If you are interested on trying Horizon, check this guide to get started:
https://medium.com/@Raf21/horizon-hz-a-how-to-guide-bda4e415819a

Online nodes:
Lfm.knotwork.com
Ufbsh.no-ip.org
73.8.240.113

Feel free to reach out in Horizon's discord for more help, if needed.
https://discord.gg/CG4n5MQ