memmap2

memmap2 is used at run time in 4,446 crates (of which 1,387 optionally). It is a direct run-time dependency in 513 crates. It's used at build time in 67 crates (of which 6 optionally, ). It's used only as a dev dependency in 472 crates (of which 30 directly).

Number of dependers	memmap2 version	Downloads/month
2,018	0.9.5	5.0M
6	0.8.0	116K
241	0.7.1	175K
187	0.6.2	185K
2,403	0.5.10	1.9M
18	0.3.1	21K
81	0.2.3	133K
31	0.1.0	8.8K

Depender (with downloads and own rev deps)			memmap2 version
11.1M	37	addr2line	optional	^0.9.4
2.8M	18	symbolic-common		^0.9.0
1.8M	31	smithay-client-toolkit		^0.9.0
2.7M	598	blake3	optional	^0.9
828K	4	gix-ref		^0.9.0
710K	5	gix-pack		^0.9.0
708K	5	gix-commitgraph		^0.9.0
705K	8	gix-index		^0.9.0
1.4M	771	winit	optional	^0.9.0
557K	23	polars-io		^0.9
552K	13	polars-plan		^0.9
426K	14	libbpf-cargo		^0.5
856K	38	maxminddb	optional	^0.9.0
738K	6	sctk-adwaita	optional	^0.9.0
193K	7	parity-db		^0.5
568K	27	polars-utils	optional	^0.9
187K	23	wasmer-compiler		^0.6
187K	66	solana-frozen-abi		^0.5.10
158K	15	shared-buffer		^0.6.1
146K	16	honggfuzz		^0.9
397K	83	tantivy	optional	^0.9.0
124K	15	grep-searcher		^0.9.0
346K	44	fontdb	optional	^0.9
96K	4	solana-genesis-config		^0.5.10
88K	33	dynasmrt		^0.9.5
86K	9	measureme		^0.2.1
86K	3	polars-mem-engine		^0.9
78K	5	blazesym		^0.9
69K	1	polars-stream		^0.9
192K	43	softbuffer	optional	^0.9.0
48K	79	candle-core		^0.9.3
127K	23	cacache	optional	^0.5.8
41K	7	ug		^0.9.5
37K	2	solana-bucket-map		^0.5.10
37K	61	solana-runtime		^0.5.10
34K	2	async_http_range_reader		^0.9.0
34K		mmap-sync		^0.9.4
31K	18	solana-accounts-db		^0.5.10
31K	1	sd		^0.9.0
25K	1	sapling-streampager		^0.5.10
25K		sccache		^0.9.4
73K	28	xkbcommon	optional	^0.9.0
69K	72	tch	optional	^0.6.1
20K	20	sc-chain-spec		^0.9.3
14K		komac		^0.9.5
13K	7	wasmer-engine-near		^0.5
13K	5	minidump-writer		^0.9
12K	1	python-oxidized-importer		^0.5.8
12K	9	wasmer-engine		^0.5
33K	24	cranelift-jit	optional	^0.2.1
9.9K	19	tract-onnx		^0.9
9.3K	8	minidump		^0.9
9.3K	1	lgalloc		^0.5
26K	15	lindera-dictionary	optional	^0.9.5
7.7K	3	arroy		^0.9.5
7.4K		cargo-bloat		^0.9
7.2K	4	rattler		^0.9.5
6.9K	4	fmmap		^0.9
6.3K	11	merkletree		^0.5.7
6.2K		memvec		^0.5.3
6.2K	23	bellperson		^0.5.8
18K	11	pdf	optional	^0.5.0
5.5K	8	storage-proofs-core		^0.5.6
5.5K	6	filecoin-proofs		^0.5.6
5.5K	5	storage-proofs-porep		^0.5.6
5.5K	2	storage-proofs-update		^0.5.6
15K	1	i-slint-backend-linuxkms	optional	^0.9.4
5.0K	8	deno_ffi		^0.9
4.8K		libloc		^0.9
13K	1	raft-engine	optional	^0.9
12K	28	fluvio-future	optional	^0.9.4
3.7K	7	anise		^0.9.4
3.5K	2	yara-x		^0.9.5
3.2K	3	linera-wasmer-compiler		^0.6
2.9K		samply		^0.9.4
2.9K		glycin		^0.9.0
2.8K	1	glycin-utils		^0.9.0
2.8K	1	giga-segy-in		^0.9
2.6K		jaq		^0.9
2.5K	10	linicon		^0.5
2.4K		file_rw		^0.9.4
2.4K	3	wholesym		^0.9.4
2.3K	1	perf-event2		^0.9
2.2K	2	jammdb		^0.9.0
2.2K		shmy		^0.9
2.2K		broot		^0.9
7.0K	5	rattler_repodata_gateway	optional	^0.9.5
6.9K	5	minidump-unwind	optional	^0.9
2.0K	3	libwayshot		^0.9.0
2.0K		mmap-append		^0.9.0
1.9K	1	wellen		^0.9.5
1.8K	1	rapiddb		^0.9
1.7K	10	remoteprocess		^0.9.4
1.6K		som		^0.9.5
1.6K	2	flatdata		^0.5.7
1.5K		ip2location		^0.9
1.4K		ricat		^0.9.4
1.4K	10	osmpbf		^0.5
4.7K	1	vfs-tar	optional	^0.9
1.3K	3	cyfrin-foundry-compilers		^0.9
1.3K	2	graph_builder		^0.5.10
1.3K	3	rustpython-stdlib		^0.5.4
4.4K	3	gvdb	optional	^0.9
1.2K		sparkl3d		^0.5
1.2K	3	git-ref		^0.5.0
1.1K	5	transient-btree-index		^0.5
3.8K	2	tor-dirmgr	optional	^0.9.0
1.0K	1	uu_tac		^0.9.4
1.0K	2	kornia-io		^0.9.4
950	4	brk_vec		^0.9.5
900	1	extindex		^0.9
900		tokengeex		^0.5.2
850	6	cu29-unifiedlog		^0.9.5
850	2	simd-r-drive		^0.9.5
850		streampager		^0.5.5
850		typst-preview		^0.9.4
800		csep		^0.9.4
750	1	ra-ap-rustc_data_structures		^0.2.1
750		deduplicator		^0.5.8
2.8K	3	gstuff	optional	^0.9
750		seq-here		^0.9.5
750		quick-file-transfer		^0.9.4
700	2	dset		^0.9.5
700		ps-mmap		^0.9.4
700		dwat		^0.5.5
650	1	file-chunker		^0.5.2
650	2	rustc_data_structures		^0.2.1
600	1	ra_ap_proc_macro_srv		^0.5.4
600		qsv		^0.9
550	2	piecrust		^0.7
550	2	git-pack		^0.5.0
550		seekstorm		^0.9.5
550	18	rustc-ap-rustc_data_structures		^0.2.1
550	2	dynamic-loader-cache		^0.9
500		krapslog		^0.9.0
2.0K	1	fontique	optional	^0.9.5
480		hck		^0.9.5
480	1	semaphore-rs-ark-zkey		^0.9
470		sicd-rs		^0.5.10
460	4	candle-datasets		^0.9.3
460	2	sugarloaf		^0.9.5
460		verneuil		^0.5
460		rawtojpg		^0.9.5
450		tauri-dumper		^0.9
440	4	graphannis-core		^0.9
430	2	sourmash		^0.9.5
430	2	git-index		^0.5.0
420		kornia-rs		^0.9.4
410	1	alloc_cat		^0.9.4
410		sharc		^0.9.5
390	1	heh		^0.9.4
390	1	project_ares		^0.9.0
370		fshasher		^0.9
360		filkoll		^0.9.5
1.5K	7	rten	optional	^0.9.4
1.5K		ferroc	optional	^0.9
340	16	miraland-frozen-abi		^0.5.10
340	2	hddb		^0.5
330	6	llm-base		^0.5.10
330	2	spacetimedb-commitlog		^0.9.4
330		squid		^0.7
1.4K	3	floem-winit	optional	^0.9.0
300		ciphey		^0.9.0
300		timber-rs		^0.9.5
300		binary-security-check		^0.9
300		huffc		^0.9.5
290		heavykeeper		^0.9.5
290		shm-snapshot		^0.9
290		nut		^0.9.3
270	2	tract-tensorflow		^0.9
270		pasture-io		^0.7.1
270		shmipc		^0.9
270		sketchlib		^0.9
260	1	pigdb		^0.5
260	3	below-store		^0.5.10
260		get-all-crates		^0.9
260		regex-cli		^0.9.4
260	1	rsonpath-lib		^0.9.5
250		riff-io		^0.6
250		rlgym_sim_rs		^0.9.4
240		forest-filecoin		^0.9
230		neptune-cash		^0.9
230	1	qemu-display		^0.9.5
220	1	libwaysip		^0.9.4
220	2	waycrate_xkbkeycode		^0.9.5
220	1	rosbag		^0.9
1.1K	1	fedimint-tor-dirmgr	optional	^0.9.0
1.1K		rio-winit-fork	optional	^0.9.0
210	1	timsrust		^0.9.3
200	2	spytools		^0.9.5
200	1	libwild		^0.9.5
180	2	py-spy		^0.9.4
180		tsfind		^0.9
180		nitv		^0.5.10
180		rldd		^0.5.7
180	1	ddbug_parser		^0.9.4
170	11	waffles-solana-frozen-abi		^0.5.8
170	10	safecoin-frozen-abi		^0.5.3
160	2	isr-dwarf		^0.9
160		pkcs12cracker		^0.9.5
160		rbspy		^0.9.5
160	1	driverkit		^0.5.10
160		pnafs		^0.9.5
160		bevy-histrion-packer		^0.9.5
150	1	isr-cache		^0.9
150	1	mehari		^0.9.5
950	7	finalfusion	optional	^0.9
150		ai00-core		^0.9
150	2	loam		^0.9
150		xt		^0.9.4
150	1	vmi-driver-kdmp		^0.9
150	1	linker-diff		^0.9.5
150	3	readfilez		>=0.5, <=0.10
140	3	commitlog		^0.5
140	21	miraland-runtime		^0.5.10
140	2	librqbit		^0.9.4
140	13	miraland-accounts-db		^0.5.10
140		embedded-storage-file		^0.9.5
140	2	miraland-bucket-map		^0.5.10
130		rust-spy		^0.7.1
130		possum-db		^0.9.0
130		rsbkb		^0.9
130	1	faimm		^0.9
130		jpgfromraw		^0.9.5
130	1	vmi-driver-xen-core-dump		^0.9
130		x79d8		^0.5
120		drcov2lcov		^0.9
120		shmap		^0.9.5
120	3	ironfish-bellperson		^0.5.8
110		data-pile		^0.2.1
110		textalyzer		^0.9.0
110		codevis		^0.5.7
110		ark-zkey		^0.9
100	1	hkalbasi-rustc-ap-rustc_data_structures		^0.2.1
100	1	xabc-lib		^0.9.5
100	9	gemachain-frozen-abi		^0.5.0
100		fst-bin		^0.5.10
100		thorin-dwp-bin		^0.5.0
100	1	wasmer-engine-unc		^0.5
100		vectorbase		^0.9.0
800		object-rewrite	optional	^0.9.4
	2	vineyard		^0.7
		bugstalker		^0.9.0
		tgrep		^0.2
		rusty-dawg		^0.9.5
		timberjack		^0.9.5
	2	zerostash-files		^0.7.1
		git-commitgraph		^0.5.0
	2	wasmer-engine-x		^0.5
750		portable-network-archive	optional	^0.9.5
	1	libafl_qemu		^0.9.5
		ragtime		^0.9.4
	1	puzzlefs-lib		^0.9.4
		osmflatc		^0.9.0
	2	rune-fs		^0.7.1
		utrace_parser		^0.9.4
	4	box-format		^0.5
700	9	maildir	optional	^0.5.8
		palace		^0.9.0
		font-index		^0.2.1
		fast_symspell		^0.9.5
		ogawa-rs		^0.5.8
		udbg		~0.5
	1	mmap-bitvec		^0.5
		ba2		^0.9.0
	1	cyfs-chunk-lib		^0.5.0
	2	tetsy-db		^0.2
		rs2-cache		^0.5
	1	tac-k-lib		^0.9
		mmap_buffer		^0.5.10
	11	gemachain-runtime		^0.5.0
		geomedea		^0.9.0
		pyroscope-rbspy-oncpu		^0.9.3
		repa		=0.9.5
	11	safecoin-runtime		^0.5.3
		semilattice-script		^0.5
	1	gemachain-bucket-map		^0.5.0
	1	safecoin-bucket-map		^0.5.3
	1	wikimedia-store		^0.5.10
		wl-gammarelay-rs		^0.8
	18	waffles-solana-runtime		^0.5.8
600	5	rarena-allocator	optional	^0.9
		veresiye		^0.9.4
		elf-info		^0.5.7
		storable_vec		^0.9.5
	1	papyrus_storage		^0.8.0
		rpi-led-panel		^0.9.4
		tetengo_trie		^0.9.5
		cdx		^0
		ipmpsc		^0.2
	2	runa-core		^0.5.7
	1	waffles-solana-bucket-map		^0.5.8
		wired		^0.1.0
	1	comet-gc		^0.5
		tblcompare		^0.5.10
	1	unc-vm-engine		^0.5
		landfill		^0.7.1
	1	runa-orbiter		^0.5.7
		tmsoft_dbase		^0.9.5
		ftldat		^0.5.10
	2	luminal		^0.7.1
		gia		^0.9.4
		boh		^0.5
		wt_blk		^0.9.4
		bao_bin		^0.9.5
		binocle		^0.5.0
		blake2_bin		^0.9.5
	3	cbe-frozen-abi		^0.5.8
		pyrrhic-rs		^0.9.4
		mmap-vecdeque		^0.9
		sqlite-parser-nom		^0.5.8
		ckb-vm-aot		^0.5
		walnut		^0.9.0
	4	buffet		^0.9.4
		mdb		^0.3.1
	1	wayrs-shm-alloc		^0.5
		app_input		^0.9.5
		bbolt-rs		^0.9.4
		btrd		^0.9
	1	datatier		^0.5.8
		messloc		^0.5.7
	1	platform-mem		^0.5
		ru_annoy		^0
		shmem-ipc		^0.5.8
		stupidalloc		^0.7.1
	1	a653rs-linux-core		^0.9
		docker-repack		^0.9.4
	1	mmapcell		^0.9.4
	2	rocketmq-store		^0.9.5
	1	rpkg-rs		^0.9.5
		rust_abf		^0.9.5
		cacache-sync		^0.5
		cdb2		^0.9.1
		coaly		^0.5.7
	5	file_mmap		^0.9.0
		jw		^0.9.5
		moz_genai		^0.5
		solana-snapshot-etl		^0.5.4
		gazo		^0.5.4
	1	annoy-rs		^0
		backpak		^0.9
	1	bvr-core		^0.9
		candle-core-temp		^0.7.1
	1	cfpyo3_rs_core		^0.9.5
	2	diffusion_rs_common		^0.9.5
		disk-chan		^0.9.5
	2	lurk		^0.5.10
		mod-compatibility-checker		^0.5
		shelfie		^0.5
		whistlinoak		^0.5
		bitcasky		^0.9.3
		dominion-chat		^0.5
		lsm		^0.9
	1	seal		^0.5.0
		sokudo		^0.9
		wz_reader		^0.9.4
		a653rs-linux		^0.9
		brew-moonshine		^0.6.1
	6	jubako		^0.9.4
	1	rustscout		^0.9.0
	2	faiquery		^0.7.1
	1	osmnodecache		^0.9
		rustpotion		^0.9.5
		amnesimmap		^0.5.8
		arwtojpg		^0.9.4
	1	bbachain-frozen-abi		^0.5.3
		bitcasky-database		^0.9.3
		chromsize		^0.9.4
	2	divvunspell		^0.5.0
		libharuhishot		^0.9.5
		moxi		^0.5.10
		smn_arch		^0.6.2
	2	diffuse_rs_common		^0.9.5
		disk-dlmalloc		^0.9
	2	gonk-database		^0.5.5
	1	imdb-index		^0.9.1
		nx-pkg4		^0.9.5
		raphy		^0.5.4
		rotonda		^0.9.4
		tree-sitter-grep		^0.5.3
		atos-astrolabe		^0.5.10
		bbqvec		^0.9.5
		bracken		^0.9.4
		cca-realm-measurements		^0.9.5
		deflect		^0.5.7
	1	disk		^0.9.0
		ebcandle-core		^0.9.3
		elfpromote		^0.5.5
	2	ezlog		^0.6
		fusta		^0.5
	4	hc-wasmer-compiler		^0.5
		kbvm-cli		^0.9.5
		measureme-mirror		^0.2.1
	2	nwn-rs-types		^0.5.3
		rattler-build		^0.9.5
500	3	rio-window	optional	^0.9.5
		rofuse		^0.5.0
		tensor-man		^0.9.5
		czdb		^0.9.5
		dircs		^0.9.5
		diskann-rs		^0.5
	2	fluke-buffet		^0.9.4
		gguf-utils		^0.9
		minidump-debugger		^0.8.0
		naluacq		^0.7.1
	1	netidx-archive		^0.9
		obstinate		^0.7.1
		one_billion_rows_challenge		^0.9.3
		safetensors-cli		^0
		samply-server		^0.5.0
		ser-io		^0.6
		simdphrase		^0.9.5
		sparkl2d		^0.5
		strmap		^0.5.8
		ziggy-honggfuzz		^0.5
		bitkv-rs		^0.9.4
		crunchert-storage		^0.9.5
		csv2xlsx-pro		^0.9.5
		disarm64-cli		^0.9
		disk-ringbuffer		^0.9.4
	1	fugue-radare		^0.9
		hongg		^0.7
		ledger-kv		^0.9.0
		lite_db		^0.7.1
		mmap-cache		^0.5
	2	nitf-rs		^0.5.10
		otadump		^0.5.10
		packbed		^0.9.4
		packetry		^0.9.4
	1	profiler-symbol-server		^0.5.0
	2	selium-log		^0.9
	1	tree_sitter_lint_tree-sitter-grep		^0.5.3
	3	ttkmd-if		^0.7.0
		EasyDist		^0.9.4
		cpp-deps		^0.9.4
	2	crabml		^0.7.1
	1	crabml-llama2		^0.7.1
		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
		nasadem		^0.7.1
		nexus2fa		^0.9.4
		polars-readlines		^0.9.0
		pystse		^0.5
		safetensors-browser		^0.9.5
	1	sapling-indexedlog		^0.5.10
		tokengrams		^0.9.4
		vexis		^0.5.10
		yolors		^0.9.3
		ziggy-honggfuzz-1		^0.5
		ziggy-honggfuzz-2		^0.5
500		tempfs	optional	^0.9.5
440	1	virtio-driver	optional	<0.10
320	1	boreal	optional	^0.9
310	107	miraland-sdk	optional	^0.5.10
300	13	sanakirja	optional	^0.9
300		sib	optional	^0.9.5
290		tch-plus	optional	^0.6.1
280		fixed-size-buf	optional	^0.9
260	5	seekable-async-file	optional	^0.5
260		squashfs-async	optional	^0.5.8
250	5	dfdx	optional	^0.5
210	1	line_cardinality	optional	^0.9
180	4	wayrs-utils	optional	^0.9
180		wright	optional	^0.9.3
160	64	waffles-solana-sdk	optional	^0.5.8
140	50	safecoin-sdk	optional	^0.5.3
130	1	anybytes	optional	^0.9.4
120	2	deft-winit	optional	^0.9.0
100	1	shakmaty-syzygy	optional	^0.9
	47	gemachain-sdk	optional	^0.5.0
	1	image2	optional	^0.5
	2	izihawa-tantivy	optional	^0.9.4
	1	hid-io-core	optional	^0.5
		taboc	optional	^0.9.5
		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
	2	fleek-blake3	optional	^0.7.1
		fluence-blake3	optional	^0.9
		include_file_compress	optional	^0.9.4
	4	infinitree	optional	^0.9.5
		ipdb-rust	optional	^0.5.0
	1	lento-winit	optional	^0.9.0
		libremarkable	optional	^0.5.2
		ligmars	optional	^0.8.0
	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
		outsource-heap	optional	^0.5.7
	1	paradedb-tantivy	optional	^0.7.1
		parse-mediawiki-sql	optional	^0.5.0
	1	qsc-cranelift-jit	optional	^0.2.1
	3	raphtory	optional	^0.9.4
	5	sapling-minibytes	optional	^0.5.10
		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	typst-ts-compiler	optional	^0.5
	1	wasm2map	optional	~0.5.10
2.1M	25	arrow-ipc	dev	^0.9.3
2.0M	299	arrow	dev	^0.9.3
476K	57	ndarray-npy	dev	^0.9
413K	3	mcap	dev	^0.9.5
175K	43	safetensors	dev	^0.9
111K	4	hifijson	dev	^0.9
34K		sliceslice	dev	^0.5
27K	5	pdb-addr2line	dev	^0.9.0
12K	8	fastcdc	dev	^0.5.8
3.3K	1	pe-unwind-info	dev	^0.7
2.6K	4	mesh-loader	dev	^0.9
2.3K	2	samply-symbols	dev	^0.9.4
1.1K	1	samply-api	dev	^0.9.4
650	1	web-rwkv	dev	^0.9
460		sif-rtree	dev	^0.9
400	5	routecore	dev	^0.9
370	4	candle-examples	dev	^0.9.3
320		web-rwkv-converter	dev	^0.9
310		bcast	dev	^0.9.5
290		cpz	dev	^0.9.5
220		fastcdc-alt	dev	^0.5.8
210		cuniq	dev	^0.9
160	1	ndarray-npz	dev	^0.9.5
140	2	ripline	dev	^0.3.0
110		sif-kdtree	dev	^0.9
		wgml	dev	^0.9.4
		zwp-virtual-keyboard	dev	^0.5
		smelte-rs	dev	^0.5
		fst-no-std	dev	^0.5.10
	1	sapling-util	dev	^0.5.10
	1	pystse-safetensors	dev	^0.5
		tropobase	dev	^0.9.4