Blue Letter Bible - "Blue Letter Bible provides powerful tools for an in-depth study of God's Word through our free online reference library, with study tools that are grounded in the historical, conservative Christian faith." Comes out of a general Evangelical perspective. Has a variety of word-study tools, including interlinear, concordances, etc. Does not have the NAB-RE available.

Bible Gateway - Its "simple yet advanced searching capabilities allow you to quickly find and compare particular passages in multiple Bible translations based on the keywords, phrases, topics, or Scripture references you have in mind. ...  The original multilingual searchable Bible website, Bible Gateway was started in 1993 by Nick Hengeveld, a student at Calvin College in Grand Rapids, MI."  It is now part of Zondervan and HarperCollins publishing.  There are also devotionals and blog article available.  The newest iteration may require registration to take advantage of all the features.

Bible Odyssey - "As a public outreach of the Society of Biblical Literature, Bible Odyssey’s mission is to inform the general public about the content of the Bible and the critical approaches to it. The scholars that contribute to Bible Odyssey are socially, geographically, and ethnically diverse, and the site is not affiliated with any religious or political organization. It does not advocate for any particular perspective or reading; rather, Bible Odyssey seeks to help the public appreciate the different viewpoints within the Bible and understand the diversity of biblical interpretations. The purpose of the website is to draw the person on the street, or the one in the pew, into the fascinating world of scholarly investigation into the Bible and the communities who value it." (from the website) 

Ancient World Mapping Center - "The Ancient World Mapping Center is an interdisciplinary research center at the University of North Carolina at Chapel Hill."

Archaeological Survey of Israel - The sites documented in the Archaeological Survey of Israel are published on the website where they are displayed in survey squares of 100 sq km (10 × 10 km). The list of maps is presented below in alphabetic order, according to their names and numbers as recorded in Yalquṭ Ha-Pirsumim. The survey maps can be seen on the right side of the screen against the background of an aerial photograph. The sites (marked with yellow dots) can be accessed by zooming in on the screen and a description of them will appear by clicking on the dots. The introduction to each map and search options are also displayed.

Ancient World Mapping Center Interactive - "Built using ArcGIS Online, AWMC Interactive allows users to view geospatial data from the Mapping Center, the Pleiades Gazetteer, and other partners without the need for specialized GIS software or training. The current version of this software is a prototype, released for beta testing in February 2024–AWMC hopes to gather feedback and improve the program before launching a fuller version."