Use the links below to download Apache cTAKES from one of our mirrors. It is good practice to verify the integrity of the distribution files, using the signatures and checksums listed in the signatures column as asc, md5, or sha1.

Only the current recommended releases are available on the main distribution site and its mirrors. Older releases are available from the archive download site.

cTAKES is distributed as both source and binary (ready-to-use) packages. These are available in zip and tar.gz formats.

Latest Official Release

Apache cTAKES 3.2.1

Use the User or Developer 3.2 Install Guide to direct you through the installation process for 3.2.1.

If the current mirror returns an error, select another:

You may also consult the complete list of mirrors.

File Signatures
apache-ctakes-3.2.1-bin.tar.gz md5 sha1 asc md5 sha1 asc
apache-ctakes-3.2.1-src.tar.gz md5 sha1 asc md5 sha1 asc

Note: The tar.gz archives contain file names longer than 100 characters and have been created using GNU tar extensions. It must be untarred with a GNU compatible version of tar.


Resources are required to run most of cTAKES. They are available for download from SourceForge:

Please download, unzip and add/merge the contents to the existing resources directory. Follow the User or Developer Install Guide to direct you through the installation process.

Release Notes and News

Verifying Signatures

The md5, sha1 and asc files are signature files and can be used to verify the integrity of the downloaded distribution package.

Use the following commands to verify the integrity:

It might be necessary to import the KEYS file file to verify the integrity of the asc files.

That can be done with:

More information about release signing and verifying signatures can be found here.

Previous Releases

The following can be found on the Apache cTAKES archives page.

Releases prior to 3.0 are documented on the NIH wiki.

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