FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
Postman - The Collaboration Platform for API Development
HTTPie - CLI HTTP that will make you smile. JSON support, syntax highlighting, wget-like downloads, extensions, and more.
Insomnia REST - The most intuitive cross-platform REST API Client ð´
Yummy FTP Pro - Pro-level, fast, reliable FTP/S + SFTP + WebDAV/S client.
soapUI - SoapUI Pro is one of the most prominent API testing platforms around, allowing developers to quickly prototype the functions of their apps and get them to market with little hassle.