A QUIC implementation in pure Go

quic-go is an implementation of the QUIC protocol (RFC 9000, RFC 9001, RFC 9002) in Go. It has support for HTTP/3 (RFC 9114), including QPACK (RFC 9204) and HTTP Datagrams (RFC 9297).

In addition to these base RFCs, it also implements the following RFCs:

Unreliable Datagram Extension (RFC 9221)
Datagram Packetization Layer Path MTU Discovery (DPLPMTUD, RFC 8899)
QUIC Version 2 (RFC 9369)
QUIC Event Logging using qlog (draft-ietf-quic-qlog-main-schema and draft-ietf-quic-qlog-quic-events)

Support for WebTransport over HTTP/3 (draft-ietf-webtrans-http3) is implemented in webtransport-go.

Detailed documentation can be found on quic-go.net.

Projects using quic-go

Project	Description	Stars
AdGuardHome	Free and open source, powerful network-wide ads & trackers blocking DNS server.
algernon	Small self-contained pure-Go web server with Lua, Markdown, HTTP/2, QUIC, Redis and PostgreSQL support
caddy	Fast, multi-platform web server with automatic HTTPS
cloudflared	A tunneling daemon that proxies traffic from the Cloudflare network to your origins
frp	A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet
go-libp2p	libp2p implementation in Go, powering Kubo (IPFS) and Lotus (Filecoin), among others
gost	A simple security tunnel written in Go
Hysteria	A powerful, lightning fast and censorship resistant proxy
Mercure	An open, easy, fast, reliable and battery-efficient solution for real-time communications
OONI Probe	Next generation OONI Probe. Library and CLI tool.
RoadRunner	High-performance PHP application server, process manager written in Go and powered with plugins
syncthing	Open Source Continuous File Synchronization
traefik	The Cloud Native Application Proxy
v2ray-core	A platform for building proxies to bypass network restrictions
YoMo	Streaming Serverless Framework for Geo-distributed System

If you'd like to see your project added to this list, please send us a PR.

Release Policy

quic-go always aims to support the latest two Go releases.

Contributing

We are always happy to welcome new contributors! We have a number of self-contained issues that are suitable for first-time contributors, they are tagged with help wanted. If you have any questions, please feel free to reach out by opening an issue or leaving a comment.

Name		Name	Last commit message	Last commit date
Latest commit History 6,388 Commits
.circleci		.circleci
.clusterfuzzlite		.clusterfuzzlite
.githooks		.githooks
.github		.github
docs		docs
example		example
fuzzing		fuzzing
http3		http3
integrationtests		integrationtests
internal		internal
interop		interop
logging		logging
qlog		qlog
quicvarint		quicvarint
testutils		testutils
.gitignore		.gitignore
.golangci.yml		.golangci.yml
Changelog.md		Changelog.md
LICENSE		LICENSE
README.md		README.md
SECURITY.md		SECURITY.md
buffer_pool.go		buffer_pool.go
buffer_pool_test.go		buffer_pool_test.go
client.go		client.go
client_test.go		client_test.go
closed_conn.go		closed_conn.go
closed_conn_test.go		closed_conn_test.go
codecov.yml		codecov.yml
config.go		config.go
config_test.go		config_test.go
conn_id_generator.go		conn_id_generator.go
conn_id_generator_test.go		conn_id_generator_test.go
conn_id_manager.go		conn_id_manager.go
conn_id_manager_test.go		conn_id_manager_test.go
connection.go		connection.go
connection_test.go		connection_test.go
connection_timer.go		connection_timer.go
connection_timer_test.go		connection_timer_test.go
crypto_stream.go		crypto_stream.go
crypto_stream_manager.go		crypto_stream_manager.go
crypto_stream_manager_test.go		crypto_stream_manager_test.go
crypto_stream_test.go		crypto_stream_test.go
datagram_queue.go		datagram_queue.go
datagram_queue_test.go		datagram_queue_test.go
errors.go		errors.go
frame_sorter.go		frame_sorter.go
frame_sorter_test.go		frame_sorter_test.go
framer.go		framer.go
framer_test.go		framer_test.go
go.mod		go.mod
go.sum		go.sum
interface.go		interface.go
mock_ack_frame_source_test.go		mock_ack_frame_source_test.go
mock_batch_conn_test.go		mock_batch_conn_test.go
mock_conn_runner_test.go		mock_conn_runner_test.go
mock_crypto_data_handler_test.go		mock_crypto_data_handler_test.go
mock_crypto_stream_test.go		mock_crypto_stream_test.go
mock_frame_source_test.go		mock_frame_source_test.go
mock_mtu_discoverer_test.go		mock_mtu_discoverer_test.go
mock_packer_test.go		mock_packer_test.go
mock_packet_handler_manager_test.go		mock_packet_handler_manager_test.go
mock_packet_handler_test.go		mock_packet_handler_test.go
mock_packetconn_test.go		mock_packetconn_test.go
mock_quic_conn_test.go		mock_quic_conn_test.go
mock_raw_conn_test.go		mock_raw_conn_test.go
mock_receive_stream_internal_test.go		mock_receive_stream_internal_test.go
mock_sealing_manager_test.go		mock_sealing_manager_test.go
mock_send_conn_test.go		mock_send_conn_test.go
mock_send_stream_internal_test.go		mock_send_stream_internal_test.go
mock_sender_test.go		mock_sender_test.go
mock_stream_getter_test.go		mock_stream_getter_test.go
mock_stream_internal_test.go		mock_stream_internal_test.go
mock_stream_manager_test.go		mock_stream_manager_test.go
mock_stream_sender_test.go		mock_stream_sender_test.go
mock_token_store_test.go		mock_token_store_test.go
mock_unpacker_test.go		mock_unpacker_test.go
mockgen.go		mockgen.go
mtu_discoverer.go		mtu_discoverer.go
mtu_discoverer_test.go		mtu_discoverer_test.go
multiplexer.go		multiplexer.go
multiplexer_test.go		multiplexer_test.go
oss-fuzz.sh		oss-fuzz.sh
packet_handler_map.go		packet_handler_map.go
packet_handler_map_test.go		packet_handler_map_test.go
packet_packer.go		packet_packer.go
packet_packer_test.go		packet_packer_test.go
packet_unpacker.go		packet_unpacker.go
packet_unpacker_test.go		packet_unpacker_test.go
quic_suite_linux_test.go		quic_suite_linux_test.go
quic_suite_test.go		quic_suite_test.go
receive_stream.go		receive_stream.go
receive_stream_test.go		receive_stream_test.go
retransmission_queue.go		retransmission_queue.go
retransmission_queue_test.go		retransmission_queue_test.go
send_conn.go		send_conn.go
send_conn_test.go		send_conn_test.go
send_queue.go		send_queue.go
send_queue_test.go		send_queue_test.go
send_stream.go		send_stream.go
send_stream_test.go		send_stream_test.go

License

quic-go/quic-go

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