There are several options for collecting forms online without watermarks, and which one is best for you will depend on your specific needs and requirements. Here are a few options that you might want to consider: 

 Google Forms: This is a free service from Google that allows you to create and share forms for gathering information from others. Google Forms does not include any watermarks and allows you to create customizable forms with various field types, including text, multiple choice, and dropdown menus. You can also view responses in real-time and generate charts and graphs to analyze the data. 

 Typeform: This is a paid service that allows you to create interactive and visually appealing forms for collecting information. Typeform offers a wide range of customization options and includes features like logic jump, which allows you to show or hide certain questions based on how the user responds to previous questions. You can also easily export the data collected through your forms and analyze it using third-party tools. 
 JotForm: This is a paid service that offers a wide range of form-building tools and features, including the ability to create custom forms, accept payments, and integrate with other applications. JotForm also offers various templates and themes to help you create visually appealing forms. 

 Wufoo: This is a paid service that allows you to create custom forms and surveys with a variety of field types and customization options. Wufoo also includes features like file uploads, signature fields, and the ability to integrate with other applications. 

 Paperform: This is a paid service that allows you to create custom forms and surveys with a drag-and-drop editor. Paperform offers a wide range of customization options and includes features like the ability to accept payments and integrate with other applications. It also offers templates and themes to help you create visually appealing forms. 

 Formstack: This is a paid service that allows you to create custom forms and surveys with a variety of field types and customization options. Formstack also includes features like file uploads, signature fields, and the ability to integrate with other applications. A free trial is available, but to continue using the service after the trial period, you will need to upgrade to a paid plan. 

 Zoho Forms: This is a free service that allows you to create custom forms and surveys with a variety of field types and customization options. Zoho Forms also includes features like file uploads, signature fields, and the ability to integrate with other applications. However, the free version has some limitations, such as a limited number of responses and the inclusion of a Zoho Forms watermark on the form. 

 Formsite: This is a paid service that allows you to create custom forms and surveys with a variety of field types and customization options. Formsite also includes features like file uploads, signature fields, and the ability to integrate with other applications. A free trial is available, but to continue using the service after the trial period, you will need to upgrade to a paid plan. 

 Forms.gov: This is a free service from the US government that allows you to create custom forms and surveys with a variety of field types and customization options. Forms.gov also includes features like file uploads, signature fields, and the ability to integrate with other applications. 

 Joomla: This is a free, open-source content management system that allows you to create custom forms and surveys with a variety of field types and customization options. Joomla includes a built-in form builder and also allows you to install extensions to add additional features and functionality to your forms. 
 FormAssembly: This is a free service that allows you to create custom forms and surveys with a variety of field types and customization options. FormAssembly includes features like file uploads, signature fields, and the ability to integrate with other applications. However, the free version has some limitations, such as a limited number of responses and the inclusion of a FormAssembly watermark on the form.