Software Judge site pays you to write reviews of software and online games. I know many people look into this web site to gain insight before buying a software or a game.
I read in their website that they pay up to $50 provided you write top quality review. The minimum payout is $200. They pay through Western Union only.
Software judge is very popular among freelance writers because the pay rate is good and the job is interesting. You get to know so many software that are applied in myriad industries.
You don't have to give a plug for the software you are reviewing; you only need to write your honest opinion.