There are many good websites out there for Planners and Schedulers, and here are some of the ones I visit often.
  1. Ron Winter Consulting LLC. This website has a good number of well researched articles on Planning & Scheduling written by Ron Winter, PSP. This site is one to bookmark
  2.  Hulett & Associates: The website of the No.1 authority in the world on Schedule Risk Analysis, Dr. David Hulett. His website offers a lot of free white paper which are a must read for anyone interested in Schedule Risk Analysis
  3. Mosaic Planning & Scheduling Page: This section of Mosaic website provides useful links to papers on key Planning & Scheduling principles, processes, practices, concepts, terms & methodologies
  4. Planning Planet: This website has a vibrant forum where you can ask questions and get answers from Planning Pros. Also provides benchmarks & norms as well as being the home to Guild of Project Controls
  5. Plan Academy Blog: This blog features well written Primavera P6 tutorials and tips
  6. Tensix Consulting Blog: This blog features articles on Enterprise Project Management & Earned Value Management as well tips on use of Primavera P6, Microsoft Project & Deltek Cobra
  7. Primavera Scheduling Blog: Another good blog solely dedicated to Primavera P6 tips & tricks
  8. Contextures: A site full of Microsoft Excel tips, tutorials, sample files and videos.