Muneeb Ur Rehman

Frontend File Uploader allows admins to add a simple form on frontend of WordPress website to enable their users to upload files directly in WordPress database.
Using this Shortcode: [ffu-shortcode]
Below are some salient features:
<h3>Frontend File Uploader Features</h3>
<ul>
<li>Simple to use</li>
<li>100% responsive</li>
<li>No limitation on the number of files</li>
<li>Easy to add anywhere using a shortcode. </li>
<li>You can manage the uploaded files in WordPress admin panel.</li>
</ul>
<h4>Do you want to contribute?</h4>
If you have ideas that can help us improve our plugin and user experience, please contact us at rmkhan1996@hotmail.com 
A few notes about the sections above:

Frontend File Upload

Allows users to upload files directly in WordPress Database from frontend.

sh1zen

This is an advanced upload plugin for those who need a little more than the default multi file upload of Gravity Forms.
The plugin options page provides you with granular control over many Plupload parameters from file extension filters to chunked uploading and runtimes.
All files are uploaded to the WordPress media library on successful form submission making for easy access and management.
FEATURES
<ul>
<li>Safety: validation of both file extension and mime type.</li>
<li>Privacy: filenames changed once added to media library.</li>
<li>Advanced Customization: many options and many hooks to modify any plugin rule.</li>
<li>Large File Support: enabled by chunked file uploads.</li>
<li>Media library integration: all files are uploaded to the WordPress media library on successful form submission making for easy access and management.</li>
<li>Entry list creation integration: A list of all correctly uploaded files, with relative link.</li>
</ul>
DONATIONS
This plugin is free and always will be, but if you are feeling generous and want to show your support, you can buy me a 
beer or coffee <a href="https://www.paypal.com/donate?business=dev.sh1zen%40outlook.it&item_name=Thank+you+in+advanced+for+the+kind+donations.+You+will+sustain+me+developing+GF-Multi-Uploader.&currency_code=EUR" rel="nofollow ugc">here</a>, I will really appreciate it.
<h3>Hooks</h3>
Filters: 
* ‘gfmu_plugin_locale’ 
* ‘gfmu_before_attach_uploads’ 
* ‘gfmu_maybe_insert_attachment’ 
* ‘gfmu_server_validation_args’ 
* ‘gfmu_insert_attachment_args’ 
* ‘gfmu_field_options’ 
* ‘gfmu_save_entry’

Multi Uploader for Gravity Forms

Chunked Multiple file uploads, from images, videos to pdf. Files stored in WP Media Library.

Frontend File Upload vs Multi Uploader for Gravity Forms