I’ve quickly created this post to list the some of the tools I use when doing market research, promotion e.t.c.

Google Adwords: Keyword Tool – Check popular keywords and get suggestions on alternative keywords.
SubmitterBot: Submit your website to huge bunch of web directories.
Google Insights for Search: Check keywords searches based on location and other variables.
ValueMyWeb: Get a rough idea on your websites value based on popularity.
KeywordSpy: Check your competitors PPC keywords.
Google Planner: Check keywords search volumes, based on real searches.
Google Trends: See what people are searching for, now and in the past.
WordTracker: A good alternative to googles keyword tool.
NicheBot: Another good keyword tool.
Alexa: Provides a good insight into a website traffic rank, but also has some other useful features.