Some useful softwares for electronics engineers

Dear friends,
Here is the list of basic software's for for Electronics Engineers...If you have any other important tool, please post here...

1.Resistance combination calculator
https://www.pmillett.com/rescalc.htm
2.free Gerber viewer
https://gerbv.sourceforge.net/
3.IR Protocol analyzer
https://ostan.cz/IR_protocol_analyzer/
4.Moving Message Display code generator [Translate the page]
https://www.ccsinfo.com/forum/viewtopic.php?t=46373
https://www.persiangig.com/pages/do...i.persiangig.com/Programs/MXCODER/MXCODER.zip
5.Animated circuit simulator
https://www.falstad.com/circuit/
6.SMPS Design
https://www.powerint.com/design-support/pi-expert-design-software
7.Analog simulation
https://www.linear.com/designtools/software/#LTspice
8.Micro controller simulation
https://www.labcenter.com/index.cfm
9.Toroid inductor winding
See attachment
10.Active filter design
https://www.ti.com/tool/filterpro
11.Hyper terminal for windows7 & Vista
See attachment [Just save anywhere & run hyperterm]
12.GPS data analyzer
https://www.dpcav.com/xcart/LOCOSYS-LS20033-5Hz-GPS-Engine-Module.html
13. PCB 3D component step file viewer
https://www.steptools.com/products/stviewer/
14.Serial port monitor
https://www.serial-port-monitor.com/
15.PCB designing.
Eagle
Altium
Mentor Graphics
Cadence Allegro
Zuken
Orcad
Proteus
Protel
16.PC based signal generator
https://www.dxzone.com/catalog/Software/Signal_Generator/
16.Bluetooth Hyperterminal
https://www.sena.com/products/industrial_bluetooth/manage_by_android_phone.php
https://www.youtube.com/watch?v=1etZ7D1dnZA
17.SMPS Transformer Calculation Tool
See attachment [ExcellentIT]
18. PCB Design Tool Kit
https://www.saturnpcb.com/pcb_toolkit.htm

Some useful software's for PC
1.Search software
https://www.voidtools.com/
2.My todo list Gadget
https://todo.dj50.ro/
3.Unlocker
https://www.filehippo.com/download_unlocker/
4.print to pdf converter
https://www.dopdf.com/
5.Double killer
https://www.bigbangenterprises.de/en/doublekiller/
6.Ccleaner
https://www.piriform.com/ccleaner
7.Auslogic Disk Defrag
8.Internet Download Manager
9.Malwarebytes
10.Nero
11.PowerISO
12.Teamviewer
13.Winrar
14.7Zip
15.Adobe reader
16.DirectX-11