HubSpot is described as 'Marketing automation, integrated sales, free CRM tool, AI content writer, and website builder streamline customer management and business growth' and is a very popular CRM system in the business & commerce category. There are more than 100 alternatives to HubSpot for a variety of platforms, including Web-based, SaaS, Android, iPhone and iPad apps. The best HubSpot alternative is Mailchimp, which is free. Other great apps like HubSpot are Salesforce, FreeScout, Zoho CRM and Bitrix24.