multi-tenant saas3 ai chatbot2 chat assistant platform2 conversational support2 customer support saas2 helpdesk saas2 knowledge base chat2 lead capture chatbot2 live chat software2 ai customer support1 ai image generator1 ai powered assistant1 business chat platform1 chatbot admin panel1 chatbot app1 chatbot saas1 chatbot subscription system1 chatgpt business platform1 chatgpt saas1 chatgpt with payments1 faq automation1 flutter chatbot app1 flutter gpt app1 gpt web app1 next.js saas starter kit1 openai chatbot1 saas starter kit1 startup saas kit1 subscription chatbot1 subscription saas template1