Rustls

Rustls is used at run time in 4,089 crates (of which 1,666 optionally). It is a direct run-time dependency in 403 crates. It's used at build time in 30 crates (of which 26 optionally, 1 directly). It's used only as a dev dependency in 202 crates (of which 16 directly).

Number of dependers	Rustls version	Downloads/month
8	0.21.0	11K
3,003	0.20.8	2.1M
551	0.19.1	493K
143	0.18.1	46K
331	0.17.0	9.4K
145	0.16.0	5.2K
29	0.15.2	1.8K
17	0.14.0	850
70	0.13.1	1.1K
10	0.12.0	120
7	0.11.0	130
2	0.9.0	150
5	0.5.8	250

Depender (with downloads and own rev deps)			Rustls version
2.1M	274	tokio-rustls		^0.20
1.6M	888	hyper-rustls		^0.20.1
2.7M	5602	reqwest	optional	^0.20
975K	183	tungstenite	optional	^0.20.0
839K	321	tokio-tungstenite	optional	^0.20.0
662K	49	trust-dns-proto	optional	^0.20.0
623K	161	trust-dns-resolver	optional	^0.20.0
482K	525	ureq	optional	^0.20.1
395K	359	aws-smithy-client	optional	^0.20
376K	17	sqlx-core	optional	^0.20.1
316K	44	sentry	optional	^0.20.6
147K	18	futures-rustls		^0.20
258K	24	quinn-proto	optional	^0.20.4
115K	2	webrtc-dtls		^0.19.0
110K	14	webrtc		^0.19.0
80K	1	libp2p-tls		^0.20.7
80K	111	mongodb		^0.20.4
155K	54	quinn	optional	^0.20.3
62K	23	nats		^0.19.1
123K	6	rocket_http	optional	^0.14
121K	4	kube-client	optional	^0.20.3
119K	100	tiny_http	optional	^0.20
112K	406	yup-oauth2	optional	^0.20.4
49K	31	async-tls		^0.20.6
99K	16	axum-server	optional	^0.20
79K	2	libp2p-quic	optional	^0.19.1
34K	6	rustls-connector		^0.20
67K	28	mysql_async	optional	^0.20.0
64K	41	bollard	optional	^0.20
27K	5	tokio-postgres-rustls		^0.20
53K	84	lettre	optional	^0.20
26K	10	async-rustls		^0.20
24K	7	gcp_auth		^0.20.2
19K	20	solana-streamer		^0.20.6
38K	36	trust-dns-client	optional	^0.20.0
29K	80	mysql	optional	^0.20.0
14K	7	qp2p		^0.20.2
13K	1	qjsonrpc		^0.20.8
26K	26	trust-dns-server	optional	^0.20
10K	27	ic-agent		^0.20.4
20K	22	electrum-client	optional	^0.20
20K	53	minreq	optional	^0.20.0
18K	20	ldap3	optional	^0.20.7
16K	22	http_req	optional	^0.19
6.6K	11	deno_tls		^0.20.5
5.6K	1	apollo-router		^0.20.8
5.2K	2	solana-quic-client		^0.20.6
9.9K	7	fred	optional	^0.20
8.7K	3	k8-client	optional	^0.20.6
3.8K	3	tls-api-rustls		^0.20.0
7.5K	28	ntex	optional	^0.20
3.3K	4	rustls-acme		^0.20.6
2.9K	10	libunftp		^0.20.8
2.9K	6	pact_mock_server		^0.20.7
2.8K	4	deno_flash		^0.20.5
2.7K	10	tide-rustls		^0.19.0
2.6K	3	rustls-ffi		=0.21.0
2.5K	1	zenoh-link-quic		^0.20.6
2.4K	2	hyper-alpn		^0.20
2.2K	2	drawbridge-client		^0.20.8
2.1K	3	dropshot		^0.20.8
2.1K		nel		^0.20.4
1.7K	1	mail-send		^0.20
3.5K	1	actix-server-config	optional	^0.16.0
3.5K	1	actix-net	optional	^0.14
3.4K	1	cdrs-tokio	optional	^0.20.6
3.0K	12	trust-dns	optional	^0.20
2.9K	3	avalanche-types	optional	^0.20.8
1.3K	3	fabruic		^0.19
1.2K	3	hyper-sync-rustls		^0.11
1.1K		astarte-device-sdk		^0.20.2
1.1K		poem-grpc		^0.20.6
1.0K	1	wrangler		^0.20.2
1.0K	8	kitsune_p2p_types		^0.20.4
1.0K	2	kitsune_p2p_transport_quic		^0.20.4
950	1	kitsune_p2p_proxy		^0.20.4
2.2K		miniserve	optional	^0.20
800	1	drawbridge-server		^0.20.8
750	1	async-nats-tokio-rustls-deps		^0.21.0-ALPHA.1
750	1	tx5-signal		^0.20.4
700		rustls-split		^0.20
650	2	s2n-quic-rustls		^0.20
600	8	vsmtp-common		^0.20.8
1.5K	9	rbdc	optional	^0.20.1
1.4K		toy-rpc	optional	^0.20
1.2K	2	async-acme	optional	^0.20
480	2	eventstore		^0.20
480	5	vsmtp-config		^0.20.8
450	3	riemann_client		^0.19.0
420		tonic_lnd		^0.19.0
400		geph4-client		^0.19.1
400	10	waffles-solana-streamer		^0.20.6
380	1	tokio-nsq		^0.19
1.0K	6	reqwest-wasm	optional	^0.20
1.0K		sspi	optional	^0.20.7
350	1	waffles-solana-quic-client		^0.20.6
340	1	viceroy-lib		^0.19.1
320	1	fluvio-async-tls		^0.20.6
320	1	pueue-lib		^0.20
320	2	vsmtp-delivery		^0.20.8
300	2	tract		^0.20.4
290		enarx-exec-wasmtime		^0.20.6
260		jsonwebtoken-google		^0.20.2
750	4	cdrs	optional	^0.17
230	12	netidx		^0.20
220	2	chrootable-https		^0.16
210		unleash-edge		^0.20.8
210		iroh		^0.20.8
210		slack-rust		^0.19.1
650		kmip-protocol	optional	^0.19.1
180		crunchyroll-rs		^0.20
170		bevy_quinnet		^0.20.6
170		mesalink		^0.16.0
160		http-server		^0.20.6
160	2	stack_test_epic_api		^0.13
150	3	grin_api		^0.17
150	2	stack_epic_api		^0.13
150		dcl-rpc		^0.20.8
150	1	sozu-lib		^0.20.7
150		rs-utilities		^0.20
150	2	sylvia-iot-broker		^0.20.8
150	1	webrtc-unreliable-client		^0.19.0
150	3	safecoin-client		^0.20.6
150	2	sylvia-iot-auth		^0.20.8
140		agate		^0.20.8
140	2	gemini-fetch		^0.19
140	2	quic-p2p		~0.17.0
130	1	chromecast		^0.21.0
130	1	dbcrossbarlib		^0.20.1
130	1	safecoin-streamer		^0.20.6
130	5	ntp-proto		^0.20.8
130	1	sylvia-iot-coremgr		^0.20.8
120	2	ntp-daemon		^0.20.8
120	7	printnanny-services		^0.19
490		oha	optional	^0.20.4
110	4	gostd		^0.20.2
100		questdb-rs		^0.20.6
100	1	chamomile		^0.20
470		rskafka	optional	^0.20
100		sylvia-iot-data		^0.20.8
		duf		^0.20
	2	libits-client		^0.19
	2	cabot		^0.17.0
		libopenxg		^0.20
	1	snocat		^0.20
	2	music-player-audio		^0.20.7
		bim-core		^0.20
420	2	gremlin-client	optional	^0.19
420	4	bollard-next	optional	^0.20
		quic-socket		^0.20.1
		ractor_cluster		^0.20
		ord		^0.20.6
390		actix-test-server	optional	^0.15
		fishnet		^0.20
		click		^0.20
		qsocket		^0.20.6
	1	trillium-rustls		^0.20.7
380	7	kern	optional	^0.20.6
		nperf		^0.20
		ktls		^0.20.7
	2	hdbconnect_impl		^0.20
	1	openai_api_client		^0.20.8
		restapi		^0.20.6
		wild-doc-webserver		^0.20
360		simple-http-server	optional	^0.20
	2	cosmic-hyperlane-tcp		^0.20
	1	durian		^0.20.8
		ockam_command		^0.20.8
		loadem		^0.19
	1	monoio-rustls		^0.20
350	2	reqwest_wasi	optional	^0.20
		goku-bench		^0.20.8
340	2	todo-or-die	optional	^0.19
		ac-rumqttc		^0.21.0-alpha.1
340	1	msql-srv	optional	^0.20.0
		new-home-proxy		^0.17.0
	1	aquatic_ws		^0.20
		geph4-binder-transport		^0.19
		katalyst		^0.15
		mango-feeds-connector		^0.20.8
330		rants	optional	^0.20
		vsmtp-plugin-ldap		^0.20.8
		shoes		^0.20.8
	1	csml_interpreter		^0.20.2
		edgedb-tokio		^0.20.2
		deluge-rpc		^0.17.0
		conec		^0.17
	2	kvarn_testing		^0.20
310	4	mqtt-async-client	optional	^0.19.0
	1	mugle_api		^0.17
		ap-relay		^0.20.7
		psd2		^0.20.2
	1	sn0int-std		^0.18
		homie-influx		^0.20.8
	2	lhi		^0.18.0
		aquatic_http_load_test		^0.20
		bayard-rest		^0.16
	3	bevy_editor_iris_common		^0.20.6
		aquatic_ws_load_test		^0.20
		pyxis-fs-client		^0.20.2
	1	libp2prs-websocket		^0.19
		pg_parcel		^0.20.7
		samotop-server		^0.19
		rews		^0.20
		bare_server_rs		^0.20.8
	2	eternal		^0.16.0
	1	inn-common		^0.20
		spire-workload		^0.20
	1	citadel_wire		^0.20.7
		leda		^0.20.6
		rustls-cng		^0.20
		actor-discord		^0.19.1
		httimple		^0.12.0
		katwebx		>=0.15.2
		tx3		^0.20.4
		aiot		^0.20.0
		enqueue-email		^0.17.0
	1	good-mitm-core		^0.20
	1	threema		^0.20
	1	bonsaidb-server		^0.20
	1	qinpel-srv		^0.18
		rnp		^0.19.1
		vfs-https		^0.19.0
		ateweb		^0.19
		silkroad		^0.15
		tokio-uring-rustls		^0.20
		correspondent		^0.20.6
		acmer		^0.20.7
		mangadex-home		^0.19
		pontus_onyx_cli		^0.20.6
		teslatte		^0.20
		wacr		^0.20
		checkssl		^0.18.0
		cloudbbq-homie		^0.20.8
		doh-client		~0.20.6
		hyper-function-core		^0.20
	1	keekijanai-serve-core		^0.20.2
		pawprint		^0.20.8
		rust-pop3-client		^0.20
	1	tls-client_hello-parser		^0.20
		tobaru		^0.20.4
		webrtc-rs-dtls		^0.19.0
		bones_matchmaker		^0.20.7
		pooly		^0.20.2
		praiya		^0.20
		rustls-pin		^0.19.0
		sso		^0.17
		curio		^0.18.1
		hyperapi		^0.19
		kcup		^0.19.1
		scratchstack-http-framework		^0.20
		service-authenticator		^0.17
		async-quic		^0.20.8
		demogorgon		^0.19
		gurl		^0
		icx-proxy		^0.20
		parrse-server		^0.20.7
		roa-tls		^0.17.0
		rust-thrift-tls		^0.17
		rustls_pay_load		^0.20.8
		twinstar		^0.18.1
		acme-dns-rust		^0.19
		astarte_sdk		^0.20.2
		iscp-rs		^0.20.7
		mqtt-ping		^0.20.7
		rustls-extra		^0.15.0
		snocat-cli		^0.20
		async-rustls-stream		^0.20.6
		async-tls-lite		^0.18
		bgpview-cli		^0.18
		deeprox		^0.17
		edgedb-client		^0.20.2
		eos-eapi		^0.20
	1	epic_api		^0.13
		garage_rpc_021		^0.19
		hid-io		^0.16.0
		invoice2storage		^0.20.8
		micro_http_async		^0.20.2
		mijia-homie		^0.20.8
		neohub		^0.20
		rust_raft		^0.18
		sea_battle_cli_player		^0.20.6
		snail		^0.13
		azi		^0.20
		eznet		^0.20
		https-cert-info		^0.18.1
		openbanking		^0.15.2
		proxide		^0.20
		proxyboi		^0.18
		pushpop		^0.15
		resalt		^0.20.6
		rumqttc-async-std		^0.19
		scratchstack-config		^0.20
		tangram-vision-sdk	build	^0.19
		tiedcrossing-client		^0.20.6
		webout		^0.16
		amail-lambda-smtp-relay		^0.16
		ddns-cli		^0.20.2
		hid-io-client		^0.20
		hive		^0.15
		poptea		^0.20.1
		reopenconnect		^0.19
		senax-linker		^0.20
		sonicbot		^0.19.1
		svanill-vault-server		^0.18.0
		temp-hrtls		^0.9.0
		vivcord		^0.20
		webhook-server		^0.20
		applehat		^0.20.8
		cfd		^0.20
		gget		>=0.18.0, <0.19.0
		ja3-rustls		^0.20
		plane-drone		^0.20.6
		tabbyssl		^0.16.0
		tls-mkcert-test		^0.20
		wclient		^0.20.2
		writus		^0.11
250	6	boxxy	optional	^0.20
230	1	mysql_async_wasi	optional	^0.20.0
230		rttp_client	optional	^0.16
210	1	mio_httpc	optional	^0.20.0
190	6	roa	optional	^0.20
180		mailin-embedded	optional	^0.20
170	1	mproxy-forward	optional	^0.20
160		dufs	optional	^0.20
150		mdbook-pdf-tungstenite	optional	^0.20.0
130	2	sqlx-core_wasi	optional	^0.20.1
130		atomic-server	optional	^0.20
120	6	aquatic_common	optional	^0.20
110	3	custom-utils	optional	^0.20
	1	ldap-rs	optional	^0.20
	1	stakker_mio	optional	^0.20.8
	2	lunatic-distributed	optional	^0.20
	1	http_io	optional	^0.20.6
	3	germ	optional	^0.20.5
		zeptohttpc	optional	^0.20
		movine	optional	^0.19.0
		aggligator-util	optional	^0.20
	5	kvarn	optional	^0.20
	6	tsukuyomi-server	optional	^0.14
		mysql_wasi	optional	^0.20.0
	2	pontus_onyx	optional	^0.20.6
	2	saphir	optional	^0.20
		simple-hyper-server-tls	optional	^0.20
		trust-dns-util	optional	^0.20.0
	3	async-stream-tls-upgrader	optional	^0.18
	1	lib-gst-meet	optional	^0.20
		nut-client	optional	^0.19
	1	zbx_sender	optional	^0.20.4
		rusty_interaction	optional	^0.18
		rusty-penguin	optional	^0.20
	1	touche	optional	^0.20.6
	4	humphrey	optional	^0.20.0
	1	gmi	optional	^0.20
	1	reqwest-vcapra1-add-cookies	optional	^0.18
	1	tokio-tungstenite_wasi	optional	^0.20.0
		fast_reqwest	optional	^0.20
	1	motorx-core	optional	^0.20
		ignite-rs	optional	^0.17.0
		toluol	optional	^0.20
	1	coyote	optional	^0.20
		rskafka_wasi	optional	^0.20
	1	rups	optional	^0.19
	1	todo_app_server	optional	^0.16
		exasol	optional	^0.20.4
		lmc	optional	^0.20
		rust-wistia	optional	^0.20.1
	1	hid-io-core	optional	^0.20
		simple-irc-server	optional	^0.20
		smartsheet-rs	optional	^0.20.1
		ddcore-rs	optional	^0.20
	1	hyper-simple-server	optional	^0.19.1
		log_loki	optional	^0.20.1
		maj	optional	^0.18
		mrq	optional	^0.15
	1	contraband	optional	^0.17.0
		slimweb	optional	^0.16
	1	solomon-gremlin	optional	^0.19
	1	connect	optional	^0.19.0
		pop3-client	optional	^0.19
		comment_app_backend	optional	^0.16
		hreq	optional	^0.19
		lichess-api	optional	^0.20.8
		dufs-zh	optional	^0.20
		httproxide	optional	^0.20
		orcinus	optional	^0.20.6
		sqlx-core-guts	optional	^0.20.1
		url-tail	optional	^0.11.0
		vndb	optional	^0.20
		actix-telegram	optional	^0.14
		cdrs_temp	optional	^0.17
		jitsi-meet-signalling	optional	^0.20
		monoio-http-client	optional	^0.20
	1	mproxy-proxy	optional	^0.20
1.3M	94	rustls-native-certs	dev	^0.20
35K	34	rumqttc	dev	^0.20
5.6K	1	goose	dev	^0.20
5.5K	3	quic-rpc	dev	^0.20.8
3.9K	2	h3	dev	^0.20
2.4K		ntex-mqtt	dev	^0.20
420	1	minicaldav	dev	^0.20
200	1	embedded-tls	dev	^0.20.6
	9	actori-http	dev	^0.16
		aws-iot-device-client	dev	^0.20.2
		cleverdog	dev	^0.15
		drawbridge	dev	^0.20.8
		drogue-tls	dev	^0.19.1
120		fregate	dev	^0.20.7
		hreq-h2	dev	^0.16
		libp2p-rs	dev	^0.19
		mqrstt	dev	^0.20.7
		pki	dev	^0.20
		quickie	dev	^0.20
	8	requiem-http	dev	^0.16
		salvo-http3	dev	^0.20
		salvo-quinn	dev	^0.20
	8	scrappy-http	dev	^0.16
		swanling	dev	^0.19
130	9	tk-http	dev	^0.12.0
		winit-block-on	dev	^0.20.8