FTP is always the best way to upload lot’s of files onto your hosting account, we have picked out some of the free ones that we think are worth trying:

1. Filezilla
FileZilla Client is a fast and reliable cross-platform FTP, FTPS and SFTP client with lots of useful features and an intuitive interface.

Features Include:
Drag & drop support
Configurable Speed limits
Supports FTP, FTP over SSL/TLS (FTPS) and SSH File Transfer Protocol (SFTP)
Cross-platform. Runs on Windows, Linux, OSX and more
Supports resume and transfer of large files >4GB

Official Website:
https://filezilla-project.org/

2.  AcefTP
It’s cool, uncluttered drag-and-drop interface, designed in a Windows XP fashion, lets you transfer files quickly and efficiently and navigate with ease between folders, both on Web sites and on your computer.

Features Include:
Windows XP-Style Interface
Store and configure your connections using the explorer-style advanced site manager
Make  server-to-server file transfers
Open several FTP sites easily
Resume broken transfers

Official Website:
https://software.visicommedia.com/en/products/aceftpfreeware/

3. Classic FTP
Classic FTP is an easy to use ftp client that allows you to view, edit, upload, download and delete files from a remote server (website) or network for free.

Features Include:
Runs on Windows 98/2000/Xp/Vista and Mac OS X 
Visually compare your local drive and what’s online
Manually download selected files
Manually connect and disconnect to site

Official Website:
https://www.nchsoftware.com/ftp/index.html

4. FireFTP (Firefox Browser Extension)
FireFTP is a free, secure, cross-platform FTP client for Mozilla Firefox which provides easy and intuitive access to FTP servers.

Features Include:
Cross-platform: Works on Windows, Mac OS X, Linux
Secure: SSL/TLS support, same encryption used with online banking and shopping
Synchronization: Keep directories in sync while navigating
Automatic reconnect and resuming of transfers
Seamless integration with Mozilla Firefox

Official Website:
https://fireftp.mozdev.org/

5. CyberDuck  (Mac Only)
Cyberduck is an open-source SFTP (SSH Secure File Transfer) and FTP browser licenced under the GPL. Cyberduck features the same intuitive interface for both FTP and SFTP browsing and is now Mac-only. You can open connections to multiple servers, thanks to its document-based interface. A simple Favorites manager allows you to store frequently used servers.

Official Website:
https://cyberduck.ch/