Best of History Web Sites aims to provide quick, convenient, and reliable access to the best history-oriented resources online in a wide range of categories and has been designed to benefit history teachers and their students; however, general history enthusiasts will benefit from the site as well. Ranked #1 by Google for history web sites, Best of History Web Sitesd receives upwards of 100,000 visitors per month.
Wolfram|Alpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.与其他搜索引擎不同，WolframAlpha其实是一个计算知识引擎，它真正的创新之处在于能够马上理解问题，并给出答案。它可以进行各种算术，还有数据分析，物理，艺术等等各个行业的查询。
全历史(Allhistory）以AI知识图谱为核心引擎，通过高度时空化、关联化数据的方式构造及展现数字人文内容，尤其是历史知识。让用户沉浸在纵横开阔、左图右史的（历史、人文、社科等）知识海洋中。
