Search Engine Colossus - Lists search engines and directories, organized by country and topic. Best Web Directories - Rankings and reviews of free and paid web directories. Manual submission service available. Great Directories - Lists and describes free, paid, article, niche and blog directories. Web Directory Reviews - Reviews of web directories based on various criteria. A blog, interviews and relevant articles are available as well. Web Directory List - Provides a list of general and niche directories. Users can review and rate the listed directories. Aviva's Strongest Directories - Provides a list of general web directories sorted by MOZ' Domain Authority. Comparison between web directories - A sortable table providing a comparison of directories based on Page Rank, mozRank, editorial discretion. Web Directory Forum - Web directories and directory scripts, search engines, and other related topics of interest are discussed here. Web-Directories.ws - A directory of directories of categorized niche and regional directories.