Bitrix24 is the world's only free web form builder that comes with a built in CRM. That means that you can start email and telemarketing campaigns as soon as the form is filled out. Because Bitrix24 comes with a full featured CRM, you can easily distribute new clients between different agents, track conversion rates, issue invoices and see how many deals you have in your pipeline.
Our free form builder comes with unlimited submissions and lets you have multiple multiple users managing forms. The forms are entirely customizable, support online payments and product catalog, can be embedded in your website or hosted at for free at Bitrix24.com. Yes, you don't even have to have a website to use Bitrix24 forms.
Contact forms, quote requests, support forms, feedback and idea suggestions, online ordering, booking and reservation forms are all supported. All fields are unlimited and support field rules and post-submit actions, like redirect.
Bitrix24 CRM manual is available here.
If you are interested in buying self-hosted editions of Bitrix24, which come with API, CMS and source code, can be easily customized and integrated with other tools, please download a trial version here.