Searching for a is a race to the bottom. The software you find will likely be a virus, a scam, or a broken version that crashes on Day 3. Your time is valuable. The hours spent trying to patch a .dll file or turn off your firewall to stop the license check are hours you could have spent designing.
If you are currently using the trial or an academic key, here are the essential features to look at: bricscad key free
“Please use the official BricsCAD free trial, student/educational license, or an open-source CAD alternative; using pirated keys is illegal and unsafe.” Searching for a is a race to the bottom
If the trial expires and you cannot afford the full BricsCAD Pro license, consider these options: The hours spent trying to patch a
Getting Started with BricsCAD®: Trial and Licensing Options