Thompson's group $F$ is totally ordered. See [here][1] for a description of all possible bi-orderings. Indeed, all diagram groups are totally orderable (see [here][2]). The pure braided Thompson group $BF$ also bi-orderable (see [here][3]). [1]: https://arxiv.org/pdf/0808.1688.pdf [2]: https://arxiv.org/pdf/math/0305153v1.pdf [3]: http://www-ma4.upc.edu/~burillo/Papers/biorder.pdf