httparse

httparse is used at run time in 21,678 crates (of which 11,643 optionally). It is a direct run-time dependency in 295 crates. It's used at build time in 231 crates (of which 212 optionally, ). It's used only as a dev dependency in 1,145 crates (of which 16 directly).

Number of dependers	httparse version	Downloads/month
23,041	1.9.5	5.1M
1	1.8.0	2.7M
4	1.7.1	72K
3	1.4.1	9.3K
1	1.3.6	18K
4	0.1.6	490

Depender (with downloads and own rev deps)			httparse version
11.3M	3561	hyper	optional	^1.8
1.4M	155	actix-http		^1.5.1
1.2M	429	aws-smithy-runtime		^1.8.0
1.8M	60	multer		^1.3
3.6M	289	tungstenite	optional	^1.3.4
643K	25	soketto		^1.3.4
136K	57	actix-multipart		^1.3
94K	26	async-h1		^1.3.4
89K	74	tower-lsp		^1.8
261K	62	multipart	optional	^1.2
45K	3	pingora-cache		^1
45K	15	pingora-core		^1
45K	1	pingora-header-serde		^1
21K	1	hoot		^1.8.0
17K	3	async-http-codec		^1.7.1
16K	8	tonic-web-wasm-client		^1.8.0
15K	16	librespot-core		^1.7
14K	4	tokio-tungstenite-wasm		^1.3
9.2K	47	ntex		^1.8
8.7K	57	ws		^1.2.4
8.6K	5	lspower		^1.3.5
6.9K	4	tor-dirclient		^1.2
6.2K	7	websocket-codec		^1
18K	1	shadowsocks-service	optional	^1.9
5.8K	11	async-http-proxy		^1.5.1
4.8K	10	deno_http		^1.8.0
4.6K	3	mpart-async		^1.6.0
4.1K	4	parity-ws		^1.2.4
4.1K	4	s3s		^1.8.0
3.9K	1	mio_httpc		^1
3.7K	3	deno_tower_lsp		^1.8
3.5K	2	hyper-old-types		^1.0
3.1K	3	hyper_imp		^1.8
3.0K	3	ratchet_ext		^1.4.1
3.0K	3	ratchet_core		^1.4.1
2.8K	11	trillium-http		^1.8.0
8.6K	7	tokio-websockets	optional	^1.6
2.3K	1	hyper2		^1.9
1.9K	1	rhyper		^1.9
1.8K	5	trillium-client		^1.8.0
1.8K	2	http-bytes		^1.3.3
1.7K		cblt		^1.9.5
1.7K		zeptohttpc		^1.3
1.6K		uefisettings		>=1.8
1.6K	5	oxhttp		^1.8
4.5K	1	ruma-federation-api	optional	^1.9.0
1.3K		mock-http-connector		^1.8.0
1.2K	1	form-data		^1.8
1.1K	5	mime_multipart		^1.3
950		ureq-proto		^1.8.0
850		tun2proxy		^1
750		fontfor		^1.8
700	1	async-h1b		^1.3.4
700		miniserve		^1
600		racoon		^1.8.0
600		tauri-plugin-oauth		^1
600	4	monoio-http		^1
2.2K	1	multiparty	optional	^1
550	1	reqwless		^1.8.0
550	2	touche		^1.7.1
500		hitman		^1.8
460		atm0s-reverse-proxy-relayer		^1.8
440	7	hyper_wasi		^1.8
390	12	formdata		^1.2
360		uhttp		^1
360		elmio-cli		^1.9.5
330		server_nano		^1
1.4K		wiwi	optional	^1.8.0
290		mini-server		^1.9.4
260	2	ockam_api		^1.9.5
250		tosic-http		^1.9.5
250	1	lightws		^1
170		webchaussette		^1.8
170	1	embedded-websocket		^1.8.0
170		rvimage		^1.9.5
160	2	librqbit-upnp		^1.9.4
1.0K		waki	optional	^1.9.4
160	3	simple-server		^1.2.3
160	1	msedge-tts		^1.9.5
160	1	rust-rcs-core		^1.8
150	1	ntex-multipart		^1.3
150		pipebuf_websocket		^1.4
150	1	sproxy		^1.8.0
150	1	areq-h1		^1.9
140		socket-flow		^1.9.4
130		outfall		^1.9.5
130	1	pi_http		=1.7.1
130		rspamd-client		^1.9
120		overtls		^1
120		sincere		^1.3
110	1	mco-http		^1
110		tortuga		^1.8.0
110		may_minihttp		^1
110		rockscrew		^1.8.0
100	1	swimos_http		^1.8
	1	gneiss-mqtt		^1
	8	thruster		^1.3.4
	1	qws		^1.2.4
		rotor-http		^1.1
		proxy-rs		^1.8.0
	2	tdn		^1.6
		tunnelto		^1.3.4
	2	ws-tool		^1.8
	2	librqbit-upnp-serve		^1.9.4
	9	actori-http		^1.3
	2	pillow-http		^1.8.0
		actnel		^1.3.4
	1	summer-boot		^1.6
		rtv		1.8.*
		rudis-http		^1
	1	hreq-h1		^1
	2	aurelius		^1.3.4
		servt		^1.8.0
	3	cyfs-async-h1		^1.3.4
	1	micro-http		^1.8.0
650		wtx	optional	^1.0
	3	deno_flash		^1.8
		sniffglue		^1.8.0
	5	twist		^1.2.1
		proxie		^1.8.0
	9	tk-http		^1.2.2
	3	aws-sdk-rust		^1
	1	engineio-rs		^1.6.0
	8	scrappy-http		^1.3
	1	tina-core		^1.8.0
	1	nightfly		^1.7.1
	1	tetsy-ws		^1.2.4
	1	embedded-websocket-embedded-io		^1.9.4
		mock_proxy		^1.4.1
		hreq		^1
	2	tokio-http2		^1
	8	requiem-http		^1.3
		proxide		^1
		argan		^1
		tophat		^1.3.4
	1	qsocket		^1.8.0
	2	aquatic_http_protocol		^1
		libdeadmock		^1
	1	ras_service		^1.6.0
		portalgun		^1.8.0
	5	submillisecond		^1.7.1
	1	edge-http		^1.7
		hpts		^1.3.4
		tokio-ssdp		^1.5.1
	1	websocket-simple		^1.1.2
	1	razer-ws		^1.2.4
		peta		^1.3
		third-wheel		^1.3.4
		wormhole-tunnel		^1.3.4
		castled		^1.9.4
	1	hawk-ws		^1.2
	3	pi_ws		=1.7.1
		poem-proxy		^1.8.0
		s3-server		^1.4.0
		simple-test-bbarekas		^1.3.4
		smartcast		^1.4.1
		syserve		^1.3.6
		gold-db		^1.8.0
		snoopy		^1.3.0
	1	wsq		^1.2.4
		bravery		^1.3.4
		enigma-tools-u		=1.2.5
		mini_http		^1
		nets		^1.3.0
		yeelib_rs		^1.3.4
	2	deno_fake_http		^1.8.0
		rgmail		^1.5.1
	5	thruster-core		^1.1.2
	1	icaparse		^1.2.3
		lopxy		^1.7.0
		lsp4spl		^1.8.0
		soket		^1.3.4
	1	aquatic_http		^1
	2	eternal		^1.3
		mindmap		^1.8.0
		mini_async_http		^1.3.4
		silver-rs		^1.1
	1	solana-ws		^1.2.4
		spook		^1.3.3
		susy-ws		^1.2.4
		weber		^1.7.1
	1	dev_bestia_simple_server		^1.5.1
		oc-http		^1.3.4
		open_proxies		^1.8.0
		rslocal		^1.7.0
		starlane-core		^1.5.1
		vivcord		^1.8
	1	aquatic_ws		^1
		copra		^1.2
	1	futures-http		^1.8
	1	jsonrpc-parse		^1.0
		nephele		^1.3.4
		noir		^1.1
		olin		^1.3.2
		enqueue-email		^1.3.4
	1	hproxy		^1.8.0
		kyoto		^1.3.4
	4	kyoto_protocol		^1.3.4
		myanimelist-rs		^1.3.4
		requiem-multipart		^1.3
		scrappy-multipart		^1.3
	1	acril-http		^1
		cgi-bin		^1.4
	2	cipherstash-grpc-web-client		^1
	1	embly		^1.3.4
		keclc-multipart		^1.3
		kl-http		^1.2.4
		masquerade-proxy		^1.8
	1	novel		^1.2
		tower-cgi		^1.5
		triton-client		^1
		aahc		^1
	1	body-image-futio		>=1.2.4, <1.5
		boguin		^1.2.4
	1	http-codec		^1.3.2
		http-proxy-client-async		^1.3
		ws-test		^1.3.4
		actori-multipart		^1.3
	1	barc		>=1.2.4, <1.5
		basicvideostreamer		^1.7.1
		benchrs		^1.7.1
		bgpview-cli		^1
		dota-gsi		^1.8
		fanta		^1.1.2
	1	httpbin		^1.2.1
		multipart-stream		^1.4.0
	3	octoproxy-lib		^1.8.0
		sotahyper		^1.0
		yaws-spec-h1		^1.7.1
		bloom-server		^1.3
		brio		^1.3.4
		btfm		^1
		bubblegum		^1.7.1
		bubblegum-cli-rs		^1.7.1
		cargo-ngrok		^1.3.4
		cherrybomb-cli		^1.5.1
		clia-ntex-multipart		^1.3
		clotho		^1.8.0
		cogo-http		^1
		commit--blog		^1.5
		commit--cli		^1.5
		condure		^1.7
		craweb		^1.7.1
		deplorable		^1.3.4
		dianmeng		^1
		drogue-http-client		^1
	1	http-multipart		^1.8
		hyper-sync		^1.0
	2	miasht		^1
		nightfly-twitchax-patch		^1.7.1
	1	pi_mqtt		=1.7.1
		silent-multer		^1.3
		wstt		^1.3.4
		grpc-web-client		^1.4.0
		inventor_bot		^1.9.4
		jsonrpc-codec		^1.0
	1	li-async-h1		^1.3.4
		felixs-tower-lsp		^1.8
		fundamentum-edge-mcu-http-client		^1.8
		http_lolo		^1.9.4
	1	hyper-patch		^1.9
	6	openlibspot-core		^1.7
		poem-reverse-proxy		^1.8.0
		rustxy		^1.9.4
		simple-ssdp		^1.9.4
		super-spotify-core		^1.7
		wez-sonos		^1.8.0
380		shotover	optional	^1.8.0
320		multipart-2021	optional	^1.2
280	1	uiua	optional	^1.8.0
260		socket_server	optional	^1.9.4
260		tpnote	optional	^1.9.5
220		nbio	optional	^1.8.0
140		supply-chain-trust-example-crate-000081	optional	^1.8
110	2	xitca-http	optional	^1.8
100		ws-framer	optional	^1.9.5
	1	rama-hyper	optional	^1.8
		keyauth	optional	^1.8.0
		multipart2	optional	^1.2
		mdbook-pdf-tungstenite	optional	^1.3.4
	1	async-fcgi	optional	^1
		boomnet	optional	^1.8.0
	8	clarity-repl	optional	^1.6.0
	1	doge_transport	optional	^1.3
		keyauth-obf	optional	^1.8.0
		mendes	optional	^1.3.4
		multipart-any	optional	^1.2
		multipart-async	optional	^1.0
	1	ng-tungstenite	optional	^1.3.4
	2	qiniu-multipart	optional	^1.2
		rs_utils	optional	^1.3
		rustdcr	optional	^1.5.1
	1	silent-tungstenite	optional	^1.3.4
1.3M	31	aws-sigv4	dev	^1.8
32K	337	tokio-core	dev	^1.0
2.2K	6	message-io	dev	^1.3.5
800		http-serve	dev	^1.3.4
490		w5500-regsim	dev	^1
370	8	may	dev	^1.1
320	28	fibers	dev	^1
230		bacon-ls	dev	^1.8
120		loona	dev	^1.9.4
100		fluke	dev	^1.8.0
		tokactor	dev	^1.8.0
	1	mioco	dev	^1.1.1
	4	rotor-stream	dev	^1.1.0
		gain-listener	dev	^1.3.0
		d3	dev	^1.3.4
		thhp	dev	^1.3
		tl-async-runtime	dev	^1.0
		pi_async_wsc	dev	=1.7.1