1. Pro Rank Tracker: https://proranktracker.com/
    • Track unlimited URLs.
    • Track 50 terms (free account).
    • Paid accounts allow you to track more terms.
  2. Serp Foxhttp://www.serpfox.com/
    • Track unlimited URLS
    • Track 10 terms (free account)
    • Paid accounts allow you to track more terms.
    • Nicer visual interface than Pro Rank Tracker, but more expensive.
  3. Source Hunterhttp://sourcehunter.org/
    • No Free accounts
    • Finds keywords you rank for, that you were unaware of.
    • Plans start from US$9/mth
  4. RankTrackrhttp://ranktrackr.net/
    • No Free accounts.
    • Plans start from US$17.60/mth
  5. Rank Watch: http://www.rankwatch.com/
    • No Free accounts.
    • Plans start from US$29/mth

If this post raised some questions about your business, your business technology, or your website, please feel free to ask me a question.