memmap2

memmap2 is used at run time in 4,325 crates (of which 1,344 optionally). It is a direct run-time dependency in 483 crates. It's used at build time in 66 crates (of which 5 optionally, ). It's used only as a dev dependency in 450 crates (of which 29 directly).

Number of dependers	memmap2 version	Downloads/month
1,851	0.9.5	2.7M
5	0.8.0	103K
221	0.7.1	119K
180	0.6.2	102K
2,443	0.5.10	1.7M
19	0.3.1	18K
93	0.2.3	147K
29	0.1.0	8.3K

Depender (with downloads and own rev deps)			memmap2 version
8.3M	37	addr2line	optional	^0.9.4
2.5M	580	blake3	optional	^0.9
762K	31	smithay-client-toolkit		^0.9.0
718K	18	symbolic-common		^0.9.0
692K	4	gix-ref		^0.9.0
607K	5	gix-pack		^0.9.0
602K	8	gix-index		^0.9.0
590K	5	gix-commitgraph		^0.9.0
749K	753	winit	optional	^0.9.0
644K	35	maxminddb	optional	^0.9.0
211K	23	polars-io		^0.9
208K	13	polars-plan		^0.9
203K	7	parity-db		^0.5
201K	60	solana-frozen-abi		^0.5.10
187K	14	libbpf-cargo		^0.5
145K	16	honggfuzz		^0.9
364K	6	sctk-adwaita	optional	^0.9.0
120K	15	grep-searcher		^0.9.0
108K	23	wasmer-compiler		^0.6
316K	44	fontdb	optional	^0.9
102K	15	shared-buffer		^0.6.1
298K	80	tantivy	optional	^0.9.0
89K	34	dynasmrt		^0.9.5
77K	10	measureme		^0.2.1
76K	3	polars-mem-engine		^0.9
218K	27	polars-utils	optional	^0.9
188K	43	softbuffer	optional	^0.9.0
51K	1	polars-stream		^0.9
45K	77	candle-core		^0.9.3
39K	5	blazesym		^0.9
38K	60	solana-runtime		^0.5.10
37K	2	solana-bucket-map		^0.5.10
31K	17	solana-accounts-db		^0.5.10
82K	21	cacache	optional	^0.5.8
25K	1	sd		^0.9.0
78K	64	tch	optional	^0.6.1
23K	1	sapling-streampager		^0.5.10
21K	20	sc-chain-spec		^0.9.3
20K	2	async_http_range_reader		^0.9.0
21K	7	ug		^0.9.5
63K	28	xkbcommon	optional	^0.9.0
19K		mmap-sync		^0.9.4
19K	4	solana-genesis-config		^0.5.10
15K	1	python-oxidized-importer		^0.5.8
14K		sccache		^0.9.4
12K	5	minidump-writer		^0.9
13K	9	wasmer-engine		^0.5
11K		lgalloc		^0.5
12K	7	wasmer-engine-near		^0.5
9.5K		komac		^0.9.5
8.8K	19	tract-onnx		^0.9
8.0K		cargo-bloat		^0.9
22K	21	cranelift-jit	optional	^0.2.1
7.3K	8	minidump		^0.9
17K	28	fluvio-future	optional	^0.9.4
17K	15	lindera-dictionary	optional	^0.9.5
5.8K	11	merkletree		^0.5.7
5.6K	23	bellperson		^0.5.8
5.5K	3	arroy		^0.9.4
5.0K	6	filecoin-proofs		^0.5.6
5.0K	8	storage-proofs-core		^0.5.6
4.9K	5	storage-proofs-porep		^0.5.6
4.9K	2	storage-proofs-update		^0.5.6
15K	11	pdf	optional	^0.5.0
14K	1	raft-engine	optional	^0.9
4.5K	4	rattler		^0.9.5
13K	1	i-slint-backend-linuxkms	optional	^0.9.4
2.8K	3	linera-wasmer-compiler		^0.6
2.6K	1	glycin-utils		^0.9.0
2.6K		glycin		^0.9.0
2.5K		jaq		^0.9
2.5K	4	anise		^0.9.4
2.4K		samply		^0.9.4
2.4K		file_rw		^0.9.4
2.3K	1	giga-segy-in		^0.9
2.3K		memvec		^0.5.3
2.2K	9	linicon		^0.5
2.0K	10	osmpbf		^0.5
1.9K	1	wellen		^0.9.5
1.8K	1	rapiddb		^0.9
1.8K	2	libwayshot		^0.9.0
5.8K	2	tor-dirmgr	optional	^0.9.0
1.7K	3	wholesym		^0.9.4
1.7K	2	flatdata		^0.5.7
1.6K		broot		^0.9
1.6K	10	remoteprocess		^0.9.4
1.5K		cdx		^0
1.4K	2	jammdb		^0.9.0
1.4K		ricat		^0.9.4
4.9K	5	minidump-unwind	optional	^0.9
1.4K	2	rustc_data_structures		^0.2.1
1.4K		ip2location		^0.9
1.4K	1	perf-event2		^0.9
1.4K	3	rustpython-stdlib		^0.5.4
1.3K		seekstorm		^0.9.5
4.3K	5	rattler_repodata_gateway	optional	^0.9.5
3.8K	3	gstuff	optional	^0.9
1.0K	2	graph_builder		^0.5.10
1.0K		jw		^0.9.5
900	16	miraland-frozen-abi		^0.5.10
900		tokengeex		^0.5.2
850	1	ra_ap_proc_macro_srv		^0.5.4
850	1	extindex		^0.9
850		typst-preview		^0.9.4
800		veresiye		^0.9.4
750	2	sugarloaf		^0.9.3
750	1	ra-ap-rustc_data_structures		^0.2.1
750		deduplicator		^0.5.8
750	1	file-chunker		^0.5.2
700		tmsoft_dbase		^0.9.5
700		streampager		^0.5.5
700		sparkl3d		^0.5
700	5	transient-btree-index		^0.5
650	1	semaphore-rs-ark-zkey		^0.9
2.5K	3	raphtory	optional	^0.9.4
650	2	piecrust		^0.7
650		cdb2		^0.9.1
2.4K	3	gvdb	optional	^0.9
600		packbed		^0.9.4
600		packetry		^0.9.4
600	3	git-ref		^0.5.0
550		krapslog		^0.9.0
550	2	sourmash		^0.9.5
550	1	cfpyo3_rs_core		^0.9.5
550		neptune-cash		^0.9
550	3	ironfish-bellperson		^0.5.8
550	2	miraland-bucket-map		^0.5.10
550	3	cyfrin-foundry-compilers		^0.9
500		ps-mmap		^0.9.4
500	1	rustscout		^0.9.0
500		qsv		^0.9
1.9K	7	rten	optional	^0.9.4
480	1	qemu-display		^0.9.5
470		sicd-rs		^0.5.10
470	18	rustc-ap-rustc_data_structures		^0.2.1
460		thorin-dwp-bin		^0.5.0
440	2	waycrate_xkbkeycode		^0.9.5
440	1	uu_tac		^0.9.4
430	2	kornia-io		^0.9.4
420		fast_symspell		^0.9.5
420	1	heh		^0.9.4
420		kornia-rs		^0.9.4
380		gguf-utils		^0.9
380	21	miraland-runtime		^0.5.10
380		disk-dlmalloc		^0.9
370		repa		=0.9.5
370		possum-db		^0.9.0
370	1	rosbag		^0.9
370	1	libwaysip		^0.9.4
370		fshasher		^0.9
360		ai00-core		^0.9
360		verneuil		^0.5
360		disk-chan		^0.9.5
350	2	git-pack		^0.5.0
340	6	llm-base		^0.5.10
340		riff-io		^0.6
340		storable_vec		^0.9.5
1.5K	1	typst-ts-compiler	optional	^0.5
320		kbvm-cli		^0.9.5
310	13	miraland-accounts-db		^0.5.10
300	1	disk		^0.9.0
300	1	ark-zkey		^0.9
300	2	py-spy		^0.9.4
290		heavykeeper		^0.9.5
290	4	candle-datasets		^0.9.3
290		tensor-man		^0.9.5
290	1	libafl_qemu		^0.9.5
280	3	commitlog		^0.5
280	2	git-index		^0.5.0
280	1	timsrust		^0.9.3
270	4	graphannis-core		^0.9
270		pasture-io		^0.7.1
260	2	dynamic-loader-cache		^0.9
260		rbspy		^0.9.5
260		disarm64-cli		^0.9
260	8	cu29-unifiedlog		^0.9.5
1.2K	4	infinitree	optional	^0.9.5
1.2K	3	floem-winit	optional	^0.9.0
260		regex-cli		^0.9.4
250		rlgym_sim_rs		^0.9.4
240	1	rsonpath-lib		^0.9.5
240		smn_arch		^0.6.2
240		shmy		^0.9
230		simdphrase		^0.9.5
230	11	waffles-solana-frozen-abi		^0.5.8
230	1	faimm		^0.9
230	2	spacetimedb-commitlog		^0.9.4
1.2K	6	finalfusion	optional	^0.9
1.1K	9	maildir	optional	^0.5.8
220		sketchlib		^0.9
220		binary-security-check		^0.9
220		data-pile		^0.2.1
1.0K	5	rarena-allocator	optional	^0.9
190	10	safecoin-frozen-abi		^0.5.3
190		hck		^0.9.5
1.0K		portable-network-archive	optional	^0.9.5
180		tsfind		^0.9
180		minidump-debugger		^0.8.0
180		shmap		^0.9
170	2	spytools		^0.9.5
170	2	nitf-rs		^0.5.10
160	1	driverkit		^0.5.10
160		nut		^0.9.3
150		fst-bin		^0.5.10
150	1	rpkg-rs		^0.9.5
150	2	tract-tensorflow		^0.9
150		docker-repack		^0.9.4
150		rotonda		^0.9.4
950	1	fedimint-tor-dirmgr	optional	^0.9.0
150		rust_abf		^0.9.5
150		nasadem		^0.7.1
150	3	readfilez		>=0.5, <=0.10
140	1	isr-cache		^0.9
140	2	isr-dwarf		^0.9
140	1	platform-mem		^0.5
140	2	wasmer-engine-x		^0.5
140		semilattice-script		^0.5
130		app_input		^0.9.5
130		blake2_bin		^0.9.5
130		bao_bin		^0.9.5
130		rust-spy		^0.7.1
130	9	gemachain-frozen-abi		^0.5.0
900	1	anybytes	optional	^0.9.4
120		drcov2lcov		^0.9
120		rawtojpg		^0.9.5
120	2	fluke-buffet		^0.9.4
120		ser-io		^0.6
120	1	vmi-driver-xen-core-dump		^0.9
120		rldd		^0.5.7
120	1	vmi-driver-kdmp		^0.9
120	2	dset		^0.9.5
120		ipmpsc		^0.2
120		csv2xlsx-pro		^0.9.5
120		measureme-mirror		^0.2.1
120		pnafs		^0.9.5
110		naluacq		^0.7.1
850	1	shakmaty-syzygy	optional	^0.9
850	107	miraland-sdk	optional	^0.5.10
110	1	osmnodecache		^0.9
100	1	pigdb		^0.5
100		bitcasky		^0.9.3
100	1	wasmer-engine-unc		^0.5
100	4	box-format		^0.5
100		safetensors-browser		^0.9.5
		lsm		^0.9
		sokudo		^0.9
	2	vineyard		^0.7
		tgrep		^0.2
	2	faiquery		^0.7.1
	2	zerostash-files		^0.7.1
		git-commitgraph		^0.5.0
	1	alloc_cat		^0.9.4
		gia		^0.9.4
		get-all-crates		^0.9
	5	file_mmap		^0.9.0
	2	librqbit		^0.9.4
	2	rocketmq-store		^0.9.5
	1	waffles-solana-bucket-map		^0.5.8
		bugstalker		^0.9.0
		shm-snapshot		^0.9
	18	waffles-solana-runtime		^0.5.8
		osmflatc		^0.9.0
	2	rune-fs		^0.7.1
		utrace_parser		^0.9.4
	1	ddbug_parser		^0.9.4
	2	ezlog		^0.6
	1	profiler-symbol-server		^0.5.0
	1	unc-vm-engine		^0.5
		dwat		^0.5.5
	1	a653rs-linux-core		^0.9
		czdb		^0.9.5
		font-index		^0.2.1
650	1	fontique	optional	^0.9.5
	11	gemachain-runtime		^0.5.0
		ogawa-rs		^0.5.8
		bbolt-rs		^0.9.4
		stupidalloc		^0.7.1
		a653rs-linux		^0.9
	1	mmap-bitvec		^0.5
	2	tetsy-db		^0.2
	1	cyfs-chunk-lib		^0.5.0
	1	gemachain-bucket-map		^0.5.0
		rs2-cache		^0.5
600		taboc	optional	^0.9.5
	1	tac-k-lib		^0.9
		mmap_buffer		^0.5.10
		geomedea		^0.9.0
	2	divvunspell		^0.5.0
	2	nwn-rs-types		^0.5.3
		shmem-ipc		^0.5.8
		bbqvec		^0.9.5
		lite_db		^0.7.1
	1	wikimedia-store		^0.5.10
		wl-gammarelay-rs		^0.8
		fusta		^0.5
	2	diffusion_rs_common		^0.9.5
600	3	rio-window	optional	^0.9.5
		udbg		~0.5
		quick-file-transfer		^0.9.4
		raphy		^0.5.4
	1	safecoin-bucket-map		^0.5.3
	2	gonk-database		^0.5.5
	13	jomy-ap-rustc_data_structures		^0.2.1
		tetengo_trie		^0.9.5
		btrd		^0.9
		rofuse		^0.5.0
	2	runa-core		^0.5.7
	11	safecoin-runtime		^0.5.3
		wired		^0.1.0
	1	comet-gc		^0.5
		tblcompare		^0.5.10
		landfill		^0.7.1
	1	runa-orbiter		^0.5.7
		shelfie		^0.5
	2	diffuse_rs_common		^0.9.5
		nitv		^0.5.10
		ftldat		^0.5.10
	4	hc-wasmer-compiler		^0.5
		wt_blk		^0.9.4
		mmap-vecdeque		^0.9
		forest-filecoin		^0.9
	1	papyrus_storage		^0.8.0
		pkcs12cracker		^0.9.5
		pyroscope-rbspy-oncpu		^0.9.3
	1	seal		^0.5.0
		walnut		^0.9.0
	1	bbachain-frozen-abi		^0.5.3
		boh		^0.5
		crunchert-storage		^0.9.5
		dominion-chat		^0.5
		elf-info		^0.5.7
		libharuhishot		^0.9.5
	1	wayrs-shm-alloc		^0.5
	1	annoy-rs		^0
		coaly		^0.5.7
	1	datatier		^0.5.8
		messloc		^0.5.7
		ru_annoy		^0
		bitcasky-database		^0.9.3
		brew-moonshine		^0.6.1
		deflect		^0.5.7
		xt		^0.9.0
	6	jubako		^0.9.4
		libloc		^0.9
		moz_genai		^0.5
		pyrrhic-rs		^0.9.4
		solana-snapshot-etl		^0.5.4
		cacache-sync		^0.5
		gazo		^0.5.4
		chromsize		^0.9.4
	1	mmapcell		^0.9.4
		mod-compatibility-checker		^0.5
		whistlinoak		^0.5
		bevy-histrion-packer		^0.9.5
		bracken		^0.9.4
	4	buffet		^0.9.4
		strmap		^0.5.8
		amnesimmap		^0.5.8
		arwtojpg		^0.9.4
	1	fugue-radare		^0.9
	1	hkalbasi-rustc-ap-rustc_data_structures		^0.2.1
		mdb		^0.3.1
		samply-server		^0.5.0
		hongg		^0.7
		mmap-cache		^0.5
		ba2		^0.9.0
		moxi		^0.5.10
		ckb-vm-aot		^0.5
		dircs		^0.9.5
		disk-ringbuffer		^0.9.4
		rpi-led-panel		^0.9.4
	1	sapling-indexedlog		^0.5.10
		tree-sitter-grep		^0.5.3
	1	xabc-lib		^0.9.5
		backpak		^0.9
	3	below-store		^0.5.10
		binocle		^0.5.0
	3	cbe-frozen-abi		^0.5.8
		csep		^0.9.4
		elfpromote		^0.5.5
	2	luminal		^0.7.1
	2	lurk		^0.5.10
		mmap-append		^0.9.0
		otadump		^0.5.10
		ragtime		^0.9.4
		rattler-build		^0.9.5
		rsbkb		^0.9
		sparkl2d		^0.5
		wz_reader		^0.9.4
		atos-astrolabe		^0.5.10
	1	bvr-core		^0.9
	2	crabml		^0.7.1
	1	imdb-index		^0.9.1
	2	loam		^0.9
	2	netidx-archive		^0.9
		obstinate		^0.7.1
		one_billion_rows_challenge		^0.9.3
		rustpotion		^0.9.5
		rusty-dawg		^0.9.5
		yolors		^0.9.3
		ziggy-honggfuzz		^0.5
		cca-realm-measurements		^0.9.5
		codevis		^0.5.7
		diskann-rs		^0.5
		ledger-kv		^0.9.0
		palace		^0.9.0
	1	puzzlefs-lib		^0.9.4
		sqlite-parser-nom		^0.5.8
	1	tree_sitter_lint_tree-sitter-grep		^0.5.3
		EasyDist		^0.9.4
		bitkv-rs		^0.9.4
		candle-core-temp		^0.7.1
		cpp-deps		^0.9.4
	1	crabml-llama2		^0.7.1
		ebcandle-core		^0.9.3
		honggfuzz-ziggy		^0.5
	8	jupnet-frozen-abi		^0.5.10
		lightswitch-object		^0.9.5
		lua-perf		^0.8.0
		meowstore_bindb		^0.9.4
		nexus2fa		^0.9.4
		nx-pkg4		^0.9.5
		polars-readlines		^0.9.0
		pystse		^0.5
		safetensors-cli		^0
	2	selium-log		^0.9
		tokengrams		^0.9.4
	3	ttkmd-if		^0.7.0
		vexis		^0.5.10
		ziggy-honggfuzz-1		^0.5
		ziggy-honggfuzz-2		^0.5
440	1	virtio-driver	optional	<0.10
400	2	deft-winit	optional	^0.9.0
360		wright	optional	^0.9.3
280	13	sanakirja	optional	^0.9
260	5	seekable-async-file	optional	^0.5
220	64	waffles-solana-sdk	optional	^0.5.8
210	1	boreal	optional	^0.9
190	5	dfdx	optional	^0.5
160	50	safecoin-sdk	optional	^0.5.3
120	47	gemachain-sdk	optional	^0.5.0
100		include_file_compress	optional	^0.9.4
		summavy	optional	^0.5.3
	1	image2	optional	^0.5
		ipdb-rust	optional	^0.5.0
	4	wayrs-utils	optional	^0.9
		libremarkable	optional	^0.5.2
	2	fleek-blake3	optional	^0.7.1
	1	lento-winit	optional	^0.9.0
		parse-mediawiki-sql	optional	^0.5.0
		aol	optional	^0.9
		binreader	optional	^0.3.0
	4	cbe-sdk	optional	^0.5.8
		cilium	optional	^0.9.4
		data_reader	optional	^0.5.5
		ddevmem	optional	^0.9.5
		dynbytes	optional	^0.9.4
	3	exocore-chain	optional	^0.9.4
		ferroc	optional	^0.9
		fluence-blake3	optional	^0.9
	1	hid-io-core	optional	^0.5
	2	izihawa-tantivy	optional	^0.9.4
		ligmars	optional	^0.8.0
	1	line_cardinality	optional	^0.9
	2	linkspace-common	optional	^0.5.5
		lsys-lib-area	optional	~0.9
	1	mmap-wrapper	optional	^0.9.4
		objdiff-core	optional	^0.9
		object-rewrite	optional	^0.9.4
		outsource-heap	optional	^0.5.7
	1	paradedb-tantivy	optional	^0.7.1
	1	qsc-cranelift-jit	optional	^0.2.1
		rio-winit-fork	optional	^0.9.0
	4	sapling-minibytes	optional	^0.5.10
		segsource	optional	^0.3
	4	solomka-sdk	optional	^0.5.3
		tantivy-nightly	optional	^0.5.3
		textdb	optional	^0.9.4
	1	tiny-sdk	optional	^0.5.3
	1	vfs-tar	optional	^0.9
	1	wasm2map	optional	~0.5.10
1.1M	284	arrow	dev	^0.9.3
1.2M	24	arrow-ipc	dev	^0.9.3
147K	53	ndarray-npy	dev	^0.9
146K	41	safetensors	dev	^0.9
115K	4	hifijson	dev	^0.9
29K		sliceslice	dev	^0.5
21K	5	pdb-addr2line	dev	^0.9.0
10K	8	fastcdc	dev	^0.5.8
3.8K	1	pe-unwind-info	dev	^0.7
1.7K	2	samply-symbols	dev	^0.9.4
1.3K	5	routecore	dev	^0.9
1.1K	1	samply-api	dev	^0.9.4
800	4	mesh-loader	dev	^0.9
700	1	web-rwkv	dev	^0.9
650		sif-rtree	dev	^0.9
270	4	candle-examples	dev	^0.9.3
160		fastcdc-alt	dev	^0.5.8
150		zwp-virtual-keyboard	dev	^0.5
120		cpz	dev	^0.9.5
		web-rwkv-converter	dev	^0.9
	2	ripline	dev	^0.3.0
		ndarray-npz	dev	^0.9.5
		wgml	dev	^0.9.4
		smelte-rs	dev	^0.5
		fst-no-std	dev	^0.5.10
		sif-kdtree	dev	^0.9
		bcast	dev	^0.9.5
	1	sapling-util	dev	^0.5.10
		cuniq	dev	^0.9
	1	pystse-safetensors	dev	^0.5
		tropobase	dev	^0.9.4