The list seems to be outdated as it's about 4 years old
Some exchanges are no longer the same as they used to be, while others are now non-operational
For example, the following are all offline/non-operational at the moment
1. https://instaex.io
2. https://www.liquality.io
3. https://liquiditi.io
4. https://golightning.club/
5. https://ion.radar.tech/redshift#swap-assets
6. https://bitflash.club/
7. https://mercuriex.com/