I researched 4 sites
Kelly’s Kindergarten http://www.kellyskindergarten.com/
In my option is very helpful. She has a link that can help you design your classroom, after adding the measurements and shapes of table and equipment you are able to verily move things around to see how they will fit in your classroom. Also within the origination section she also has classroom labels, book basket labels, schedule cards, tips and tricks for name tags, desk tags, lunch money and Large Center Signs.
The behavior management tools included explanation of behavior management system, individual behavior charts, rule charts (with pictures/icons) and behavior prompt cards.
There are also many activities like games, songs, poems, power points, and resources to obtain items at low or no cost.
The Cornerstone: http://thecornerstoneforteachers.com/
The author of this website has 11 year experience in a classroom. The author combines her blog with the free classroom management teacher resource pages. She has written a book as well as made a webinar that you can purchase on classroom management. There is also a free resource tab with idea, pictures of classroom set ups, as well as classroom management and organization ideas.
Chalk talk is a blog site is created by a practicing teacher will 14 years of experience. Chalk talk is blog that shares activities and tips with teachers. Although the site does not have classroom management idea it is helpful for ideas, Teachers also has links to other blogs written by teachers.
Teacher-vision: http://www.teachervision.fen.com/
Teacher-vision is a site that has lesson plans and resources for all grades. The website also has a tab for classroom management. There is even a section on working for parents that will help build relations with families.