Online SEO software that automates your SEO efforts,
including rank tracking and link building.
Free forever. No credit card required!
"SheerSEO gathers all of your SEO information in one place. The thing I like most about this tool is that it just keeps on giving; I expected to find keyword rank checking reporting but I was very surprised and delighted to find back link analysis, a directory submission feature, and tweet tracking (!)."
One of the best examples I've come across of a service that fills a specific niche well is SheerSEO. It does a great job performing on a relatively simple yet niggling set of tasks. Such tasks are essential to your initial SEO analysis and ongoing optimization
"I would recommend you take a look at SheerSEO to track and retain historical data for your clients' search engine rankings."
We use SheerSEO to track our target keywords. There are tonnes of features; it's simple to use, cheaper than the competition, and constantly improving. Even the free version gives valuable data and suggested improvements.