Applications listed bellow support MPTCP natively. Please note that other apps can be forced to use it by following these instructions.

Linux apps

Name	Version	How to use
Lighttpd 1.4	1.4.76+	server.feature-flags = ( "server.network-mptcp" => "enable" )
Apache Traffic Server	9.2.4+	server_ports: <port> mptcp
Envoy	1.21.0+	"enable_mptcp": "true" (listening config)
QEmu	6.1+	<ip>:<port>,mptcp
Shadowsocks libev	v3.3.6+	--mptcp
Shadowsocks Rust	v1.16.0+	--mptcp

Tools

Name	Version	Comment
TCPDump	4.5.0+	Can decode MPTCP options in TCP packets
Wireshark	4.2.4+	Can decode and filter MPTCP options
Syzkaller	Feb 2020	Can exercise MPTCP sockets and Netlink APIs

MacOS apps

Name	Version	How to use
iperf3-darwin	11.0+	--apple-multipathsvc
SSH	OpenSSH-281.40.2	applemultipath option
Shellfish	?	Settings / Advanced / 🌍 Multipath TCP

Misc.

Name	Version
Open MPTCP Router	v0.60

Add native MPTCP support

Do not hesitate to add native MPTCP support in more apps! For some ideas, feel free to look at this spreadsheet.

Others?

Please open a new pull request or an issue if you know any other apps with a community of users and supporting MPTCP natively.