thingsaurus
This is a 'thesaurus for things' or similarity engine: results show things that have something in common with what you enter. The more stars, the more things in common! You can use it for research, recommendations or simply to explore ideas and related subjects.
Here are your results for 4DOS...
Stars indicate closer matches.
COMMAND.COM 
- Hamilton C shell
- Fractint
- Microsoft Works
- Print Magic
- Quattro Pro
- Windows 2.1
- DOSPLUS.COM
- FreeCom
- FreeCOM
- NDOS
- 4NT (shell)
- Cmd.exe
- Pash (software)
- PowerShell
- Recovery Console
- Take Command Console
- A/UX
- Acorn C/C++
- Adobe Photoshop
- A/ROSE
- Automated Tropical Cyclone Forecasting System
- Derive (computer algebra system)
- Dr Solomon's Antivirus
- DR-DOS
- EAGLE (program)
- Finale (scorewriter)
- Adobe FreeHand
- GENESIS (software)
- GeneXus
- Hangul (word processor)
- HeliOS
- HyperStudio
- IBM i
- IBM Lotus Word Pro
- IRC
- IRIX
- LHA (file format)
- McAfee VirusScan
- PowerAnimator
- Proteus Design Suite
- QText
- RISC iX
- SISNE plus
- Softimage 3D
- SpartaDOS X
- System 6
- TADS
- Trip-a-Tron
- Wolfram Mathematica
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