Currently there are draft versions of the codec written in
C99, Go, Python3 and Tcl.

You can obtain releases source code prepared tarballs on
=> http://www.keks.cypherpunks.su/

You *have to* verify downloaded tarballs authenticity to be sure that
you retrieved trusted and untampered software.

Metalink4 file contains its OpenSSH signature.
=> PUBKEY-SSH.pub
=> PUBKEY-SSH.pub.asc
=> OpenSSH
=> GnuPG
=> Metalink4

[cm/signed/] .sig file can be verified with:
=> PUBKEY-CM.pub
=> PUBKEY-CM.pub.asc

    $ cat keks-$version.tar.zst.sig keks-$version.tar.zst |
        cmsigtool -v -d 4<PUBKEY-CM.pub

You can obtain development source code with:
    git clone git://git.cypherpunks.su/keks.git

You can also use following URLs instead:
anongit@master.git.stargrave.org:cypherpunks.su/keks.git
anongit@slave.git.stargrave.org:cypherpunks.su/keks.git
anongit@master.git.cypherpunks.su:cypherpunks.su/keks.git
anongit@slave.git.cypherpunks.su:cypherpunks.su/keks.git
git://git.stargrave.org/keks.git
git://y.git.stargrave.org/keks.git
git://y.git.cypherpunks.su/keks.git

Also there is Yggdrasil accessible address:
=> http://y.www.keks.cypherpunks.su/
=> Yggdrasil