This Finpip overview summarizes FXCM as commonly marketed to retail traders (founded 1999; HQ: London, United Kingdom). Typical platforms include Trading Station, MetaTrader 4, NinjaTrader.
Regulatory snapshot (not legal advice): FCA; ASIC; CySEC; FSCA; IIROC; global Stratos group ownership post-2015
Official website: https://www.fxcm.com/. Confirm licence numbers, product availability, and costs there before funding an account.