Software as a service (SAAS) services featuring software for use by fitness and wellness coaches to access, analyze, and interpret client training and nutrition data; Software as a service (SAAS) services featuring software for use by fitness and wellness coaches to access, analyze, and interpret client fitness, habit, and wellness data; Software as a service (SAAS) services featuring software using artificial intelligence (AI) for analyzing client fitness and wellness data and generating responses to user queries via a conversational interface; Providing a website featuring resources, namely, non-downloadable software for generating, recommending, and updating training plans, nutrition guidance, and habit coaching based on client data; Providing a website featuring resources, namely, non-downloadable software for generating insights, summaries, and recommendations based on client data; Providing online non-downloadable virtual assistant software using artificial intelligence (AI) for automating and assisting coach-to-client communications, namely, drafting, summarizing, and generating messages, replies, and follow-ups, and providing recommended communication workflows; Providing online non-downloadable virtual assistant software using artificial intelligence (AI) for querying and retrieving client performance data through a conversational interface