Open Access Electronic Resources are also playing an important role in facilitating access. This study highlights the importance of online open access E-Newsletters with their facilities and features. Last one decade has witnessed a great boom in scholarly E-Information, which in addition to making great impact, has generated enormous debate among researchers and information professionals. The criteria for evaluation of open access E-Newsletters analyzed and list of open access E-Newsletters with their websites and bibliographic details are provided. Author tried to give a detailed introduction and evaluation to Open access online E-Newsletters regarding its scope, coverage, authority, arrangement, treatment, and other features. While doing this exercise, author also tried to bring out some of the significant and useful details of open access online E-Newsletters to evaluate the pattern, scope subject coverage, back files, full text, abstract and to determine type of documents available in these E-Newsletters.