Jaaxy – Jaaxy is the Worlds Most Advanced Keyword Tool Built for Internet Marketers. Use Jaaxy to Reveal the Hottest and Most Profitable Keywords Online. Pricing starts at $19 per month.
LongTail Pro – Long Tail Pro is a powerful keyword research software. Long Tail Pro allows the user to generate hundreds or thousands of unique “Long Tail” keywords in a matter of minutes based on 1 single root keyword or multiple root keywords at once. Pricing starts at $25 per month.