Absolutely. The main other option is known as Shared Ownership.
Shared Ownership is where you purchase between 25 – 75% of the value of a property, and you then pay monthly rent directly to the Housing Association on the proportion you do not buy. This is very important to consider when figuring out your monthly budget, and mortgage lenders will also take this rental payment as a monthly commitment which can impact affordability.
You are able to purchase an additional stake, or the remainder of the whole property, in the future (this is known as ‘staircasing’).
The other popular option in the past was known as Shared Equity, however this is now the term often used to describe the HTB Equity Loan as outlined above. Some property developers might offer their own shared equity schemes (which work similar to HTB), however these are quite rare and the exact details would need to be checked very carefully by a solicitor.