3Sigma CRM is described as 'No.1 Free Mobile CRM App for small Businesses and Startups' and is a CRM System in the category. There are more than 10 alternatives to 3Sigma CRM for a variety of platforms, including Online / Web-based, iPhone, Android, Windows and iPad. The best alternative is Crust CRM, which is both free and Open Source. Other great apps like 3Sigma CRM are Mautic (Freemium, Open Source), Corteza CRM (Free, Open Source), Zoho CRM (Freemium) and Salesforce (Paid).
Crust CRM is a 100% free and open-source CRM. It's fully featured and includes rich dashboards, automation rules (workflows), collaborative team messaging and much more. You can customise your CRM with the included low-code development platform.
Mautic is marketing automation software (email, social, & more). Install on your own website or create a free hosted account.
The simple 3-step setup process takes less than 5 minutes and you'll be ready to reclaim control of your marketing.
Corteza CRM is an advanced Free and Open Source Customer Relationship Management platform. Feature rich, a cloud scalable architecture and entirely modular, Corteza CRM allows any organisation to create the CRM environment tailored to their context.
ICTCRM is the modern Customer Relationship Management (CRM) software system for running any type of Business. It bundles Unified Communications. It features complete business process automation and integration of communication technologies.
Zendo is a Client Portal software that lets businesses handle customer requests in one place. Zendo helps sell bespoke services online; saves time by reducing context switching, manual and repetitive tasks, or managing customer communications.
Creatio Sales sales is a cloud based CRM that drives efficient sales processes and enables total control over the complete customer journey - from lead generation to loyal repeat sales. Employ out-of-the-box processes to manage the entire sales cycle.
Salesmate is great for a sales team that is trying to take the lead and close it faster by enabling faster communication and automation. Salesmate is available as an application for IOS and Andriod making it easy to grow your prospects while you are networking at events.