Here is Ramstedts list of free programs:
Network
WireShark(Protocol analyzer)
Nmap (Utility for network discovery – also open souce)
Angry IP Scanner
Nagios Core – Nagios (monitor you network)
Tools Collection
Sysinternals (best collection of IT tools)
Graphics
Paint.net
Gimp
Irfanview
Greenshot (Best freeware program for screenshots)
Video editing
DaVinci Resolve 18
3D creation
Players
VLC Player
FTP
Filezilla
Maintenance
CPU-Z (Specs of the CPU)
HW-Monitor(Voltages, temperatures and fans speed monitoring)
CCleaner
Recuva (recover deleted files)
Hashtab (Windows hash calculator)
Antivirus
AVG free
Malwarebytes
Encryption
Veracrypt (if you don’t have bitlocker)
Truekrypt
File
Advanced Renamer (rename many files)
Rufus (make bootable USB Sticks)
SyncBack Free (Good to sync data from A to B and it is free also for commercial use)
Imaging/Kloning
Macrium Reflection
Clonezilla
Virtualization
VirtualBox (freeware VM from Oracle)
Music editor
Audacity
Text Editor
Notepad++
Text and numbers
LibriOffice
Evernote – Remember everything.
FreeMind (make mind maps)
Certificate
KeyStore Explorer – Download (keystore-explorer.org)
VPN
Proton
Div
Index (Everything)
Version 2.05 (December 2025)