Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
Netpeak Spider
Deep crawl and on-page analysis supports technical investigation, though it is not a broad market or backlink research suite.
The official Spider page documents crawl analysis, segmentation, scraping, and issue detection: https://netpeaksoftware.com/spider/
Raven Tools
Broad traditional SEO research across keywords, competitors, backlinks and site audits, but no evidence of first-party content research or AI research.
Official SEO tools page says Raven covers site audits, keyword/competitor research, backlink analysis and rank tracking, and uses Moz, Majestic, Google, Bing and Open Calais: https://raventools.com/seo-tools/