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CrypTool 2 is open source. Anyone interested in adding functionality is welcome to do so. CrypTool 2 is based on the latest .NET Framework (currently .NET 4.0) and has a pure-plugin architecture, which makes it very easy for new volunteers to develop additional features.
This page is an archive of all current builds of CrypTool 2.
The builds run on 32 and 64 Bit Windows. Please note that you need the Microsoft .NET Framework 4.7.1 to run CrypTool 2.
No admin rights are needed for the installation.
Each build is available as an .exe installer and as a compressed zip archive. Both have an online update mechanism. The .exe installer supports registration of start menu entry, desktop link and explorer file type, but does not support more than one .exe installation. If in doubt, use the .exe installer.


Stable versions and releases

The most recent release version of CrypTool 2 is Setup CrypTool 2.1 (Stable Build 7356.1). It and can be downloaded here.

Nightly Builds

Nightly builds are compiled every night based on the most current version of the source code checked into the SVN repository.
Please be aware that these builds are work in progress. They are by no means guaranteed to be stable, and they may contain experimental features that are not yet fully functional.
CrypTool 2.1 (Nightly Build 7963.1) - December-12-2018 01:18:50 - 137.806.910 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 7963.1).exe
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CrypTool 2.1 (Nightly Build 7963.1).zip
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CrypTool 2.1 (Nightly Build 7958.1) - December-11-2018 01:19:02 - 137.806.450 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 7958.1).exe
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CrypTool 2.1 (Nightly Build 7958.1).zip
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CrypTool 2.1 (Nightly Build 7949.1) - December-08-2018 01:19:26 - 137.825.996 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 7949.1).exe
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CrypTool 2.1 (Nightly Build 7949.1).zip
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CrypTool 2.1 (Nightly Build 7946.1) - December-07-2018 01:19:42 - 137.825.822 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 7946.1).exe
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CrypTool 2.1 (Nightly Build 7946.1).zip
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CrypTool 2.1 (Nightly Build 7939.1) - December-06-2018 01:18:51 - 137.825.505 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 7939.1).exe
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CrypTool 2.1 (Nightly Build 7939.1).zip
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CrypTool 2.1 (Nightly Build 7930.1) - December-05-2018 01:19:27 - 137.823.511 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 7930.1).exe
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CrypTool 2.1 (Nightly Build 7930.1).zip
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CrypTool 2.1 (Nightly Build 7926.1) - December-04-2018 01:38:36 - 137.825.580 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 7926.1).exe
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CrypTool 2.1 (Nightly Build 7926.1).zip
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CrypTool 2.1 (Nightly Build 7911.1) - December-01-2018 01:20:12 - 137.786.534 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 7911.1).exe
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CrypTool 2.1 (Nightly Build 7911.1).zip
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CrypTool 2.1 (Nightly Build 7910.1) - November-30-2018 17:52:03 - 137.788.131 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 7910.1).exe
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CrypTool 2.1 (Nightly Build 7910.1).zip
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CrypTool 2.1 (Nightly Build 7907.1) - November-30-2018 01:19:21 - 137.786.182 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 7907.1).exe
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CrypTool 2.1 (Nightly Build 7907.1).zip
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