Yes, both Ludwig and WritingAssistant offer a Free Trial.
Ludwig is designed for Individuals, Medium Business and Small Business.
WritingAssistant is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Ludwig Starts at $3.99/Month when Billed Yearly whereas for WritingAssistant Starts at $1.99/Month.
Some top alternatives to Ludwig includes Gramara, ProWritingAid, Linguix, Grammarly Business, WritingAssistant, Writer, WordAi, Essaybot, Ginger and RytersBlock.
Some top alternatives to WritingAssistant includes ProWritingAid, Linguix, Writer, WriteMe.ai, Ginger, Enwrite, PerfectEssayWriter.ai and Easy-Peasy.AI.