This Finpip overview summarizes IC Markets as commonly marketed to retail traders (founded 2007; HQ: Sydney, Australia). Typical platforms include MetaTrader 4, MetaTrader 5, cTrader.
Regulatory snapshot (not legal advice): ASIC (Australia); CySEC (EU); FSA (Seychelles) and other entities; product set depends on residence
Official website: https://www.icmarkets.com/. Confirm licence numbers, product availability, and costs there before funding an account.