Open-source
RemoteFiles: Free Open-source FTP Client for Android and iOS
An open source SFTP client for Android and iOS.
ftp
ftp
sftpgo: Free Open-source FTP Server
sftpgo is a free open-source fully featured and highly configurable SFTP server with optional HTTP/S, FTP/S and WebDAV support - S3, Google Cloud Storage, Azure Blob Features Support for serving local filesystem, encrypted local filesystem, S3 Compatible Object Storage, Google Cloud Storage, Azure Blob Storage or other SFTP
ftp
MyFTP: Free Libre FTP Client for Windows
A modern FTP client for Windows 11
ftp
OpenFTP: Open-Source Client and Server FTP System
OpenFTP is a file transfer client + server, programmed in C++ / Qt, it uses openssl for securing network connections. It aims to be a good alternative to other ftp software, while being feature rich and simple to use. It does not support connections between non-openftp servers and clients. Platforms * Windows License
webdav
15 Open Source Free WebDAV Servers
WebDAV is an extension protocol to HTTP that allows users to create, move and edit remote documents on the server. WebDAV is widely used for file sharing, file collaboration between teams and groups. It is widely used in many enterprise apps as groupware, and ERP solutions. 10 Free Open-source Data
server
SFTPGo: Open Source SFTP Server with WebDAV Support
SFTPGo is a feature-rich open source SFTP server that offers HTTP/S, FTP, FTPS, and WebDAV support. It also supports several storage backends as local filesystem, encrypted local filesystem, S3 (compatible) Object Storage, Google Cloud Storage, Azure Blob Storage, SFTP. The project is written in the Go programming language. It
servers
Usermode FTP Server is an Open-source Multi-platform FTP Server
Access your files directly with many file browsers' builtin FTP support: Windows File Explorer, Thunar, Gnome Files, Dolphin and many more!