.net/

Other

PortableApps

https://portableapps.com/

Process Explorer (also in PortableApps)

https://learn.microsoft.com/en-us/sysinternals/downloads/process-explorer

see https://learn.microsoft.com/de-de/sysinternals/

DLL Dependencies

https://github.com/lucasg/Dependencies

ResEdit

https://www.majorgeeks.com/files/details/resedit.html