Ganzo G704 used to be one of the best deals, only $14 and free worldwide shipping. Now the price seems to have increased to $19. Being a ripoff of the Benchmade 14205 it's not a very ethical knife though.
The Sanrenmu 710 is $11 and is a great little knife for the price. It kind of mimics the lines of a Sebenza which annoys some people but it's just about impossible to mistake for one so I don't consider it a knockoff.
The Enlan EL-01 is $17 and like the 710, has got many good reviews from the forum across the pond. This is an original design, a tough liner lock flipper. They seem to like it over there.
Apart from that probably Opinel and Rough Rider.

The Sanrenmu 710 is $11 and is a great little knife for the price. It kind of mimics the lines of a Sebenza which annoys some people but it's just about impossible to mistake for one so I don't consider it a knockoff.

The Enlan EL-01 is $17 and like the 710, has got many good reviews from the forum across the pond. This is an original design, a tough liner lock flipper. They seem to like it over there.

Apart from that probably Opinel and Rough Rider.