memmap2

memmap2 is used at run time in 4,401 crates (of which 1,353 optionally). It is a direct run-time dependency in 496 crates. It's used at build time in 66 crates (of which 6 optionally, ). It's used only as a dev dependency in 450 crates (of which 29 directly).

Number of dependers	memmap2 version	Downloads/month
1,980	0.9.5	2.2M
6	0.8.0	91K
227	0.7.1	113K
168	0.6.2	101K
2,407	0.5.10	1.3M
19	0.3.1	17K
80	0.2.3	103K
30	0.1.0	7.5K

Depender (with downloads and own rev deps)			memmap2 version
6.7M	39	addr2line	optional	^0.9.4
2.1M	586	blake3	optional	^0.9
683K	31	smithay-client-toolkit		^0.9.0
583K	18	symbolic-common		^0.9.0
560K	4	gix-ref		^0.9.0
486K	5	gix-pack		^0.9.0
480K	8	gix-index		^0.9.0
470K	5	gix-commitgraph		^0.9.0
655K	765	winit	optional	^0.9.0
190K	23	polars-io		^0.9
188K	13	polars-plan		^0.9
526K	37	maxminddb	optional	^0.9.0
166K	60	solana-frozen-abi		^0.5.10
163K	14	libbpf-cargo		^0.5
163K	7	parity-db		^0.5
115K	16	honggfuzz		^0.9
318K	6	sctk-adwaita	optional	^0.9.0
94K	15	grep-searcher		^0.9.0
252K	44	fontdb	optional	^0.9
82K	23	wasmer-compiler		^0.6
247K	80	tantivy	optional	^0.9.0
76K	15	shared-buffer		^0.6.1
73K	33	dynasmrt		^0.9.5
195K	27	polars-utils	optional	^0.9
62K	3	polars-mem-engine		^0.9
59K	9	measureme		^0.2.1
153K	44	softbuffer	optional	^0.9.0
43K	1	polars-stream		^0.9
36K	77	candle-core		^0.9.3
31K	5	blazesym		^0.9
29K	61	solana-runtime		^0.5.10
29K	2	solana-bucket-map		^0.5.10
24K	18	solana-accounts-db		^0.5.10
65K	21	cacache	optional	^0.5.8
21K	4	solana-genesis-config		^0.5.10
19K	1	sapling-streampager		^0.5.10
59K	66	tch	optional	^0.6.1
19K	1	sd		^0.9.0
16K	2	async_http_range_reader		^0.9.0
17K	7	ug		^0.9.5
51K	28	xkbcommon	optional	^0.9.0
16K		mmap-sync		^0.9.4
16K	20	sc-chain-spec		^0.9.3
12K		sccache		^0.9.4
12K	1	python-oxidized-importer		^0.5.8
10K	5	minidump-writer		^0.9
10K	9	wasmer-engine		^0.5
9.8K	7	wasmer-engine-near		^0.5
9.7K	1	lgalloc		^0.5
7.0K	19	tract-onnx		^0.9
6.6K		komac		^0.9.5
19K	22	cranelift-jit	optional	^0.2.1
6.4K	5	fmmap		^0.9
6.3K		cargo-bloat		^0.9
6.2K	8	minidump		^0.9
4.8K	11	merkletree		^0.5.7
4.6K	23	bellperson		^0.5.8
13K	28	fluvio-future	optional	^0.9.4
14K	15	lindera-dictionary	optional	^0.9.5
4.3K	3	arroy		^0.9.4
4.1K	6	filecoin-proofs		^0.5.6
4.1K	8	storage-proofs-core		^0.5.6
4.1K	5	storage-proofs-porep		^0.5.6
4.0K	2	storage-proofs-update		^0.5.6
11K	1	raft-engine	optional	^0.9
3.6K	2	netidx-archive		^0.9
3.6K	4	rattler		^0.9.5
10K	11	pdf	optional	^0.5.0
10K	1	i-slint-backend-linuxkms	optional	^0.9.4
2.8K	8	deno_ffi		^0.9
2.4K		file_rw		^0.9.4
2.4K		memvec		^0.5.3
2.3K	3	linera-wasmer-compiler		^0.6
2.3K		forest-filecoin		^0.9
2.3K	1	glycin-utils		^0.9.0
2.2K		glycin		^0.9.0
2.2K		samply		^0.9.4
2.1K		jaq		^0.9
2.0K	9	linicon		^0.5
1.9K	1	giga-segy-in		^0.9
1.9K	6	anise		^0.9.4
1.9K		som		^0.9.5
1.8K	1	rapiddb		^0.9
1.7K	10	osmpbf		^0.5
5.1K	2	tor-dirmgr	optional	^0.9.0
1.5K		cdx		^0
1.4K	3	wholesym		^0.9.4
1.4K		ricat		^0.9.4
1.4K	2	libwayshot		^0.9.0
1.4K		broot		^0.9
1.4K	10	remoteprocess		^0.9.4
1.4K	2	flatdata		^0.5.7
1.3K	1	perf-event2		^0.9
1.3K	2	rustc_data_structures		^0.2.1
4.1K	5	minidump-unwind	optional	^0.9
1.1K		seekstorm		^0.9.5
1.1K	3	rustpython-stdlib		^0.5.4
1.0K		jw		^0.9.5
1.0K	1	wellen		^0.9.5
1.0K		ip2location		^0.9
3.5K	5	rattler_repodata_gateway	optional	^0.9.5
950	18	rustc-ap-rustc_data_structures		^0.2.1
3.2K	3	gstuff	optional	^0.9
900		dircs		^0.9.5
900		tokengeex		^0.5.2
850	1	ra_ap_proc_macro_srv		^0.5.4
850	2	sugarloaf		^0.9.3
850		typst-preview		^0.9.4
750	16	miraland-frozen-abi		^0.5.10
750		tmsoft_dbase		^0.9.5
750	1	ra-ap-rustc_data_structures		^0.2.1
750	2	graph_builder		^0.5.10
750		deduplicator		^0.5.8
700	2	jammdb		^0.9.0
700	1	extindex		^0.9
700	1	semaphore-rs-ark-zkey		^0.9
650	1	file-chunker		^0.5.2
650		neptune-cash		^0.9
650		cdb2		^0.9.1
600	2	piecrust		^0.7
600		packbed		^0.9.4
600	5	transient-btree-index		^0.5
600		packetry		^0.9.4
550	1	cfpyo3_rs_core		^0.9.5
550		krapslog		^0.9.0
550	3	git-ref		^0.5.0
550	3	cyfrin-foundry-compilers		^0.9
500		streampager		^0.5.5
500	3	ironfish-bellperson		^0.5.8
500	2	miraland-bucket-map		^0.5.10
500	2	sourmash		^0.9.5
500		sparkl3d		^0.5
480		possum-db		^0.9.0
470		qsv		^0.9
460		thorin-dwp-bin		^0.5.0
1.8K	3	gvdb	optional	^0.9
420		shmy		^0.9
420		kornia-rs		^0.9.4
390		repa		=0.9.5
390	1	libwaysip		^0.9.4
1.6K	5	rarena-allocator	optional	^0.9
380		disk-dlmalloc		^0.9
370	2	kornia-io		^0.9.4
360		disk-chan		^0.9.5
350	1	heh		^0.9.4
350	2	waycrate_xkbkeycode		^0.9.5
350	21	miraland-runtime		^0.5.10
1.5K	7	rten	optional	^0.9.4
340	2	git-pack		^0.5.0
340	1	rosbag		^0.9
340		verneuil		^0.5
1.5K	1	typst-ts-compiler	optional	^0.5
320		heavykeeper		^0.9.5
320	4	candle-datasets		^0.9.3
300	1	disk		^0.9.0
300		shmap		^0.9
300		rbspy		^0.9.5
280	1	ark-zkey		^0.9
270	1	uu_tac		^0.9.4
270		pasture-io		^0.7.1
270	2	py-spy		^0.9.4
270	2	git-index		^0.5.0
260		ai00-core		^0.9
260	1	timsrust		^0.9.3
1.2K	4	infinitree	optional	^0.9.5
260	13	miraland-accounts-db		^0.5.10
1.2K	1	shakmaty-syzygy	optional	^0.9
250	6	llm-base		^0.5.10
250	2	dynamic-loader-cache		^0.9
250		rlgym_sim_rs		^0.9.4
240		smn_arch		^0.6.2
240		sparkl2d		^0.5
220		binary-security-check		^0.9
220	4	graphannis-core		^0.9
220		semilattice-script		^0.5
220	2	tract-tensorflow		^0.9
220	3	commitlog		^0.5
210	2	nitf-rs		^0.5.10
200	1	faimm		^0.9
1.1K	3	floem-winit	optional	^0.9.0
200	2	dset		^0.9.5
200		minidump-debugger		^0.8.0
200		data-pile		^0.2.1
200	1	rsonpath-lib		^0.9.5
200		kbvm-cli		^0.9.5
180		tsfind		^0.9
180	1	libafl_qemu		^0.9.5
180	1	mehari		^0.9.5
170		rotonda		^0.9.4
170	5	brk_vec		^0.9.5
170	2	spytools		^0.9.5
170		nut		^0.9.3
170	11	waffles-solana-frozen-abi		^0.5.8
160	1	rpkg-rs		^0.9.5
160		gguf-utils		^0.9
150	1	qemu-display		^0.9.5
150		nasadem		^0.7.1
150	1	isr-cache		^0.9
150	2	isr-dwarf		^0.9
150	3	readfilez		>=0.5, <=0.10
140		disarm64-cli		^0.9
900	7	finalfusion	optional	^0.9
140	1	platform-mem		^0.5
130		app_input		^0.9.5
130		blake2_bin		^0.9.5
130		naluacq		^0.7.1
130		bao_bin		^0.9.5
130		rust-spy		^0.7.1
130		measureme-mirror		^0.2.1
130	1	alloc_cat		^0.9.4
130		ipmpsc		^0.2
130	10	safecoin-frozen-abi		^0.5.3
130	1	vmi-driver-xen-core-dump		^0.9
120	1	vmi-driver-kdmp		^0.9
850		portable-network-archive	optional	^0.9.5
120		sketchlib		^0.9
120	2	fluke-buffet		^0.9.4
120		ser-io		^0.6
120	2	spacetimedb-commitlog		^0.9.4
120		rldd		^0.5.7
120		csv2xlsx-pro		^0.9.5
120	1	osmnodecache		^0.9
110		filkoll		^0.9.5
110	2	rocketmq-store		^0.9.5
110	9	gemachain-frozen-abi		^0.5.0
110		codevis		^0.5.7
800	1	fedimint-tor-dirmgr	optional	^0.9.0
100	1	hkalbasi-rustc-ap-rustc_data_structures		^0.2.1
100	2	wasmer-engine-x		^0.5
100		fst-bin		^0.5.10
100		sokudo		^0.9
100	1	driverkit		^0.5.10
100		shm-snapshot		^0.9
100	1	wasmer-engine-unc		^0.5
100		safetensors-browser		^0.9.5
		lsm		^0.9
	2	vineyard		^0.7
		tgrep		^0.2
		veresiye		^0.9.4
	2	zerostash-files		^0.7.1
		git-commitgraph		^0.5.0
750		taboc	optional	^0.9.5
		stupidalloc		^0.7.1
	8	cu29-unifiedlog		^0.9.5
750	107	miraland-sdk	optional	^0.5.10
	2	faiquery		^0.7.1
		gia		^0.9.4
		get-all-crates		^0.9
700	9	maildir	optional	^0.5.8
		osmflatc		^0.9.0
		dwat		^0.5.5
	2	rune-fs		^0.7.1
		udbg		~0.5
	2	librqbit		^0.9.4
		utrace_parser		^0.9.4
	5	file_mmap		^0.9.0
		bbolt-rs		^0.9.4
		bbqvec		^0.9.5
	2	ezlog		^0.6
		shmem-ipc		^0.5.8
		hck		^0.9.5
		tetengo_trie		^0.9.5
		libloc		^0.9
	1	profiler-symbol-server		^0.5.0
	1	waffles-solana-bucket-map		^0.5.8
	1	unc-vm-engine		^0.5
	2	tetsy-db		^0.2
	18	waffles-solana-runtime		^0.5.8
		czdb		^0.9.5
		font-index		^0.2.1
		ogawa-rs		^0.5.8
	1	ddbug_parser		^0.9.4
		shelfie		^0.5
		rofuse		^0.5.0
	11	gemachain-runtime		^0.5.0
	1	mmap-bitvec		^0.5
	11	safecoin-runtime		^0.5.3
	1	gemachain-bucket-map		^0.5.0
	1	pigdb		^0.5
		riff-io		^0.6
		rs2-cache		^0.5
	1	tac-k-lib		^0.9
		mmap_buffer		^0.5.10
		quick-file-transfer		^0.9.4
		binocle		^0.5.0
	2	divvunspell		^0.5.0
		fast_symspell		^0.9.5
	2	nwn-rs-types		^0.5.3
		otadump		^0.5.10
		lite_db		^0.7.1
	1	wikimedia-store		^0.5.10
		wl-gammarelay-rs		^0.8
		simdphrase		^0.9.5
		wt_blk		^0.9.4
		fusta		^0.5
		elf-info		^0.5.7
	1	safecoin-bucket-map		^0.5.3
		docker-repack		^0.9.4
	2	gonk-database		^0.5.5
		nitv		^0.5.10
		btrd		^0.9
		ftldat		^0.5.10
		huffc		^0.9.5
	2	runa-core		^0.5.7
	1	comet-gc		^0.5
		tblcompare		^0.5.10
		landfill		^0.7.1
		bugstalker		^0.9.0
	1	bbachain-frozen-abi		^0.5.3
		ps-mmap		^0.9.4
550	3	rio-window	optional	^0.9.5
	4	box-format		^0.5
		sqlite-parser-nom		^0.5.8
	1	papyrus_storage		^0.8.0
		rawtojpg		^0.9.5
		rust_abf		^0.9.5
		walnut		^0.9.0
		boh		^0.5
		crunchert-storage		^0.9.5
	6	jubako		^0.9.4
		libharuhishot		^0.9.5
	1	mmapcell		^0.9.4
	1	wayrs-shm-alloc		^0.5
	1	annoy-rs		^0
		coaly		^0.5.7
	1	datatier		^0.5.8
		messloc		^0.5.7
		pyroscope-rbspy-oncpu		^0.9.3
	1	sapling-indexedlog		^0.5.10
		arwtojpg		^0.9.4
		bitcasky-database		^0.9.3
		brew-moonshine		^0.6.1
		deflect		^0.5.7
		drcov2lcov		^0.9
		moz_genai		^0.5
		pyrrhic-rs		^0.9.4
		solana-snapshot-etl		^0.5.4
		bitcasky		^0.9.3
		cacache-sync		^0.5
	2	diffusion_rs_common		^0.9.5
		gazo		^0.5.4
		regex-cli		^0.9.4
		chromsize		^0.9.4
	4	hc-wasmer-compiler		^0.5
		mod-compatibility-checker		^0.5
		whistlinoak		^0.5
		bracken		^0.9.4
		cca-realm-measurements		^0.9.5
		strmap		^0.5.8
	1	a653rs-linux-core		^0.9
		amnesimmap		^0.5.8
	4	buffet		^0.9.4
	3	cbe-frozen-abi		^0.5.8
		mdb		^0.3.1
		samply-server		^0.5.0
		ebcandle-core		^0.9.3
		mmap-cache		^0.5
		pnafs		^0.9.5
		rpi-led-panel		^0.9.4
		sicd-rs		^0.5.10
		storable_vec		^0.9.5
		a653rs-linux		^0.9
		bevy-histrion-packer		^0.9.5
500	1	fontique	optional	^0.9.5
	1	imdb-index		^0.9.1
		moxi		^0.5.10
	1	rustscout		^0.9.0
		safetensors-cli		^0
	1	bvr-core		^0.9
		ckb-vm-aot		^0.5
		disk-ringbuffer		^0.9.4
		dominion-chat		^0.5
	1	fugue-radare		^0.9
		mmap-vecdeque		^0.9
		pkcs12cracker		^0.9.5
		ru_annoy		^0
		tensor-man		^0.9.5
		tree-sitter-grep		^0.5.3
	1	xabc-lib		^0.9.5
		ba2		^0.9.0
		backpak		^0.9
	3	below-store		^0.5.10
		csep		^0.9.4
	1	cyfs-chunk-lib		^0.5.0
		elfpromote		^0.5.5
		hongg		^0.7
		ledger-kv		^0.9.0
	2	luminal		^0.7.1
		mmap-append		^0.9.0
		ragtime		^0.9.4
		rattler-build		^0.9.5
	1	runa-orbiter		^0.5.7
		wired		^0.1.0
		wz_reader		^0.9.4
		atos-astrolabe		^0.5.10
	2	crabml		^0.7.1
		fshasher		^0.9
		geomedea		^0.9.0
	2	loam		^0.9
		obstinate		^0.7.1
		one_billion_rows_challenge		^0.9.3
		rustpotion		^0.9.5
		rusty-dawg		^0.9.5
		ziggy-honggfuzz		^0.5
	2	lurk		^0.5.10
		palace		^0.9.0
	1	puzzlefs-lib		^0.9.4
		raphy		^0.5.4
		rsbkb		^0.9
	1	seal		^0.5.0
	1	tree_sitter_lint_tree-sitter-grep		^0.5.3
		xt		^0.9.4
		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
	2	diffuse_rs_common		^0.9.5
		diskann-rs		^0.5
		embedded-storage-file		^0.9.5
		honggfuzz-ziggy		^0.5
		jpgfromraw		^0.9.5
	8	jupnet-frozen-abi		^0.5.10
	1	libwild		^0.9.5
		lightswitch-object		^0.9.5
	1	linker-diff		^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
	2	selium-log		^0.9
		tokengrams		^0.9.4
	3	ttkmd-if		^0.7.0
		vexis		^0.5.10
		yolors		^0.9.3
		ziggy-honggfuzz-1		^0.5
		ziggy-honggfuzz-2		^0.5
440	1	virtio-driver	optional	<0.10
420		tempfs	optional	^0.9.5
410	13	sanakirja	optional	^0.9
410	2	deft-winit	optional	^0.9.0
360		wright	optional	^0.9.3
260	5	seekable-async-file	optional	^0.5
210	1	boreal	optional	^0.9
200		summavy	optional	^0.5.3
180	2	izihawa-tantivy	optional	^0.9.4
160	64	waffles-solana-sdk	optional	^0.5.8
160	5	dfdx	optional	^0.5
150	1	anybytes	optional	^0.9.4
140		fixed-size-buf	optional	^0.9
100	47	gemachain-sdk	optional	^0.5.0
100		ipdb-rust	optional	^0.5.0
	50	safecoin-sdk	optional	^0.5.3
	1	image2	optional	^0.5
	2	fleek-blake3	optional	^0.7.1
	4	wayrs-utils	optional	^0.9
		ferroc	optional	^0.9
		parse-mediawiki-sql	optional	^0.5.0
	3	exocore-chain	optional	^0.9.4
		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
		fluence-blake3	optional	^0.9
	1	hid-io-core	optional	^0.5
		include_file_compress	optional	^0.9.4
	1	lento-winit	optional	^0.9.0
		libremarkable	optional	^0.5.2
		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
	3	raphtory	optional	^0.9.4
		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
		squashfs-async	optional	^0.5.8
		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
1.0M	24	arrow-ipc	dev	^0.9.3
956K	286	arrow	dev	^0.9.3
138K	53	ndarray-npy	dev	^0.9
115K	41	safetensors	dev	^0.9
93K	4	hifijson	dev	^0.9
24K		sliceslice	dev	^0.5
18K	5	pdb-addr2line	dev	^0.9.0
8.7K	8	fastcdc	dev	^0.5.8
3.3K	1	pe-unwind-info	dev	^0.7
1.4K	2	samply-symbols	dev	^0.9.4
1.3K	5	routecore	dev	^0.9
950	1	samply-api	dev	^0.9.4
650	4	mesh-loader	dev	^0.9
550	1	web-rwkv	dev	^0.9
380		sif-rtree	dev	^0.9
310	4	candle-examples	dev	^0.9.3
180		fastcdc-alt	dev	^0.5.8
140		cpz	dev	^0.9.5
120		zwp-virtual-keyboard	dev	^0.5
		web-rwkv-converter	dev	^0.9
		wgml	dev	^0.9.4
	2	ripline	dev	^0.3.0
	1	ndarray-npz	dev	^0.9.5
		sif-kdtree	dev	^0.9
		smelte-rs	dev	^0.5
	1	sapling-util	dev	^0.5.10
		fst-no-std	dev	^0.5.10
		bcast	dev	^0.9.5
		cuniq	dev	^0.9
	1	pystse-safetensors	dev	^0.5
		tropobase	dev	^0.9.4