You can open a free account with matrix.org.

Follow these instructions and you will be able to access the "[matrix]" system for free. "You get what you pay for!" You can start out with a free account and then switch to a paid account later:

1. Click: [ https://matrix.org/try-matrix/ ]
2. Click the "Install Element" button and then click the button that corresponds to the type of computer or phone that you have.
3. Ignore any information that appears about choosing a provider; just choose matrix.org .
4. With your Element client open, click the "Parlor" link below to enter our room and introduce yourself.