memmap2

memmap2 is used at run time in 3,909 crates (of which 1,146 optionally). It is a direct run-time dependency in 432 crates. It's used at build time in 53 crates (of which 5 optionally, ). It's used only as a dev dependency in 402 crates (of which 27 directly).

Number of dependers	memmap2 version	Downloads/month
1,499	0.9.5	2.5M
10	0.8.0	157K
279	0.7.1	368K
166	0.6.2	133K
2,289	0.5.10	2.2M
14	0.3.1	37K
75	0.2.3	202K
32	0.1.0	9.1K

Depender (with downloads and own rev deps)			memmap2 version
7.3M	36	addr2line	optional	^0.9.4
1.1M	33	dynasmrt		^0.9.5
1.1M	42	solana-frozen-abi		^0.5.10
2.7M	525	blake3	optional	^0.9
1.1M	610	solana-sdk	optional	^0.5.10
616K	18	symbolic-common		^0.9.0
495K	3	gix-ref		^0.9.0
457K	28	smithay-client-toolkit		^0.9.0
429K	5	gix-pack		^0.9.0
424K	6	gix-index		^0.9.0
413K	5	gix-commitgraph		^0.9.0
731K	31	maxminddb	optional	^0.9.0
214K	6	parity-db		^0.5
207K	15	honggfuzz		^0.9
163K	18	polars-io		^0.7
161K	12	polars-plan		^0.7
483K	704	winit	optional	^0.9.0
126K	12	libbpf-cargo		^0.5
109K	15	grep-searcher		^0.9.0
276K	75	tantivy	optional	^0.9.0
271K	4	sctk-adwaita	optional	^0.9.0
84K	9	measureme		^0.2.1
247K	38	fontdb	optional	^0.9
81K	21	wasmer-compiler		^0.6
236K	25	polars-utils	optional	^0.7
72K	15	shared-buffer		^0.6.1
53K	2	polars-mem-engine		^0.7
160K	38	softbuffer	optional	^0.9.0
40K	5	blazesym		^0.9
40K	69	candle-core		^0.9.3
30K	4	minidump-writer		^0.9
28K	59	solana-runtime		^0.5.10
28K	2	solana-bucket-map		^0.5.10
27K	8	minidump		^0.9
81K	26	xkbcommon	optional	^0.9.0
23K	17	solana-accounts-db		^0.5.10
68K	58	tch	optional	^0.6.1
19K	1	sd		^0.9.0
17K	10	remoteprocess		^0.9.4
47K	19	cacache	optional	^0.5.8
15K	18	sc-chain-spec		^0.9.3
45K	1	i-slint-backend-linuxkms	optional	^0.9.4
13K	1	python-oxidized-importer		^0.5.8
13K		sccache		^0.9.4
12K	9	wasmer-engine		^0.5
12K	7	wasmer-engine-near		^0.5
11K	2	async_http_range_reader		^0.9.0
11K		lgalloc		^0.5
8.4K		komac		^0.9.4
8.1K	19	tract-onnx		^0.9
7.9K		cargo-bloat		^0.9
19K	28	fluvio-future	optional	^0.9.4
17K	10	pdf	optional	^0.5.0
5.4K	4	rattler		^0.9.5
4.4K	23	bellperson		^0.5.8
4.3K	11	merkletree		^0.5.7
12K	20	cranelift-jit	optional	^0.2.1
4.0K	8	storage-proofs-core		^0.5.6
4.0K	6	filecoin-proofs		^0.5.6
4.0K	5	storage-proofs-porep		^0.5.6
4.0K	2	storage-proofs-update		^0.5.6
3.8K		mmap-sync		^0.9.4
3.4K	1	polars-stream		^0.7
3.3K	2	rustc_data_structures		^0.2.1
3.2K		jaq		^0.9
2.7K	2	anise		^0.9.4
2.5K	2	arroy		^0.9.4
2.5K	1	glycin-utils		^0.9.0
2.4K		glycin		^0.9.0
7.6K	1	raft-engine	optional	^0.9
2.3K	2	rustpython-stdlib		^0.5.4
7.2K	5	rarena-allocator	optional	^0.9
2.2K	2	flatdata		^0.5.7
2.2K		samply		^0.9.4
2.0K	3	linera-wasmer-compiler		^0.6
2.0K		mmap-append		^0.9.0
1.9K	1	wellen		^0.9.5
1.8K		ip2location		^0.9.0
1.7K	16	miraland-frozen-abi		^0.5.10
1.7K	2	waycrate_xkbkeycode		^0.9.5
5.6K	5	minidump-unwind	optional	^0.9
1.6K		broot		^0.9
5.2K	5	rattler_repodata_gateway	optional	^0.9.5
1.5K	1	extindex		^0.9
1.5K	1	disarm64		^0.9
1.5K	2	libwayshot		^0.9.0
4.9K	1	vfs-tar	optional	^0.9
1.4K	1	graph_builder		^0.5.10
1.4K	1	sourmash		^0.9.5
1.3K		seekstorm		^0.9.5
1.3K	4	hc-wasmer-compiler		^0.5
1.3K	1	giga-segy-in		^0.9
1.3K	1	file-chunker		^0.5.2
1.1K	1	piecrust		^0.7
1.1K	1	heh		^0.9.4
1.0K	1	pigdb		^0.5
3.6K	3	gstuff	optional	^0.9
1.0K	10	osmpbf		^0.5
3.5K	2	tor-dirmgr	optional	^0.9.0
1.0K		shmy		^0.9
850		typst-preview		^0.9.4
850	3	wholesym		^0.9.4
800	3	git-ref		^0.5.0
800		krapslog		^0.9.0
2.9K	9	maildir	optional	^0.5.8
750	1	ra-ap-rustc_data_structures		^0.2.1
750		deduplicator		^0.5.8
750		riff-io		^0.6
750	1	ra_ap_proc_macro_srv		^0.5.4
750	2	miraland-bucket-map		^0.5.10
700		verneuil		^0.5
700		dwat		^0.5.5
700		tensor-man		^0.9.5
650	2	jammdb		^0.9.0
650		gia		^0.9.4
600	21	miraland-runtime		^0.5.10
600		packbed		^0.9.4
600		streampager		^0.5.5
550	3	cyfrin-foundry-compilers		^0.9
2.2K	3	gvdb	optional	^0.9
550	13	miraland-accounts-db		^0.5.10
550	2	py-spy		^0.9.4
550	9	linicon		^0.5
500	18	rustc-ap-rustc_data_structures		^0.2.1
1.8K	1	fontique	optional	^0.9.5
410	12	cu29-unifiedlog		^0.9.5
390	2	git-pack		^0.5.0
390		rusty-dawg		^0.9.5
390	3	candle-datasets		^0.9.3
390	2	git-index		^0.5.0
380		crunchert-storage		^0.9.5
370		possum-db		^0.9.0
370		fshasher		^0.9
1.6K	107	miraland-sdk	optional	^0.5.10
360	1	xabc-lib		^0.9.5
350	3	ironfish-bellperson		^0.5.8
1.5K		ferroc	optional	^0.9
1.5K	1	fedimint-tor-dirmgr	optional	^0.9.0
340		file_rw		^0.9.4
1.5K	7	rten	optional	^0.9.4
320	2	spytools		^0.9.5
320	1	mmapcell		^0.9.4
310		rattler-build		^0.9.5
300	1	disk		^0.9.0
300	7	llm-base		^0.5.10
300	1	perf-event2		^0.9
290	5	transient-btree-index		^0.5
280	10	safecoin-frozen-abi		^0.5.3
280		packetry		^0.9.4
260		rbspy		^0.9.5
260	11	waffles-solana-frozen-abi		^0.5.8
260	9	gemachain-frozen-abi		^0.5.0
250	2	sugarloaf		^0.9.3
250	1	seal		^0.5.0
250		tetengo_trie		^0.9.5
1.2K	2	floem-winit	optional	^0.9.0
240		bugstalker		^0.9.0
230	1	faimm		^0.9
230		ebcandle-core		^0.9.3
220		rpkg-rs		^0.9.4
210	1	ddbug_parser		^0.9.4
210	1	rapiddb		^0.9
200		polars-readlines		^0.9.0
190	1	a653rs-linux-core		^0.9
190		a653rs-linux		^0.9
190	4	graphannis-core		^0.9
190		memvec		^0.5.3
180		bbolt-rs		^0.9.4
180		canopydb		^0.9
170	1	dynamic-loader-cache		^0.9
170	1	papyrus_storage		^0.8.0
160	1	driverkit		^0.5.10
160	2	kornia-io		^0.9.4
160		rust_abf		^0.9.5
150		get-all-crates		^0.9
150		forest-filecoin		^0.9
140		data-pile		^0.2.1
140		libharuhishot		^0.9.5
140	1	uu_tac		^0.9.4
140	1	platform-mem		^0.5
130	2	librqbit		^0.9.4
130		nut		^0.9.3
130	1	fugue-radare		^0.9
120		pnafs		^0.9.5
850	2	izihawa-tantivy	optional	^0.9.0
100	1	hkalbasi-rustc-ap-rustc_data_structures		^0.2.1
100	2	spacetimedb-commitlog		^0.9.4
100	1	rosbag		^0.9
100		bitcasky		^0.9.3
100		sparkl3d		^0.5
	1	gemachain-bucket-map		^0.5.0
	11	gemachain-runtime		^0.5.0
	3	commitlog		^0.5
	1	rsonpath-lib		^0.9.4
		git-commitgraph		^0.5.0
		isr-cache		^0.9
	1	isr-dwarf		^0.9
	2	wasmer-engine-x		^0.5
	2	tract-tensorflow		^0.9
	18	waffles-solana-runtime		^0.5.8
	5	file_mmap		^0.9.0
		shmap		^0.9
		naluacq		^0.7.1
	1	waffles-solana-bucket-map		^0.5.8
	1	safecoin-bucket-map		^0.5.3
		timsrust		^0.9.3
	1	ark-zkey		^0.9
	2	ezlog		^0.6
	11	safecoin-runtime		^0.5.3
	1	osmnodecache		^0.9
	1	profiler-symbol-server		^0.5.0
650		aol	optional	^0.9
		ipmpsc		^0.2
	1	libwaysip		^0.9.0
		fst-bin		^0.5.10
		hongg		^0.7
		font-index		^0.2.1
		disk-ringbuffer		^0.9.4
		ogawa-rs		^0.5.8
		ps-mmap		^0.9.4
	1	unc-vm-engine		^0.5
	1	mmap-bitvec		^0.5
		sicd-rs		^0.5.10
	4	buffet		^0.9.4
	1	cyfs-chunk-lib		^0.5.0
600	6	finalfusion	optional	^0.9
		mmap_buffer		^0.5.10
		nitv		^0.5.10
		geomedea		^0.9.0
		minidump-debugger		^0.8.0
	2	divvunspell		^0.5.0
	2	nwn-rs-types		^0.5.3
	6	jubako		^0.9.4
		rsbkb		^0.9
		semilattice-script		^0.5
		shmem-ipc		^0.5.8
	3	below-store		^0.5.10
		lite_db		^0.7.1
		fusta		^0.5
		stupidalloc		^0.7.1
	2	tetsy-db		^0.2
		binary-security-check		^0.9
		raphy		^0.5.4
		solana-snapshot-etl		^0.5.4
		sparkl2d		^0.5
		bbqvec		^0.9.5
		pyrrhic-rs		^0.9.4
		sqlite-parser-nom		^0.5.8
		binocle		^0.5.0
		docker-repack		^0.9.4
		elf-info		^0.5.7
		landfill		^0.7.1
		ftldat		^0.5.10
	3	cbe-frozen-abi		^0.5.8
	2	loam		^0.9
		nexus2fa		^0.9.4
		shelfie		^0.5
		rpi-led-panel		^0.9.4
		strmap		^0.5.8
		wz_reader		^0.9.4
		ricat		^0.9.4
	4	box-format		^0.5
	2	crabml		^0.7.1
	2	selium-log		^0.9
		dominion-chat		^0.5
	1	wayrs-shm-alloc		^0.5
		backpak		^0.5
		messloc		^0.5.7
		bitcasky-database		^0.9.3
		brew-moonshine		^0.6.1
		deflect		^0.5.7
	2	luminal		^0.7.1
		rust-spy		^0.7.1
		arwtojpg		^0.9.4
		moz_genai		^0.5
		ru_annoy		^0
		samply-server		^0.5.0
		tsfind		^0.9
		wt_blk		^0.9.4
500		ddevmem	optional	^0.9.5
		gazo		^0.5.4
	1	libafl_qemu		^0.9
	2	nitf-rs		^0.5.10
		thorin-dwp-bin		^0.5.0
	1	annoy-rs		^0
		atos-astrolabe		^0.5.10
	1	crabml-llama2		^0.7.1
		libloc		^0.9
		mod-compatibility-checker		^0.5
		pyroscope-rbspy-oncpu		^0.9.3
	1	rocketmq-store		^0.9.4
	2	runa-core		^0.5.7
		shm-snapshot		^0.9
	1	tac-k-lib		^0.9
		coaly		^0.5.7
		cpp-deps		^0.9.4
	1	imdb-index		^0.9.1
		jw		^0.9.5
		lsm		^0.9
		regex-cli		^0.9.4
	1	runa-orbiter		^0.5.7
		safetensors-cli		^0
		tblcompare		^0.5.10
		amnesimmap		^0.5.8
	1	bvr-core		^0.9
		chromsize		^0.9.4
		mdb		^0.3.1
		csep		^0.9.4
		dircs		^0.9.4
	2	lurk		^0.5.10
		mmap-cache		^0.5
		moxi		^0.5.10
	1	puzzlefs-lib		^0.9.4
	2	rune-fs		^0.7.1
	3	ttkmd-if		^0.7.0
		wl-gammarelay-rs		^0.8
		codevis		^0.5.7
	1	comet-gc		^0.5
	2	netidx-archive		^0.7.1
		osmflatc		^0.9.0
		palace		^0.9.0
		pasture-io		^0.7.1
		rlgym_sim_rs		^0.9.4
500	12	sanakirja	optional	^0.9
		tokengrams		^0.9.4
	2	zerostash-files		^0.7.1
		ai00-core		^0.9
		bracken		^0.9.4
		drcov2lcov		^0.9
		elfpromote		^0.5.5
	2	fluke-buffet		^0.9.4
		hck		^0.9.4
		ragtime		^0.9.4
		rawtojpg		^0.9.4
		rldd		^0.5.7
		rofuse		^0.5.0
		tokengeex		^0.5.2
	1	tree_sitter_lint_tree-sitter-grep		^0.5.3
	2	vineyard		^0.7
	1	wasmer-engine-unc		^0.5
	1	wikimedia-store		^0.5.10
		xt		^0.9.0
		ba2		^0.9.0
	1	bbachain-frozen-abi		^0.5.3
		btrd		^0.9
		cacache-sync		^0.5
		candle-core-temp		^0.7.1
		cdb2		^0.9.1
		ckb-vm-aot		^0.5
		obstinate		^0.7.1
		one_billion_rows_challenge		^0.9.3
		otadump		^0.5.10
		quick-file-transfer		^0.9.4
		rs2-cache		^0.5
		ser-io		^0.6
		tgrep		^0.2
		tree-sitter-grep		^0.5.3
		udbg		~0.5
		utrace_parser		^0.9.4
		walnut		^0.9.0
		whistlinoak		^0.5
		wired		^0.1.0
		ziggy-honggfuzz		^0.5
		ziggy-honggfuzz-1		^0.5
		ziggy-honggfuzz-2		^0.5
		alloc_cat		^0.9.4
		boh		^0.5
		cdx		^0
	1	datatier		^0.5.8
	2	faiquery		^0.7.1
	2	gonk-database		^0.5.5
		kornia-rs		^0.9.4
		ledger-kv		^0.9.0
	3	readfilez		>=0.5, <=0.10
		EasyDist		^0.9.4
		bitkv-rs		^0.9.4
		honggfuzz-ziggy		^0.5
		lua-perf		^0.8.0
		meowstore_bindb		^0.9.4
		obstacle		^0.7.1
		pystse		^0.5
		yolors		^0.9.3
490	1	typst-ts-compiler	optional	^0.5
480		objdiff-core	optional	^0.9
390		portable-network-archive	optional	^0.9.5
350	3	raphtory	optional	^0.9.4
300	1	anybytes	optional	^0.9.4
270	3	rio-window	optional	^0.9.0
260	50	safecoin-sdk	optional	^0.5.3
250	64	waffles-solana-sdk	optional	^0.5.8
220	47	gemachain-sdk	optional	^0.5.0
210	1	boreal	optional	^0.9
170	4	dfdx	optional	^0.5
160	1	shakmaty-syzygy	optional	^0.9
150	4	wayrs-utils	optional	^0.9
110		aaru	optional	^0.9.4
100		include_file_compress	optional	^0.9.4
		object-rewrite	optional	^0.9.4
		parse-mediawiki-sql	optional	^0.5.0
	1	hid-io-core	optional	^0.5
		binreader	optional	^0.3.0
	4	cbe-sdk	optional	^0.5.8
		cilium	optional	^0.9.4
		data_reader	optional	^0.5.5
		dynbytes	optional	^0.9.4
	3	exocore-chain	optional	^0.9.4
	2	fleek-blake3	optional	^0.7.1
		fluence-blake3	optional	^0.9
	1	image2	optional	^0.5
	4	infinitree	optional	^0.9.4
		ipdb-rust	optional	^0.5.0
		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
		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
	5	seekable-async-file	optional	^0.5
		segsource	optional	^0.3
	4	solomka-sdk	optional	^0.5.3
		summavy	optional	^0.5.3
		tantivy-nightly	optional	^0.5.3
		textdb	optional	^0.9.4
	1	tiny-sdk	optional	^0.5.3
	1	virtio-driver	optional	<0.10
	1	wasm2map	optional	~0.5.10
126K	28	safetensors	dev	^0.9
91K	50	ndarray-npy	dev	^0.9
81K	4	hifijson	dev	^0.9
23K		sliceslice	dev	^0.5
20K	4	pdb-addr2line	dev	^0.9.0
6.2K	5	surrealkv	dev	^0.9.4
5.9K	8	fastcdc	dev	^0.5.8
2.7K	1	pe-unwind-info	dev	^0.7
950	3	mesh-loader	dev	^0.9
900	2	samply-symbols	dev	^0.9.4
550	1	samply-api	dev	^0.9.4
340		sif-rtree	dev	^0.9
290	5	routecore	dev	^0.9
150	4	candle-examples	dev	^0.9.3
140		wgml	dev	^0.9.4
		zwp-virtual-keyboard	dev	^0.5
	1	web-rwkv	dev	^0.9
		sif-kdtree	dev	^0.9
		cpz	dev	^0.9.4
	2	ripline	dev	^0.3.0
		smelte-rs	dev	^0.5
		cuniq	dev	^0.9
		web-rwkv-converter	dev	^0.9
		ndarray-npz	dev	^0.9.5
		fst-no-std	dev	^0.5.10
		fastcdc-alt	dev	^0.5.8
		nosapi_data	dev	^0.7.1
	1	pystse-safetensors	dev	^0.5
		tropobase	dev	^0.9.4