httparse

httparse is used at run time in 18,538 crates (of which 9,733 optionally). It is a direct run-time dependency in 249 crates. It's used at build time in 212 crates (of which 194 optionally, ). It's used only as a dev dependency in 981 crates (of which 15 directly).

Number of dependers	httparse version	Downloads/month
19,714	1.8.0	5.3M
4	1.7.1	157K
3	1.4.1	30K
5	1.3.6	31K
1	1.2.5	15K
4	0.1.6	2.5K

Depender (with downloads and own rev deps)			httparse version
6.9M	3346	hyper	optional	^1.8
2.3M	258	tungstenite	optional	^1.3.4
955K	50	multer		^1.3
805K	148	actix-http		^1.5.1
413K	23	soketto		^1.3.4
99K	51	actix-multipart		^1.3
93K	26	async-h1		^1.3.4
256K	58	multipart	optional	^1.2
55K	56	tower-lsp		^1.8
42K	1	hoot		^1.8.0
10K	12	librespot-core		^1.3
10K	56	ws		^1.2.4
10K	2	tokio-tungstenite-wasm		^1.3
9.7K	2	tonic-web-wasm-client		^1.8.0
8.9K	5	lspower		^1.3.5
7.0K	11	trillium-http		^1.8.0
6.4K	3	async-http-codec		^1.7.1
6.2K	4	parity-ws		^1.2.4
6.1K	43	ntex		^1.8
5.9K	2	hyper-old-types		^1.0
5.5K	9	async-http-proxy		^1.5.1
4.6K	8	deno_http		^1.8.0
4.5K		mock-http-connector		^1.8.0
4.2K	3	s3s		^1.8.0
4.0K	3	mpart-async		^1.6.0
4.0K	3	tor-dirclient		^1.2
3.8K	4	trillium-client		^1.8.0
2.7K	2	http-bytes		^1.3.3
2.6K	4	pingora-core		^1
2.5K	2	pingora-cache		^1
2.4K	1	pingora-header-serde		^1
1.9K	7	websocket-codec		^1
1.6K	7	hyper_wasi		^1.8
1.5K	5	oxhttp		^1.8
1.5K	3	hyper_imp		^1.8
1.0K		overtls		^1.8
950	8	thruster		^1.3.4
850	1	form-data		^1.8
2.7K	2	tokio-websockets	optional	^1.6
700		tun2proxy		^1.8
2.6K	1	multiparty	optional	^1
650		miniserve		^1
650	5	mime_multipart		^1.3
500	12	formdata		^1.2
1.8K		uiua	optional	^1.8.0
400	1	mio_httpc		^1
370	3	simple-server		^1.2.3
370	2	monoio-http		^1
350	1	tdn		^1.6
350		clotho		^1.8.0
330		uefisettings		>=1.8
1.4K		boomnet	optional	^1.8.0
300	2	ws-tool		^1.8
250		rvimage		~1.8
240		may_minihttp		^1
240	1	lightws		^1
240		triton-client		^1
210	9	actori-http		^1.3
210		reqwless		^1.8.0
210	3	cyfs-async-h1		^1.3.4
190	1	tetsy-ws		^1.2.4
190	1	hproxy		^1.8.0
190	1	sproxy		^1.8.0
190		tauri-plugin-oauth		^1
180		ntex-multipart		^1.3
180		poem-reverse-proxy		^1.8.0
180	3	ratchet_ext		^1.4.1
170		server_nano		^1
170	8	scrappy-http		^1.3
160	1	qws		^1.2.4
160		hitman		^1.8
150	1	http-multipart		^1.8
150		pipebuf_websocket		^1.4
150	8	requiem-http		^1.3
140		zeptohttpc		^1.3
140	1	ratchet_core		^1.4.1
140		railwayapp		^1.8.0
130		tortuga		^1.8.0
130	9	tk-http		^1.2.2
120	5	thruster-core		^1.1.2
120	1	embedded-websocket		^1.8.0
850		wiwi	optional	^1.8.0
110	4	submillisecond		^1.7.1
110	1	mco-http		^1
110		vivcord		^1.8
100		benchrs		^1.7.1
100	3	deno_flash		^1.8
100		rockscrew		^1.8.0
100		bloom-server		^1.3
	2	aquatic_http_protocol		^1
	1	engineio-rs		^1.6.0
		nbio		^1.8.0
		s3-server		^1.4.0
	3	aws-sdk-rust		^1
	4	kyoto_protocol		^1.3.4
		multipart-stream		^1.4.0
		spook		^1.3.3
	1	body-image-futio		>=1.2.4, <1.5
	3	octoproxy-lib		^1.8.0
	1	tina-core		^1.8.0
	2	aurelius		^1.3.4
		fontfor		^1
		sniffglue		^1.8.0
	1	jsonrpc-parse		^1.0
		rotor-http		^1.1
	1	hreq-h1		^1
		mock_proxy		^1.4.1
	2	touche		^1.7.1
650		tpnote	optional	^1.8.0
	1	icaparse		^1.2.3
		deplorable		^1.3.4
		enigma-tools-u		=1.2.5
		mini_http		^1
		msedge-tts		^1.8.0
		fanta		^1.1.2
	1	dev_bestia_simple_server		^1.5.1
		lsp4spl		^1.8.0
	5	twist		^1.2.1
		grpc-web-client		^1.4.0
		mindmap		^1.8.0
		hreq		^1
		lopxy		^1.7.0
	2	miasht		^1
		copra		^1.2
		gold-db		^1.8.0
		craweb		^1.7.1
	1	gneiss-mqtt		^1
	1	http-codec		^1.3.2
	1	httpbin		^1.2.1
		libdeadmock		^1
		sincere		^1.3
		cargo-ngrok		^1.3.4
	2	eternal		^1.3
		noir		^1.1
		bravery		^1.3.4
		olin		^1.3.2
	2	cipherstash-grpc-web-client		^1
		drogue-http-client		^1
	1	edge-http		^1.7
		mini_async_http		^1.3.4
		silver-rs		^1.1
		jsonrpc-codec		^1.0
		nephele		^1.3.4
		oc-http		^1.3.4
		open_proxies		^1.8.0
		bubblegum-cli-rs		^1.7.1
		poem-proxy		^1.8.0
	1	li-async-h1		^1.3.4
		brio		^1.3.4
		btfm		^1
	1	hawk-ws		^1.2
		tunnelto		^1.3.4
		yeelib_rs		^1.3.4
		cherrybomb-cli		^1.5.1
	1	nightfly		^1.7.1
		snoopy		^1.3.0
		tokio-ssdp		^1.5.1
		bubblegum		^1.7.1
		dota-gsi		^1.8
	1	novel		^1.2
		clia-ntex-multipart		^1.3
	3	pi_ws		=1.7.1
		weber		^1.7.1
		kl-http		^1.2.4
		ws-test		^1.3.4
		keclc-multipart		^1.3
	1	rust-rcs-core		^1.8
		bgpview-cli		^1
		dianmeng		^1
	1	micro-http		^1.8.0
	1	ras_service		^1.6.0
		wormhole-tunnel		^1.3.4
		myanimelist-rs		^1.3.4
	1	solana-ws		^1.2.4
		susy-ws		^1.2.4
		enqueue-email		^1.3.4
		http-proxy-client-async		^1.3
		nets		^1.3.0
	1	pi_http		=1.7.1
	2	pillow-http		^1.8.0
		smartcast		^1.4.1
		soket		^1.3.4
		starlane-core		^1.5.1
	1	websocket-simple		^1.1.2
		kyoto		^1.3.4
		masquerade-proxy		^1.8
		tophat		^1.3.4
	1	embly		^1.3.4
		proxy-rs		^1.8.0
	2	tokio-http2		^1
		tower-cgi		^1.5
	1	barc		>=1.2.4, <1.5
		cgi-bin		^1.4
		commit--cli		^1.5
550		mendes	optional	^1.3.4
		hpts		^1.3.4
	6	openlibspot-core		^1.7
		rgmail		^1.5.1
		servt		^1.8.0
		sotahyper		^1.0
		third-wheel		^1.3.4
		yaws-spec-h1		^1.7.1
		peta		^1.3
	1	wsq		^1.2.4
		scrappy-multipart		^1.3
		hyper-sync		^1.0
		nightfly-twitchax-patch		^1.7.1
	1	razer-ws		^1.2.4
	1	qsocket		^1.8.0
		silent-multer		^1.3
	1	summer-boot		^1.6
		basicvideostreamer		^1.7.1
		boguin		^1.2.4
		requiem-multipart		^1.3
		super-spotify-core		^1.7
		wstt		^1.3.4
		actori-multipart		^1.3
	1	aquatic_ws		^1
		rslocal		^1.7.0
		aahc		^1
		condure		^1.7
500	1	xitca-http	optional	^1.8
		portalgun		^1.8.0
		proxie		^1.8.0
	1	acril-http		^1
		commit--blog		^1.5
		syserve		^1.3.6
		actnel		^1.3.4
		proxide		^1
		simple-test-bbarekas		^1.3.4
		cogo-http		^1
		rudis-http		^1
		rtv		1.8.*
360	8	clarity-repl	optional	^1.6.0
280		multipart-2021	optional	^1.2
150		wtx	optional	^1.0
		keyauth	optional	^1.8.0
	1	async-fcgi	optional	^1
		keyauth-obf	optional	^1.8.0
	1	doge_transport	optional	^1.3
		mdbook-pdf-tungstenite	optional	^1.3.4
		multipart-any	optional	^1.2
		multipart-async	optional	^1.0
	2	qiniu-multipart	optional	^1.2
	1	rama-hyper	optional	^1.8
		rs_utils	optional	^1.3
		rustdcr	optional	^1.5.1
		shotover	optional	^1.8.0
	1	silent-tungstenite	optional	^1.3.4
1.0M	26	aws-sigv4	dev	^1.8
40K	337	tokio-core	dev	^1.0
900	5	message-io	dev	^1.3.5
750	28	fibers	dev	^1
350	8	may	dev	^1.1
130	4	rotor-stream	dev	^1.1.0
		tokactor	dev	^1.8.0
	1	mioco	dev	^1.1.1
		fluke	dev	^1.8.0
		http-serve	dev	^1.3.4
		thhp	dev	^1.3
		tl-async-runtime	dev	^1.0
		w5500-regsim	dev	^1
		gain-listener	dev	^1.3.0
		d3	dev	^1.3.4