Active direct dependers over time: total, gained/lost
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7
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126
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131
136
149
163
174
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173
175
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268
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2018 2019 2020 2021 2022 2023 2024 2025

Heapless is used at run time in 1,621 crates (of which 336 optionally). It is a direct run-time dependency in 499 crates. It's used at build time in 2 crates (of which 1 optionally, ). It's used only as a dev dependency in 129 crates (of which 31 directly).

Number of dependers Heapless version Downloads/month
949 0.8.0 1.1M
629 0.7.17 640K
51 0.6.1 9.1K
106 0.5.6 12K
16 0.4.4 180
1 0.2.7 32
Depender (with downloads and own rev deps) Heapless version
11.2M 248 ipnet optional ^0
2.8M 122 aead optional ^0.7
922K 113 faster-hex ^0.8
828K 61 rstar ^0.8
1.5M 45 zvariant optional ^0.8.0
275K 50 smoltcp ^0.8
768K 319 postcard optional ^0.7.0
488K 31 crc-any optional ^0.8
127K 15 wasmer-wasix ^0.7.16
109K 4 serde_prometheus ^0.8
90K 102 embassy-sync ^0.8
47K 117 usb-device ^0.8
127K 5 octseq optional ^0.8
41K 6 flacenc ^0.8.0
124K 28 domain optional ^0.8
102K 65 ts-rs optional >=0.7, <0.9
25K 12 embassy-time-queue-utils ^0.8
77K 35 serde-json-core optional ^0.8
20K 12 pgrx ^0.8
16K 23 esp-idf-hal ^0.8
16K 2 esp-idf-part ^0.8.0
14K 23 embedded-svc ^0.8
12K 15 embassy-usb ^0.8
10K 10 iso7816 ^0.7
9.9K 3 bt-hci ^0.8
9.4K 55 cortex-m-rtic ^0.7.7
8.4K 8 embassy-net ^0.8
8.2K 29 esp-idf-svc ^0.8
8.0K 6 coap-message-implementations ^0.8
7.9K 18 embedded-sdmmc ^0.8
7.9K 20 ansi-parser ^0.8.0
7.2K 1 embedded-test ^0.8.0
6.3K 38 atsamd-hal ^0.8
6.2K 5 elliptic-curve-tools ^0.8
5.3K 2 esp-wifi ^0.8.0
5.0K stak-primitive ^0.8.0
4.9K 9 aranya-policy-vm ^0.8
4.8K 5 aranya-fast-channels ^0.7
4.8K 2 aranya-runtime ^0.8
3.9K 17 heapless-bytes ^0.8
11K 4 mipidsi optional ^0.8.0
3.9K 7 anise ^0.8.0
3.8K 11 stak-file ^0.8.0
3.5K gt911 ^0.8
3.4K 2 stak-dynamic ^0.8.0
3.3K 2 embedded-tls ^0.8
2.9K 1 cyw43 ^0.8.0
2.9K 1 reqwless ^0.8
8.8K 8 sequential-storage optional ^0.8.0
2.5K 7 esp-hal-common ^0.8.0
2.4K 6 postcard-rpc ^0.8.0
2.4K 1 embedded-nal-coap ^0.7
2.3K 5 minimq ^0.8
2.2K 1 edge-nal-embassy ^0.8
2.2K 2 edge-dhcp ^0.8
2.1K 2 tlv-rs ^0.7.16
2.0K 1 picoserve ^0.8.0
1.8K foundation-ur ^0.8
1.8K 8 atat ^0.8
1.8K 1 liboscore-cryptobackend ^0.7
1.8K 1 minicbor-adapters ^0.8.0
1.7K 1 coap-message-demos ^0.7
1.7K 3 rtic-sync ^0.8
1.6K le-stream ^0.8
1.4K 3 nmea ^0.8
1.3K embedded-jsonrpc ^0.8.0
4.6K 1 edge-executor optional ^0.8
1.3K buoyant ^0.8
1.3K 4 littlefs2 ^0.7
1.1K 8 palaver ^0.5
1.1K embedded-c-sdk-bind-hal ^0.8.0
1.0K 2 package-family-name ^0.8
3.5K 6 rmodbus optional ^0.8.0
950 ethercrab ^0.8.0
3.4K 2 encdec-base optional ^0.8.0
950 rust-mqtt ^0.8
950 3 esp32-nimble ^0.8.0
950 5 mqttrs ^0.7
3.2K 8 postcard-schema optional ^0.7
850 1 winget-types ^0.8
750 1 seeed-erpc ^0.8.0
750 2 kanata-keyberon ^0.7.16
700 1 usbd-human-interface-device ^0.8
700 mini-rxtx ^0.7
600 1 embedded-nal-minimal-coapserver ^0.5
600 moondancer ^0.8.0
600 4 embedded-nano-mesh ^0.8
550 se05x ^0.7
550 4 generic-btree ^0.7.16
500 1 ctap-types ^0.7
2.0K 1 justjson optional ^0.8.0
500 3 apdu-dispatch ^0.7
490 pca9539 ^0.8.0
490 1 edge-nal-std ^0.8
490 stabilizer ^0.8
460 1 doip-codec ^0.8.0
450 1 cody-c ^0.8.0
1.8K 3 littlefs2-core optional ^0.7
1.8K 3 serde_at optional ^0.8
430 1 riscv-slic ^0.8.0
420 1 nrfxlib ^0.7
420 opslag ^0.8.0
390 11 cortex-m-rtfm ^0.5.0
390 3 smoltcp-nal ^0.7
390 max11300 ^0.8
380 2 nrf-softdevice ^0.8.0
380 1 ethercrab-wire ^0.8.0
370 hwatch ^0.8.0
370 2 va108xx-hal ^0.8
370 2 loro-delta ^0.8.0
350 2 va416xx-hal ^0.8
350 1 noshell-parser ^0.8.0
340 usbd-ccid ^0.7
330 foundation-firmware ^0.8
320 foundation-urtypes ^0.8
320 4 ws2812-esp32-rmt-driver ^0.8
310 1 async-io-mini ^0.8
310 2 jh71xx-hal ^0.7
310 serde_can ^0.8
310 heapless_matrix ^0.8.0
300 tinywake ^0.8.0
280 dmx512-rdm-protocol ^0.8.0
270 hermit-kernel ^0.8
270 nucleo-h7xx ^0.7.16
250 onecable ^0.8.0
250 1 ssp ^0.7
240 cheetah-game-realtime-protocol ^0.7.16
230 microscpi ^0.8.0
230 2 ockam_executor ^0.8
220 roboplc-rpc ^0.8
220 ublox-sockets ^0.7
200 1 eb90 ^0.7
200 3 mfrc522 ^0.8
190 keytokey ^0.7
190 rktk-drivers-nrf ^0.7.0
190 ak09940a ^0.8
190 1 edge-http ^0.8
180 4 hmac-sha ^0.7
180 usbd-ethernet ^0.8
1.0K 3 flexiber optional ^0.7.0
170 1 wasm4-impl ^0.7.9
170 1 lpc55-rtic ^0.6.0
170 5 sans-io-runtime ^0.8
160 trouble-host ^0.8
160 2 rktk-drivers-common ^0.7.0
160 rmk ^0.8.0
160 1 ppproto ^0.8.0
950 3 cbor-smol optional ^0.7
150 embassy-net-adin1110 ^0.8
150 fido-authenticator ^0.7
150 zmodem2 ^0.8.0
140 3 ushell ^0.8.0
140 1 kiibohd-usb ^0.7
140 m5dial-bsp ^0.8.0
140 quectel-bg77 ^0.7.3
140 esp-ieee802154 ^0.8.0
140 2 canadensis_data_types ^0.7.7
130 1 edge-mdns ^0.8
130 rp-rs-radio-clock ^0.8
130 ekv ^0.8
130 esp-at-nal ^0.8
130 etherage ^0.7.16
130 2 kiibohd-hall-effect ^0.7
900 8 st7789 optional ^0.7
130 usbpd ^0.8.0
130 1 noproto ^0.8
130 2 canadensis ^0.7.0
130 person-sensor ^0.8
130 esp-hal-dhcp-server ^0.8.0
130 crosstrait ^0.8
120 2 trackball ^0.8.0
120 coapcore ^0.8.0
110 1 embedded-websocket ^0.7.16
110 xdevs-no-std ^0.8
110 thermostat-eem ^0.8
100 kiibohd-hall-effect-keyscanning ^0.7
1 embedded-update ^0.7
1 embedded-websocket-embedded-io ^0.8.0
8 pgx ^0.7.16
1 dot15d4-frame ^0.8.0
750 1 random_variant optional ^0.7
750 1 serde-brief optional ^0.8.0
is31fl3743b ^0.7
3 miniconf_mqtt ^0.8
rx8900 ^0.8
4 tracing-serde-structured ^0.7.10
iotzio ^0.8
ockam_entity ^0.7
shproto-rs ^0.7.16
writebuf-core ^0.7
keyberon ^0.5
tinygif ^0.7.16
nutp ^0.8
700 wasm-msgpack optional ^0.7
nw-engine ^0.8.0
axum-postcard ^0.8
hal-sim ^0.8
tfmt ^0.8.0
1 udevrs ^0.8
log-to-defmt ^0.7
14 wasmrs-codec ^0.7
1 hid-io-core ^0.7
1 embedded-nal-minimal-coaptcpserver ^0.7
2 gctex ^0.8.0
senml-deser ^0.7
cblt ^0.8.0
quicklog ^0.7.16
3 rubble ^0.5.1
Rusty_CryptoAuthLib ^0.5.5
miniconf_cli ^0.8.0
eui-no-std ^0.5
kolibri-embedded-gui ^0.8
embedded-huffman ^0.8.0
1 i2c-pio ^0.8.0
1 lorawan-device ^0.7
urpc ^0.5.1
2 phm-icd ^0.7.10
3 drogue-network ^0.5
embedded-exfat ^0.7
prinThor ^0.8.0
2 mqttrust ^0.7
erdnuss-comms ^0.7.0
nrf-modem-nal ^0.7.10
os_essentials ^0.8
1 fuga-json-seq-parser ^0.7.16
max32660-hal 0.7.*
nuttx-embedded-hal ^0.7.10
disco-rs ^0.7
embassy-net-esp-hosted ^0.8
7 kll-core ^0.7
infinity-sampler ^0.8
codec ^0.8.0
embedded-fps ^0.7
1 monster_chess ^0.8.0
esp8266-at-driver ^0.7
1 futex-queue ^0.7
pacmog ^0.8.0
oath-authenticator ^0.7
rsa_heapless ^0.8.0
wio_terminal ^0.5
esp-embassy-wifihelper ^0.8.0
google-cloud-iot-jwt ^0.7.9
choreographer ^0.7.1
crdt-richtext ^0.7.16
esp8266-wifi-serial ^0.7
scd30 ^0.4.2
sidh ^0.7.7
2 graphite_server ^0.7.15
1 purezen ^0.4
rak811-at-driver ^0.7
verdigris ^0.6
watchface ^0.5
zipng ^0.7.16
crankstart ^0.6.1
drogue-http-client ^0.5
embedded-plots ^0.7.3
mcutie ^0.7.0
robokit ^0.7
5 kaspa-wallet-core ^0.8.0
leak-detect-allocator ^0.5.4
orouter-serial ^0.7
svisual ^0.7
vesc-comm ^0.4.1
ais ^0.7
2 byte-slab ^0.7.5
3 dmx-rdm ^0.8
1 drogue-ffi-compat ^0.5.5
es-wifi-driver ^0.7
factbird-common ^0.7
fuga-remo-api ^0.7.16
1 hm11 ^0.4.1
nostr-nostd ^0.7.14
rfm69-async ^0.7.16
blinker ^0.8
digital-filter ^0.5.1
drogue-es-wifi ^0.5.6
drogue-rak811 ^0.5.5
edge-std-nal-async ^0.8
1 graphite_magma ^0.7.15
mnemos ^0.7.10
riot-wrappers ^0.8
synth-utils ^0.7
1 vhrdcan ^0.5.6
1 a4-core ^0.7.8
blipper ^0.5.1
gmqtt ^0.7.7
handdrawn-watchface ^0.5.1
3 hid-io-protocol ^0.7
1 kiibohd-hid-io-ffi ^0.7.10
mcumeter ^0.7
2 sunset ^0.8
timesource ^0.7.8
ublox-cellular-rs ^0.7
ansi_parser_extended ^0.8.0
can_aerospace_lite ^0.7.4
7 canadensis_core ^0.7.7
esp-at-driver ^0.6.1
2 klogger ^0.7.14
mountain-mqtt ^0.8
nmea-0183-validator ^0.7.10
1 rucos ^0.7
state-governor ^0.7.4
stm32wb-hal ^0.5.3
algo_no_std ^0.7.16
barebones-watchface ^0.5.1
canboat-rs ^0.8.0
core-serde-json ^0.5.0
3 embedded-nal-tcpextensions ^0.7
mks979b ^0.7.10
mwatch-kernel-stm32l4 ^0.4.2
ndef ^0.8
1 phm ^0.7.10
tiny-nmea ^0.7.5
ublox-short-range-rs ^0.5
wire4 ^0.5.2
anachro-forth-core ^0.7.8
ascii-osd-hud ^0.6
3 canadensis_can ^0.7.0
junctor ^0.5.5
light-cli ^0.4.2
lpwan ^0.5.5
n2k ^0.5.5
1 oktree ^0.8.0
phm-worker ^0.7.10
rustuino ^0.7.7
stretch2 ^0.7.9
wurth-calypso ^0.7.16
alg-grid ^0.5
alrulab-core ^0.8.0
drogue-esp8266 ^0.5.5
finny ^0.7
itsdns ^0.7
kiibohd-core-ffi ^0.7
1 minireq ^0.8
multi-mission-library-rs ^0.8.0
1 pinetime-mynewt ^0.5.1
rustworks ^0.7
rusty-dtls ^0.8.0
ssd1362 ^0.5
2 anachro-icd ^0.5.5
blues-notecard ^0.7
1 canadensis_serial ^0.7.7
drgdfu ^0.7
esp-hal-mfrc522 ^0.8.0
lc3-codec ^0.7.10
ltc681x ^0.8.0
3 signature_core ^0.7
sirena ^0.7
sunset-async ^0.8
uhr ^0.4.2
vax-number ^0.7
ad7147 ^0.7.16
aem10900 ^0.8.0
anachro-server ^0.5.5
bandsocks-sand ^0.5
drogue-tls ^0.7
hopter ^0.8
1 kiibohd-hid-io ^0.7.16
1 mqttrust_core ^0.7
2 mwatch_kernel ^0.4.2
nrf52-bin-logger ^0.5.1
1 pinetime-lvgl ^0.5.3
2 pinetime-watchface ^0.5.1
rand_pwd ^0.5.5
rart-rs ^0.7.10
sma-proto ^0.8.0
socketcand ^0.8.0
trenchcoat ^0.7
veriform ^0.5
1 w5500-tls ^0.8
booster ^0.8
canadensis_bxcan ^0.7
1 canadensis_pnp_client ^0.7.7
1 canadensis_udp ^0.7.7
coap-zero ^0.7
emc2101 ^0.8
1 expanse ^0.5.1
itla ^0.7
logz ^0.7.13
1 moonboot ^0.7
1 ockam_signature_core ^0.6
psf-rs ^0.8.0
3 rktk ^0.7.0
3 serial-settings ^0.8
1 usb-pd ^0.7.16
at-cryptoauth ^0.7
bl602-sdk ^0.7.3
blinq ^0.7.0
coap-gatt-utils ^0.7.16
dango-core ^0.7.16
2 dcs2 ^0.7.16
esp32-wroom-rp ^0.7.16
hc14-at-rs ^0.7
heapless_topo ^0.8.0
knetrs ^0.7.16
mqtt-sn ^0.7.7
mvstore ^0.7
myser ^0.7.15
postcard-heapless-compat ^0.8.0
roci ^0.8
rustot ^0.7.0
scalesocket ^0.8.0
1 tracing-rtt ^0.8
3 trussed ^0.7
ufmt-utils ^0.7.16
zip_parser ^0.7
compact-map ^0.8
emb-ssdraw ^0.8
embedded-sdmmc-dev ^0.8
esp-hal-mdns ^0.8.0
fusb302b ^0.7.16
hwatch-ansi-parser ^0.6.1
iqs323-driver ^0.8.0
is31fl3733 ^0.7.16
liecs ^0.8.0
norfs ^0.7
poststation-fw-icd ^0.8
py32f030_hal ^0.7
1 rainmaker-components ^0.8.0
rfc3339 ^0.8.0
1 rpk-firmware ^0.8
rs-matter ^0.7.16
seeed-lora-e5-at-commands ^0.8.0
smbus-adapter ^0.8
smoltcp-rmodbus ^0.8.0
smoltcp_null_modem ^0.8
ssd1331-async ^0.8.0
stratum-v1 ^0.8
480 3 micropb optional ^0.8
420 rw-exact-ext optional ^0.8
420 serde-csv-core optional ^0.7.16
370 18 ockam_node optional ^0.8
340 mayheap optional ^0.8
240 no_alloc optional ^0.5.5
220 isrc optional ^0.8.0
210 ockam_transport_ble optional ^0.8.0
160 embedded-msgpack optional ^0.7
160 unchecked-std optional ^0.8.0
160 2 ser-write optional ^0.8
150 2 postcard-bindgen-core optional ^0.8.0
130 heapless_graphs optional ^0.8.0
130 rsiot optional ^0.8.0
130 satrs optional ^0.7
120 2 kiibohd-keyscanning optional ^0.7
110 2 ft6x06 optional ^0.7
msgpck optional ^0.7.16
ockam_vault_core optional ^0.7
sacn-unofficial optional ^0.5.3
satrs-core optional ^0.7
creature_feature optional ^0.7.16
1 esp-partition-table optional ^0.8
bin-utils optional ^0.7.16
1 blipper-shared optional ^0.5.5
buf_sized optional ^0.8.0
1 channel-bridge optional ^0.8
edge-frame optional ^0.8
every_variant optional ^0.7.0
fastprio optional ^0.7.16
flex-dns optional ^0
kvs optional ^0.7.15
macbinary optional ^0.7.16
mipidsi-async optional ^0.7.16
nb-executor optional ^0.7.10
ockam_credential optional ^0.6
orouter-wireless optional ^0.7
ourobuf optional ^0.8
py-rs optional >=0.7, <0.9
pybadge-high optional ^0.7.16
3 rktk-keymanager optional ^0.7.0
2 rktk-rrp optional ^0.7.0
simple-tlv optional ^0.6.0
stor optional ^0.7.9
systemview-target optional ^0.7
ts-rs-json-value optional ^0.7
usecop optional ^0.8
399K 83 pretty-hex dev ^0.8
11K 15 rp-pico dev ^0.7.16
6.0K 6 nu-pretty-hex dev ^0.8
5.3K 45 stm32f4xx-hal dev ^0.8
2.9K 33 stm32f1xx-hal dev ^0.7.16
1.2K 1 esp32c3-hal dev ^0.8.0
1.2K xmc4-hal dev ^0.8.0
1.0K 3 esp32-hal dev ^0.8.0
1.0K 4 serde-indexed dev ^0.7.16
950 3 micromap dev ^0.8.0
900 esp32s3-hal dev ^0.8.0
750 esp32s2-hal dev ^0.8.0
700 1 riscv-peripheral dev ^0.8.0
650 esp32c6-hal dev ^0.8.0
600 n32g4xx-hal dev ^0.8
500 feather_m0 dev ^0.8
500 esp32c2-hal dev ^0.8.0
330 noshell dev ^0.8.0
300 2 sh1106 dev ^0.7.10
260 1 lpc55-hal dev ^0.7
250 2 toad-msg dev ^0.7
200 esp32h2-hal dev ^0.8.0
160 1 atoi_radix10 dev ^0.7
140 2 canadensis_encoding dev ^0.7.0
140 postcard-bindgen dev ^0.8.0
120 canadensis_macro dev ^0.7.7
110 6 stm32l4xx-hal dev ^0.5
110 insectbox dev ^0.8.0
110 1 ufmt_float dev ^0.7
1 stm32l0xx-hal dev ^0.7.1
7 miniconf dev ^0.8.0
sized-dst dev ^0.8
1 lorawan dev ^0
1 flem dev ^0.7
gsw dev ^0.7
2 stm32f1xx-hal-bxcan dev ^0.5.6
adafruit-seesaw dev ^0.8
mwatch-sdk dev ^0.4.1
ds1302 dev ^0.6
adafruit-kb2040 dev ^0.7.16
htpa32x32d dev ^0.4.0
lpc55s6x-hal dev ^0.5
1 dwm1001 dev ^0.7.8
itsybitsy_m0 dev ^0.7
pulau-rs dev ^0.7.16
ch58x-hal dev ^0.8.0
cmim dev ^0.5.1
caprand dev ^0.8
dyn_phy dev ^0.8
feather_m4 dev ^0.7
1 kwap-msg dev ^0.7
todc-mem dev ^0.7
p1am_100 dev ^0.7
firmware-controller dev ^0.7
oled_async dev ^0.7.10