Zoho
Zoho CRM is a leading free CRM that enables you to manage your customer relationships and sales activities without spending a dime. As the free edition isn't just a trial offer, you can keep using it forever and won't be limited as to which features you use. Zoho CRM's free edition supports up to 10 users, which is more than many other free CRM products on the market. The entire system is based online and your data is stored securely on Zoho's servers, giving you access to your information from any device without having to download and install any special software. All of the features you would expect from a powerful CRM are there. You can use it to manage your contacts, current customer accounts, leads and prospects, as well as share information on tasks and collaborate efficiently on any project with the rest of your team.