Yes, both Corebook and KeywordCaddy offer a Free Trial.
Corebook is designed for Large Enterprises, Medium Business and Small Business.
KeywordCaddy is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Corebook Starts at $99/Month when Billed Yearly whereas for KeywordCaddy Starts at $10.83/Month when Billed Yearly.
Some top alternatives to Corebook includes Branding Guide, Brandy, BrandStencil, SystemFlow, Core Studio, Qualified, Workvivo, Standerd, 1Brand, Baseline and ZeBrand.
Some top alternatives to KeywordCaddy includes SEO PowerSuite, SoloSEO, TheCompleteSEO, Robinize, Qualified, Workvivo, Dot seo tools, SEOcrawl and IFTTT.