which

which is used at run time in 881 crates (of which 141 optionally). It is a direct run-time dependency in 468 crates. It's used at build time in 1,944 crates (of which 239 optionally, 48 directly). It's used only as a dev dependency in 147 crates (of which 34 directly).

Number of dependers	which version	Downloads/month
213	6.0.1	271K
145	5.0.0	210K
2,004	4.4.2	2.3M
1	4.4.0	1.1M
1	4.3.0	105K
1	4.2.5	207K
1	4.1.0	50K
126	3.1.1	133K
256	2.0.1	7.7K
224	1.0.5	2.1K

Depender (with downloads and own rev deps)			which version
3.1M	1820	bindgen	optional	^4.2.1
288K	12	protobuf-parse		^4.0
252K	18	v8	build	^5
145K	9	protoc		^4.0
84K	2	cargo-zigbuild		^6.0.0
78K	35	clearscreen		^6.0.1
76K	1	cargo-xwin		^5.0.0
75K	1	cross		^4
70K	11	gcp_auth		^6.0
70K	2	runas		^4.3.0
64K	7	wasm-pack		^4.4.0
54K		rinf		^6.0.0
40K	4	luajit-src		^6.0
33K	1	wasmer-engine-dylib		^4.0
28K	3	duckscriptsdk		^6
24K	31	native-dialog		^4.0.0
22K	12	bitcoind		^4.2.5
22K	5	service-manager		^4.0
17K	1	cargo-component		^6.0.1
15K	29	headless_chrome		^5.0
44K	1	autocxx-bindgen	optional	^4.2.1
13K		cargo-leptos		^5
13K	22	esp-idf-sys	build	^4.4
11K		trunk		^6
10K		sccache		^5
8.9K	1	watchexec-cli		^5.0.0
8.7K	15	electrsd		^4.2.5
7.4K	1	sigstore_protobuf_specs	build	^6.0.0
6.8K		cargo-groups		^4.4.0
6.8K	1	starship		^6.0.1
6.4K	8	contract-build		^6.0.1
6.3K	5	pinentry		^4
19K	28	embuild	optional	^4.1
17K	8	test-with	optional	^5.0
5.3K	5	nu-cli		^6.0.0
5.0K	3	router-bridge	build	^4.4.2
4.9K	5	evcxr		^5.0.0
4.3K	14	chromiumoxide		^4
12K	18	copypasta-ext	optional	^4.0
13K	48	edit	optional	^4.0
4.2K		winpty-rs	build	^6.0.0
4.0K	1	fuels-test-helpers		^6.0.0
11K	16	age	optional	^4
3.4K	19	deno_runtime		^4.2.5
3.2K		flapigen		^4.2.4
3.1K		mise		^6.0.1
3.1K	5	sppark	build	^4.0
2.9K	1	cocogitto		^6.0.0
2.8K		cargo-mobile2		^6.0
2.8K		zoxide		^6.0.0
2.7K		conan		^3.0
2.5K	11	nu-test-support		^6.0.0
2.2K		cni-plugin		^4.1.0
2.2K		gitui		^6.0
6.9K	1	iai-callgrind-runner	optional	>=5, <7
2.0K	1	metatensor-sys	build	^5
1.9K		procs		^6
5.7K	8	nu-command	optional	^6.0.0
1.7K	2	mountpoint-s3-crt-sys	build	^6.0.0
1.5K	4	zcash_client_backend	build	^4
1.5K	2	cargo-lambda-build		^4.2.5
1.5K	1	deno_permissions		^4.2.5
1.3K		tauri-driver		^4
1.3K	4	ink_e2e		^6.0.0
1.2K	7	rusty_v8	build	^4.1.0
1.2K	4	ndk-build		^4
1.2K	1	two_percent		^6.0.1
1.2K		broot		^4.4.0
1.1K		cargo-contract		^6.0.1
1.1K		httm		^6.0.1
1.1K		jetstream	build	^6.0.1
1.1K	1	snarkvm-algorithms-cuda	build	^4.4
1.1K	2	wasmer-engine-native		^4.0
950	2	soroban-cli		^4.4.0
900		shell-candy		^4
850		topgrade		~4.1
850	2	protobuf-parse2		^4.0
800	4	pasta-msm	build	^4.0
750		cargo-pgo		^4.2
650		roboplc-cli		^6.0.1
650	1	logix-type		^6.0.1
600	9	docmatic		^2.0
600		apple-clis		^6.0.0
600		task-keeper		^6
600	2	gear-wasm-builder		^4.4.2
600		spyn		^6
600		cargo-wizard		^6.0.0
550		pg-trunk		^4.4.0
550		xplr		^6.0.0
550		rsw		^4.2.5
500		wash-cli		^4
500	1	dinghy-lib		^4.0
500		ohcrab		^4.4.0
480	1	risc0-sppark	build	^4.0
470		mprocs		^4.2.5
470		garden-tools		^5.0.0
470		upt		^6.0.1
460		cargo-run-bin		^4.4.0
1.9K	2	hdfs-native	optional	^4
460		dev-scope		^5.0
440		cpkg		^6.0.1
420		ockam_command		^6.0.0
420		mdsf		^6.0.1
420	3	rustpython-vm		^4.2.5
400		aura-pm		^5.0
390	1	direnv		^4.4.2
390	3	precious-helpers		>=3.0.0, <5.0.0
380		radb		^5.0.0
370		pfetch		^4.4.0
370	2	precious-core		>=3.0.0, <5.0.0
370	3	motd	build	^6
360		darling-installer		^6.0.1
350	1	argc		^6.0
340		cargo-config-profiles		^6.0.1
340	1	cargo-wasi-src		^4.0
330	1	wrangler		^4.0.2
310		bacup		^6.0.0
310		chezmoi_modify_manager		^6.0.1
310	6	fugue-db		^4
300		simpleaf		^6.0.0
300	5	dora-core		^5.0.0
300	2	libcnb-package		^6.0.1
280	1	pgdb		^4.1.0
280		unsquashfs-wrapper		^6.0
270		geni		^6.0.1
270		git-mit-install		^6.0.0
270		darling-vscode		^6.0.1
270		wasmenv		^4.4.0
270		distant		^4.4.0
260		sheldon		^5.0.0
260		jokeyrhyme-dotfiles		^4.0
260		omnicli		^6.0.1
250		rust-parallel		^6
240		harmonizer	build	^4.4.2
240	1	russimp-sys	build	^4.3.0
230		tauri-mobile		^4.4
230		razel		^6
220		git-credential-keepassxc		^5.0.0
220		moleculec		^4.3.0
220		sued		^4.4.0
220	3	blue-build-utils		^6
220		lnd		^5.0.0
210		goup-rs		^6.0
210		pyoxidizer		^4.3.0
210		rtx-cli		^5
200		blob-dl		^4.4.0
190		cargo-concordium		^4.3
190	2	snowchains_core		^4.2.2
190	1	dora-daemon		^5.0.0
190	3	prs-lib		^6.0
190		wasm-runner		^4.2.2
190		clyde		^4.4.0
190		keron		^6
180	3	git2-ext		^4.4.0
180		cargo-wasix		^4.0
180		xbuild		^4.3.0
180		dot-silo		^5.0.0
170	1	rdkit-sys	build	^4.4.2
170		wenmoon		^6.0.1
170		gcli	build	^4.4.2
170		wrappe	build	^6.0.0
170		dmenv		^2.0
170		prs-cli		^6.0
160		single-header		^6.0.0
160		vopono		^6
160	1	vopono_core		^6
160		darkroom		^6
160		kapow		^5.0.0
160		supdock		^4.4.0
150		llvmenv		^4.0.2
150	3	debug-here		^2.0
150		rusmux		^4.4.0
150	1	intspan		^4.4.0
140		gptcommit		^4.4.2
140		cargo-compete		^4.2.4
130		soroban-cli-stellar-test		^4.4.0
900	3	fuse3	optional	^6
130		envful		^4.2.4
130		sqlite3_ext	build	^4.2.5
130	7	privilege		^4.3.0
130		npack		^5.0.0
120		nix-installer		^6.0.0
120		workflows		^5.0.0
120		afetch		^6.0.1
120		cpast		^6.0.0
120		term-sesh	build	^5.0.0
110		grib-cli		^4
110		gh-workflow-parser		^6.0.0
110		nix_health		^4.4.2
110	1	rocketmq	build	^4.4.0
100	1	ssstar-testing		^4
100		tmp-postgrust		^4.0
100	1	ttycommand		^4.3.0
100	2	carrier		^2.0.1
100		eureka		^4.2.5
		novel-cli		^6.0.1
	4	steel-core		^4.4.0
		soroban-cli-hcnet-test2		^4.4.0
		rustlings		^6.0.1
		oxygengine-ignite		^4.2
	2	yew-feather	build	^4.3.0
		gistit		^4.2.4
		mdbook-pdf-headless_chrome		^5.0
		oxidec		^4.4.0
		cargo-equip		^4.4.0
		dexterous_developer_cli		^6
	1	oro-script		^4.0.2
		gemgui		^4.4.0
	1	nginx-sys	build	^4.4.0
		there		^4.3.0
		github-backup		^6.0
	2	av1an-core		^4.1.0
		kubie		^5
		docker-cmd		^3.1.0
	2	katniss-pb2arrow		^4.4.0
		gert		^4.2.2
		gobang		^4.1
		oreutils		^2.0.1
		nexusfetch		^6.0.1
	1	ntex-prost-build	build	^4
		sconectl		^4.2.5
		tuning		^4
	1	open_cmd		^4.2
		xvc-workflow-tests		^5.0
		pipr		^4.0
		symcc_runtime	build	^4.4
	3	xvc-storage		^4.4
		kleinwuerfel		^4
		acm-cli		^6.0.0
		lurk-pasta-msm	build	^4.0
		magoo		^5.0.0
		notem		^1.0
		nu-completion-script		^4.3.0
		tap_runner		^4.4.0
		casr		^4.4
		crashpad		^4.2.2
		fuzzy-tree		^3.1.1
		mc-launcher-core		^5.0.0
	2	webdriver-downloader		^6
		xtest-data		^4.2
		multilint		^5.0.0
		fluvio-cli		^4.0.2
	1	pxr_build		^5.0
		gitstats		^6.0.0
		mdbook-fishextract		^4
		mdbook-tectonic		^4
650		bebop-tools	optional	^4.2
		cargo-atcoder		^4.2.2
		fix-name-case		^4.4.0
		gasm		^4.3.0
		git2ext		^4
		txtpp		^5.0.0
	1	headless_chrome_fork		^3.0
		ludusavi		^4.4.0
		soroban-cli-hcnet-test1		^4.4.0
		hashdeep-compare		^4.1.0
	1	grafbase-local-server		^4
		hypr-helper		^4.4.0
		bingen		^4.2.2
		doteur		^5.0.0
		eldiron-cli		^4.4.0
		fakepty		^4.4.0
		magicpak		^4.3
	1	dexterous_developer_builder		^6
	2	fugue-ghidra		^4
	3	libicsneo-sys	build	^4.3.0
		ftrace		^4.0.2
		yt-parallel		^6.0.0
		envshim		^4.4.0
	2	fugue-idapro		^4
		image_captioner		^5.0.0
	3	jabba-lib		^4.2.5
	2	nassun		^4.0.2
		netbrowse		^4.2.2
		soroban-cli-hcnet-test3		^4.4.0
		charcoal-dict		^6
		contemplate		^5.0.0
		great		^4.1.0
		kiwi-cli		^4.2.2
	1	libafl_qemu_build		^4.4
		tab		^4.0
		ca_injector		^4
		chromiumoxide_fork		^4
		gctx		^4
		mirror-cli		^4.0
		gistit-cli		^4.2.4
	2	land-runtime		^4.4.0
		loam-soroban-cli		^4.4.0
		grc-rs		^4.2.2
	1	pdb_wrapper	build	^4.1.0
		feofetch		^4.2
		findpython		^4.4.0
		fts_depends		^4.3.0
	1	gdlogue		^4.1.0
600	14	gdnative_bindings_generator	optional	^4
		gourgeist		^4.4.2
	3	fbthrift_compiler		^4.2.4
		libafl_cc	build	^4.4
		memflowup		^4.0.2
		seraphite		^3.1
		vehicle-signals	build	^4.2.2
	2	odata_client_codegen		^4.0
		terraform-zap		^2.0.0
		asciinema		^6.0.0
		browsers		^4.4
		cargo-watch-plus		^4.4.0
		docker-archive		^4.2.5
		monade-mprocs		^4.2.5
		precious-command		>=3.0.0, <5.0.0
		s-crap		^2
		wrestic		^4.4.0
		headless_chrome_new		^4.0
		http-cmd		^6.0.0
		kpathsea		^4.0.1
		pidcat		^4.4.0
		cargo-executable-payload		^4.2.2
	1	easywind		^4.4.0
		hashira-cli		^4.4.0
	1	informalsystems-prost-build	build	^4
		nozomi-i3-workspace		^3.1
		substrate-manager		^4.4.0
		sunfish		^4
		cargo-hongg		^4.1
		latexml-runner		^4.0.0
		neopkg		^4.2.4
		ntro		^4.4.0
		rust_swig		^3.0
		stromatekt		^4.4
		termvid		^4.4.0
		tittle		^4.0.2
		treefmt		^4.0.2
		wasmerenv		^4.4.0
		coloursum		^3.1.1
		eadb		^4
		glory-cli		^5.0
		one_password		^1.0
		tapir-cwtch		^4.0.2
		trunk-ng		^5
		venv-wrapper		~4.2.2
	1	wasmer-engine-native-near		^4.0
		cargo-format		^4.2.2
		gl-signerproxy		^4.0.2
		shadowsocks-gtk-rs		^4.2.5
		cargo-atcoder-extend		^4.2.2
		comet-cli		^4.3.0
		git-uncommit		^4.2.2
		gitconf		^4.2.4
	1	ha-utils		^4.4.0
		mdbook-scientific		^4
		steam_randomiser		^5.0.0
		sub-batch		^5
		vcs_version		^6.0.0
		cydonia	build	^5.0.0
		gmg		^4.3.0
		toster		^5.0.0
		jolly		^4.4.0
		packler		^4
		buddy		^4.4.0
		cargo-native-install		^4.0.2
		cargo-osdk		^6.0.0
		collie-app-cli		^4
		eclair-builder		^4.4.0
		exers		^4.4.0
		macos-config-check		^4.0.2
		opup		^5.0
	2	rdk-sys	build	^4.2.5
	1	songww-harfbuzz-sys	build	^4.2
	1	vicuna-runtime		^4.4.0
		cargo-fnstack		^4.4.0
		cargo-pack-docker		^3.0.0
		dont		^4.2.4
		ffiber		^4.1.0
		leafbuild		^4.0
		powerplug		^4.0.2
		sirun		^4.0.2
		sops-batch		^4.2.5
	1	trunk-build-time		^4
		calm		^1.0.2
		fjf		^4.4.0
		hax-subcommands		^4.4
		land-cli		^4.4.0
		launchify		^4.0.2
		lingua-franca		^5.0
		cargo-eosiocontract		^4.2.4
		cargo-flutter		^3.1.0
		rustywitness		^4.2.2
		sentencepiece-model	build	^5.0.0
		soroban-cli-hcnet-test		^4.4.0
		wtf-rlsr		^3.1.0
	1	assemble-rust		^4.2.5
		cargo-fvmc		^4.2.2
	1	rusty_v8_protryon	build	^3.1.1
		wasmer-engine-native-asml-fork		^4.0
		dano		^6.0.1
		janet-rs-sys	build	^4.4.2
		pacaptr		^6.0.0
		pnmixer-rs		^1.0.2
	2	creator-tools		^4.0
		cutools	build	^4.0
	1	fugue-radare		^4
		hull		^1.0
		realia		^4.0.1
		rops-cli		^6
		rsu		^4.2.4
		rusht		^4.3.0
		timpack-cli		^3.0.0
		vault-mgmt		^4.4.0
		wazzup		^6.0.0
		butido		^4
		cclip		^4.0
	1	comtrya-lib		^5.0
		parse-sap-odata		^4.0
		airgorah		^6
		awsconnect		^4.2.4
		cargo-qaf		^4.4.0
		gptui		^5.0.0
		grumpkin-msm	build	^4.0
		hegdeatri-util		^4.4.0
		loopy		^4.2.1
		dpy		^4.3.0
		llvm-symbolizer-rust-wrapper		^5
		opa-macros		^4.2.4
		quickscript		^5.0.0
		radb_client		^6.0.0
		shim		^4.3.0
		shrink-ray		^5.0.0
		the-daily-stallman		^4.0
		virtualenv-rs		^4.4.2
	1	crossbundle-tools		^4.2
		precious-exec		>=3.0.0, <5.0.0
		qaf		^4.4.0
		spongbobcli		^4.2.4
		system-updater		^4.4.0
		autocast		^4.4
		chrome-remote-interface		^4.1
		chromedriver-autoinstaller		^4
	1	cnf-lib		^4.4
		cynthia_cms		^5.0.0
	1	safir-core		^4.4.0
		topgrade-rs		^4.1
		watchserve		^4
		alter-ego		^3.1.0
		anime-dl		^6.0.0
		glv		^4
		railwayapp		^4.4.0
		shellrs		^4.2.2
		android-cli		^4.4.0
		apivolve		^4.4.0
		btsnoop-extcap		^5.0.0
		dvm		^5.0.0
		phpup		^4.2.4
		plow_cli		^4
		statehub		^4.1
		xop		^4.4.0
	1	xvc		^4.4
		august-build		^6
		dbang		^4
		pazi		^3
		radamsa	build	^4.2.2
		repoman		^4.4.0
		rhis		^4.0
		rllvm		~4.4.0
		rockerize		^4.0.1
		runfile		^6.0.0
		rusty_v8_m	build	^3.1.1
		scarb		^4.4.0
		sloth256-189	build	^4.2.2
		age-plugin-yubikey		^4.1
		prost-msg-build		^4
		rdkit-sysm	build	^4.2.5
		runme		^4.2
		uff		~4.3
		ankiding		^4.4
		auto_project		^5
		aws-login		^4.2
		mph		^4.2.5
		payload		^4.4.0
		quickenv		^4.2.5
		reddsaver		^4.2.2
		tax		^4.0.1
		asdfler		^4.4.0
		avatar-cli		^4.0
		raydiance		^4.4.0
		rexcli		^4.0
		rattler-build		^5.0.0
		remotemob		^4.2
		rogcat		^2.0.1
		adbook		^4.2.2
		bru		^4.4.0
		slap-cli		^4.0.2
		codebase		^4.0.1
		st-cli		^4.0
		ananc		^4.3.0
		hy		^4.0.2
	4	mitex-spec-gen	build	^5.0.0
		rust-concurrent		^6
		wrestic-rs		^6.0.1
460	1	playdate-bindgen	optional	^6.0
440		ffsend	optional	^4.0
430		autd3-link-visualizer	optional	^6.0.0
130	1	libtest-with	optional	^5.0
100	2	clipboard-ext	optional	^3.1
	2	couchbase-lite-core-sys	optional build	^4.2.1
	4	dexterous_developer_internal	optional	^6
		embedder	optional	^5.0.0
		blazesym-c	optional build	^6.0.0
	2	android-tools	optional	^4.2.5
		autd3-link-monitor	optional	^4.4.0
		humblegen	optional	^3
		opa	optional	^4.2.4
	1	symcc_libafl	optional	^4.4
		ts-bindgen	optional	^4.2.2
		wof	optional	^3.1.0
128K	16	aws-lc-rs	dev	=4.4.0
32K	5	serde-generate	dev	^4.1.0
25K	1	just	dev	^6.0.0
12K		cargo-sweep	dev	^4.3.0
9.5K		cargo-auditable	dev	^4.3.0
2.0K		maturin	dev	^6.0.0
2.0K		bpf-linker	dev	^6.0.0
1.7K	3	bgpkit-parser	dev	^6
850	2	holochain_cli_sandbox	dev	^4.4.0
750	10	soroban-spec-tools	dev	^4.4.0
650	2	log4rs-syslog	dev	^2.0
650	1	soroban-rpc	dev	^4.4.0
550		remi-azure	dev	^6.0.1
480	1	ublox_derive	dev	^4.4.0
350	2	stellar-rpc-client	dev	^4.4.0
320		hdfs-native-object-store	dev	^4
300	1	heim-process	dev	~3.1
280	1	tor-interface	dev	>=4.4.2, <=5.0.0
230		mustang	dev	^6.0.0
190	2	distant-ssh2	dev	^4.4.0
190		gosling	dev	>=4.4.2, <=5.0.0
130	1	ghrepo	dev	^6.0.0
120		soroban-test	dev	^4.4.0
120	2	ckb-gdb-remote-protocol	dev	^1.0.3
110	2	serde-generate-aptos	dev	^4.1.0
	3	eyra	dev	^6.0.0
	1	aptos-sdk-builder	dev	^4.2.5
		ckb-vm-contrib	dev	^4.3.0
		transaction-builder-generator	dev	^4.2.5
		torrust-index-backend	dev	^4.4
	1	zifu_core	dev	^4.2.2
		cargo-samply	dev	^6.0.0
		caterpillar	dev	^4.4.2
	1	zicsv	dev	^2.0
		torrust-index	dev	^4
		repomd	dev	^4
		age-plugin-ledger	dev	^4.4.0