There are several teams that are interested in him, though there aren't official confirmations from anyone. But a league source did tell the Nets Daily that Barbosa said:
“We are talking to a few teams, among them, the Phoenix Suns, who I have a professional history with...have lived there; with the Brooklyn Nets, who actually pursued us the hardest; and with the Los Angeles Lakers — They're a good team with the personnel they have. Also,Steve Nash (who played with Barbosa in PHX) sent me a text. He wants me to come to LA as soon as possible. When I was at the Olympics this guy (Nash?) came at me strongly, but then they signed Jodie Meeks and I haven’t talked much to them since then. They have a lot of point guards, and if they signed me, they would have to get rid of one. It’s early. I have to wait.”
Barbosa would be great on the Lakers as constructed. He'd be a solid bench addition, which is what they need. The current roster has decent players coming off the bench at that position in Chris Duhon, but to have Barbosa would give the Lakers more stability.
He would likely have to sign for the veterans minimum, which would be a huge pay cut after his $7.6 million last year, but since he has no rings, it may be worth it to him.