gFTP is a free multithreaded file transfer client for *NIX based machines. 56 language translations available.
For Mac: FileZilla, CuteFTP, Transmit, Fetch, gFTP
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.
FileZilla now contains adware if you download from the official homepage
1 project | news.ycombinator.com | 27 Mar 2021
[Blog] Working with secure FTP in PowerShell
2 projects | reddit.com/r/PowerShell | 1 Nov 2021
[PowerShell] Easy way to connect to FTPS and SFTP
1 project | reddit.com/r/usefulscripts | 29 Aug 2021
Django FTP storage
1 project | reddit.com/r/django | 19 May 2022
How to download the InsightDigital online textbooks.
1 project | reddit.com/r/Piracy | 29 Apr 2022