Drag and drop website Builder

Hello everyone. I want you to build a drag and drop BROWSER based or .NET application based Drag and drop website builder that's based on bootstrap framework. My budget is $250 for this. The lower the better. Some features of the builder Drag and Drop Builder Browser-Based Builder Based on Bootstrap Latest(Bootstrap Framework V4 or V3. ) Bootstrap themes Built-in HTML code and Javascript editor Works even online. No server based webpage generation. Templates system All device-friendly design feature google-fonts USE Material Palette Colors, Fonts,and ICONS in the builder(Everywhere in the Built-in HTML Sections and themes. See [login to view URL] and [login to view URL]) Pre-styled themes Export/Import Templates Style Editor, Custom CSS, ability...etc A licensing system(to prevent piracy and check validity of purchase) Encoded Files, so that people can't copy and the builder files 60+ Built-in HTML Sections with royalty-free demo images(header, footer, content ready made templates) Shortcodes: Pricing Tables, Team, Call-to action boxes, Heading...etc which are included in 3.1 ICONS system(Material Design and awesome sets) Rows and Columns system with background color setting, parallax image, position adjusting. In a nutshell, there's the ability to change color, size, fonts, alignment, border radius, rows, icons, mobile friendly and every single feature Ability to Preview in browser Templates system After creating the webpage, ability to export to FTP or save to local disk. It's exactly as same as BLOCKS Website Builder: [login to view URL] (A live demo of their older version is available here for your reference. Content same like this, but dashboard and framework based on BLOCKS4.0 and BOOTSTRAP Latest version ) More information: [login to view URL](UPDATED with images and features of BLOCKS 3.1)