llama.cpp
The open-source C/C++ engine for running local models, continuously updated.
Is it actually free? Free
Free under the MIT license. You build or download it yourself and run it from the command line or as a local server.
Pricing
Free and open source (MIT license).
Best for
Developers who want direct control over running models locally.
Not great for
Beginners who want a one-click app.

