To install tangle, run this command in your terminal:
$ pip install tangle
This is the preferred method to install tangle, as it will always install the most recent stable release.
If you don't have pip installed, this Python installation guide can guide you through the process.
The sources for tangle can be downloaded from the Github repo.
You can either clone the public repository:
$ git clone git://github.com/fifman/tangle
Or download the tarball:
$ curl -OL https://github.com/fifman/tangle/tarball/master
Once you have a copy of the source, you can install it with:
$ python setup.py install