There are lots of reviews on this forum of hosts that you buy and then add your own driver and LED of choice. For example,
https://budgetlightforum.com/t/-/11505
If you want to build your own again there is lots here on this forum. Another example,
https://budgetlightforum.com/t/-/13232
The search function on the top left hand side works very well as does the forum link.