Active direct dependers over time: total, gained/lost
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2018 2019 2020 2021 2022 2023 2024

Heapless is used at run time in 1,340 crates (of which 267 optionally). It is a direct run-time dependency in 440 crates. It's used at build time in 1 crate (). It's used only as a dev dependency in 112 crates (of which 30 directly).

Number of dependers Heapless version Downloads/month
639 0.8.0 573K
637 0.7.17 368K
51 0.6.1 8.9K
109 0.5.6 12K
16 0.4.4 700
1 0.2.7 54
Depender (with downloads and own rev deps) Heapless version
7.9M 213 ipnet optional ^0
2.0M 109 aead optional ^0.7
492K 97 faster-hex ^0.8
308K 54 rstar ^0.8
705K 43 zvariant optional ^0.8.0
510K 251 postcard optional ^0.7.0
118K 47 smoltcp ^0.8
79K 76 embassy-sync ^0.8
58K 2 serde_prometheus ^0.8
44K 13 wasmer-wasix ^0.7.16
40K 113 usb-device ^0.8
30K 78 embassy-time ^0.8
86K 4 octseq optional ^0.8
84K 31 serde-json-core optional ^0.8
83K 26 domain optional ^0.8
25K 9 pgrx ^0.8
69K 53 ts-rs optional >=0.7, <0.9
66K 29 crc-any optional ^0.8
19K 6 flacenc ^0.8.0
13K 21 esp-idf-hal ^0.8
12K 10 iso7816 ^0.7
11K 22 embedded-svc ^0.8
10K 1 embedded-test ^0.8.0
10K 2 esp-idf-part ^0.8.0
8.4K 25 esp-idf-svc ^0.8
8.3K komac ^0.8.0
8.0K 1 bt-hci ^0.8
7.9K 60 cortex-m-rtic ^0.7.7
7.3K 4 embassy-net ^0.8
6.9K 10 embassy-usb ^0.8
5.7K 14 heapless-bytes ^0.8
5.2K 8 palaver ^0.5
4.3K 2 tlv-rs ^0.7.16
4.0K 16 ansi-parser ^0.8.0
3.4K 18 embedded-sdmmc ^0.8
3.1K 1 esp-wifi ^0.8.0
2.8K 8 atat ^0.8
2.7K 3 coap-message-implementations ^0.8
8.3K 3 mipidsi optional ^0.8.0
2.4K 2 anise ^0.8.0
2.4K 9 stak-file ^0.8.0
2.3K 5 minimq ^0.7
1.9K 4 mqttrs ^0.7
1.9K 4 postcard-rpc ^0.8.0
1.7K embedded-plots ^0.7.3
1.5K 7 esp-hal-common ^0.8.0
1.5K dmx512-rdm-protocol ^0.8.0
1.2K 3 nmea ^0.8
1.1K 3 miniconf_mqtt ^0.8
1.1K 2 kanata-keyberon ^0.7.16
1.1K rust-mqtt ^0.8
1.1K 3 rtic-sync ^0.8
1.0K le-stream ^0.8
1.0K 2 elliptic-curve-tools ^0.8
900 foundation-ur ^0.8
900 1 embedded-nal-coap ^0.7
900 1 coap-message-demos ^0.7
3.1K 1 justjson optional ^0.8.0
3.0K every_variant optional ^0.7.0
800 1 seeed-erpc ^0.5
800 2 ctap-types ^0.7
2.9K 1 random_variant optional ^0.7
2.8K 3 serde_at optional ^0.8
750 3 embedded-nano-mesh ^0.7.0
700 3 smoltcp-nal ^0.7
700 mini-rxtx ^0.7
650 1 reqwless ^0.8
650 1 embedded-nal-minimal-coapserver ^0.5
600 2 embedded-tls ^0.8
600 2 ockam_executor ^0.8
550 1 package-family-name ^0.8
550 1 edge-nal-std ^0.8
550 1 cody-c ^0.8.0
500 1 ppproto ^0.8.0
500 foundation-firmware ^0.8
500 2 esp32-nimble ^0.8.0
500 foundation-urtypes ^0.8
470 1 async-io-mini ^0.8
460 se05x ^0.7
430 2 loro-delta ^0.8.0
430 hopter ^0.8
420 4 littlefs2 ^0.7
420 1 nrfxlib ^0.7
390 1 cyw43 ^0.8.0
390 5 embedded-nal-tcpextensions ^0.7
380 3 mfrc522 ^0.7
380 1 udevrs ^0.7
370 heapless_topo ^0.8.0
370 2 rmk ^0.8.0
370 4 generic-btree ^0.7.16
340 3 apdu-dispatch ^0.7
340 2 sans-io-runtime ^0.8
310 heapless_matrix ^0.8.0
310 esp-ieee802154 ^0.8.0
270 1 dmx-rdm ^0.8
250 smoltcp_null_modem ^0.8
220 9 aranya-policy-vm ^0.7
220 1 eb90 ^0.7
200 2 aranya-runtime ^0.7
200 1 mqttrust_core ^0.7
200 1 noproto ^0.8
1.1K 2 encdec-base optional ^0.7.16
190 3 aranya-fast-channels ^0.7
190 1 embedded-websocket ^0.7.16
180 moondancer ^0.8.0
180 stak-primitive ^0.8.0
180 emc2101 ^0.8
1.0K 7 st7789 optional ^0.7
180 pigg ^0.8.0
180 3 signature_core ^0.7
1.0K 3 cbor-smol optional ^0.7
170 ais ^0.7
170 11 cortex-m-rtfm ^0.5.0
160 esp-hal-dhcp-server ^0.8.0
160 rsa_heapless ^0.8.0
160 embedded-c-sdk-bind-hal ^0.8.0
950 17 ockam_node optional ^0.8
160 4 tracing-serde-structured ^0.7.10
150 wio_terminal ^0.5
950 3 flexiber optional ^0.7.0
140 2 trackball ^0.8.0
140 hwatch ^0.8.0
140 microscpi ^0.8.0
140 ssd1331-async ^0.8.0
140 psf-rs ^0.8.0
130 finny ^0.7
130 14 wasmrs-codec ^0.7
130 1 nrf-softdevice ^0.8.0
130 quectel-bg77 ^0.7.3
120 1 picoserve ^0.8.0
120 3 ushell ^0.7.1
120 riscv-slic ^0.8.0
100 kiibohd-hall-effect-keyscanning ^0.7
1 ssp ^0.7
800 5 rmodbus optional ^0.8.0
ethercrab ^0.8.0
pacmog ^0.8.0
rktk ^0.8.0
is31fl3743b ^0.7
1 edge-mdns ^0.8
700 ockam_transport_ble optional ^0.8.0
ockam_entity ^0.7
1 usbd-human-interface-device ^0.8
smbus-adapter ^0.8
1 ethercrab-wire ^0.8.0
nutp ^0.8
1 i2c-pio ^0.8.0
sidh ^0.7.7
infinity-sampler ^0.8
crosstrait ^0.8
riot-wrappers ^0.8
2 edge-dhcp ^0.8
hal-sim ^0.8
rp-rs-radio-clock ^0.8
5 kaspa-wallet-core ^0.8.0
7 kll-core ^0.7
2 mwatch_kernel ^0.4.2
7 canadensis_core ^0.7.7
1 edge-nal-embassy ^0.8
1 hid-io-core ^0.7
ltc681x ^0.8.0
quicklog ^0.7.16
Rusty_CryptoAuthLib ^0.5.5
8 pgx ^0.7.16
axum-postcard ^0.8
1 embedded-websocket-embedded-io ^0.8.0
lc3-codec ^0.7.10
nostr-nostd ^0.7.14
usbd-ccid ^0.7
1 edge-http ^0.8
2 klogger ^0.7.14
roci ^0.8
sma-proto ^0.8.0
2 phm-icd ^0.7.10
2 pinetime-watchface ^0.5.1
3 serial-settings ^0.8
2 canadensis_data_types ^0.7.7
keytokey ^0.7
stratum-v1 ^0.8
drgdfu ^0.7
1 jh71xx-hal ^0.7
thermostat-eem ^0.8
1 hm11 ^0.4.1
prinThor ^0.8.0
3 canadensis_can ^0.7.0
2 sunset ^0.8
blues-notecard ^0.7
erdnuss-comms ^0.7.0
nrf-modem-nal ^0.7.10
2 canadensis ^0.7.0
1 rucos ^0.7
1 fuga-json-seq-parser ^0.7.16
1 lorawan-device ^0.7
max32660-hal 0.7.*
nrf52-bin-logger ^0.5.1
pca9539 ^0.8.0
esp-at-nal ^0.7.16
nuttx-embedded-hal ^0.7.10
1 phm ^0.7.10
robokit ^0.7
tinygif ^0.7.16
bl602-sdk ^0.7.3
disco-rs ^0.7
1 lpc55-rtic ^0.6.0
sirena ^0.7
state-governor ^0.7.4
3 rubble ^0.5.1
rx8900 ^0.8
stretch2 ^0.7.9
logz ^0.7.13
socketcand ^0.8.0
log-to-defmt ^0.7
1 tracing-rtt ^0.8
esp8266-at-driver ^0.7
1 futex-queue ^0.7
keyberon ^0.5
oath-authenticator ^0.7
shproto-rs ^0.7.16
google-cloud-iot-jwt ^0.7.9
rart-rs ^0.7.10
esp8266-wifi-serial ^0.7
3 hid-io-protocol ^0.7
stabilizer ^0.8
synth-utils ^0.7
1 canadensis_pnp_client ^0.7.7
drogue-tls ^0.7
550 1 edge-executor optional ^0.8
1 purezen ^0.4
rand_pwd ^0.5.5
ssd1362 ^0.5
stm32wb-hal ^0.5.3
xdevs-no-std ^0.8
1 moonboot ^0.7
2 mqttrust ^0.7
sunset-async ^0.8
alg-grid ^0.5
anachro-forth-core ^0.7.8
3 ctaphid-dispatch ^0.7
drogue-http-client ^0.5
embedded-fps ^0.7
1 liboscore-cryptobackend ^0.7
550 2 postcard-bindgen-core optional ^0.8.0
smoltcp-rmodbus ^0.8.0
writebuf-core ^0.7
drogue-esp8266 ^0.5.5
itla ^0.7
leak-detect-allocator ^0.5.4
mqtt-sn ^0.7.7
orouter-serial ^0.7
1 w5500-tls ^0.8
algo_no_std ^0.7.16
ansi_parser_extended ^0.8.0
blinq ^0.7.0
crankstart ^0.6.1
1 drogue-ffi-compat ^0.5.5
edge-std-nal-async ^0.8
es-wifi-driver ^0.7
factbird-common ^0.7
fuga-remo-api ^0.7.16
mvstore ^0.7
tfmt ^0.8.0
blipper ^0.5.1
digital-filter ^0.5.1
drogue-es-wifi ^0.5.6
drogue-rak811 ^0.5.5
1 graphite_magma ^0.7.15
1 minireq ^0.8
mnemos ^0.7.10
rs-matter ^0.7.16
rustworks ^0.7
3 trussed ^0.7
urpc ^0.5.1
zmodem2 ^0.8.0
1 a4-core ^0.7.8
embassy-net-esp-hosted ^0.8
esp-hal-mfrc522 ^0.8.0
etherage ^0.7.16
gmqtt ^0.7.7
handdrawn-watchface ^0.5.1
mcumeter ^0.7
seeed-lora-e5-at-commands ^0.8.0
timesource ^0.7.8
2 anachro-icd ^0.5.5
esp-at-driver ^0.6.1
esp32-wroom-rp ^0.7.16
2 gctex ^0.8.0
1 monster_chess ^0.8.0
nmea-0183-validator ^0.7.10
rustuino ^0.7.7
500 serde-brief optional ^0.8.0
uhr ^0.4.2
booster ^0.8
canadensis_bxcan ^0.7
1 canadensis_serial ^0.7.7
crdt-richtext ^0.7.16
mks979b ^0.7.10
multi-mission-library-rs ^0.8.0
mwatch-kernel-stm32l4 ^0.4.2
rfm69-async ^0.7.16
senml-deser ^0.7
tiny-nmea ^0.7.5
2 byte-slab ^0.7.5
1 canadensis_udp ^0.7.7
junctor ^0.5.5
light-cli ^0.4.2
lpwan ^0.5.5
n2k ^0.5.5
nucleo-h7xx ^0.7.16
phm-worker ^0.7.10
1 pinetime-mynewt ^0.5.1
itsdns ^0.7
kiibohd-core-ffi ^0.7
1 kiibohd-hid-io ^0.7.16
person-sensor ^0.8.0
scalesocket ^0.8.0
svisual ^0.7
3 drogue-network ^0.5
ublox-short-range-rs ^0.5
1 usb-pd ^0.7.16
usbd-ctaphid ^0.7
1 vhrdcan ^0.5.6
1 wasm4-impl ^0.7.9
zip_parser ^0.7
zipng ^0.7.16
1 embedded-update ^0.7
eui-no-std ^0.5
3 hmac-sha ^0.7
max11300 ^0.8
myser ^0.7.15
scd30 ^0.4.2
ufmt-utils ^0.7.16
usbd-ethernet ^0.7
vax-number ^0.7
verdigris ^0.6
veriform ^0.5
vesc-comm ^0.4.1
watchface ^0.5
wire4 ^0.5.2
wurth-calypso ^0.7.16
alrulab-core ^0.8.0
ascii-osd-hud ^0.6
barebones-watchface ^0.5.1
can_aerospace_lite ^0.7.4
cheetah-game-realtime-protocol ^0.7.16
choreographer ^0.7.1
coap-gatt-utils ^0.7.16
coap-zero ^0.7
compact-map ^0.8
embassy-net-adin1110 ^0.8
fido-authenticator ^0.7
2 kiibohd-hall-effect ^0.7
1 kiibohd-hid-io-ffi ^0.7.10
1 kiibohd-usb ^0.7
1 ockam_signature_core ^0.6
1 pinetime-lvgl ^0.5.3
rustot ^0.7.0
trenchcoat ^0.7
ublox-cellular-rs ^0.7
ublox-sockets ^0.7
ad7147 ^0.7.16
anachro-server ^0.5.5
at-cryptoauth ^0.7
bandsocks-sand ^0.5
core-serde-json ^0.5.0
2 dcs2 ^0.7.16
embedded-exfat ^0.7
1 embedded-nal-minimal-coaptcpserver ^0.7
1 expanse ^0.5.1
2 graphite_server ^0.7.15
hc14-at-rs ^0.7
knetrs ^0.7.16
miniconf_cli ^0.8.0
rak811-at-driver ^0.7
dango-core ^0.7.16
fusb302b ^0.7.16
hwatch-ansi-parser ^0.6.1
is31fl3733 ^0.7.16
kolibri-embedded-gui ^0.7
norfs ^0.7
oktree ^0.8.0
410 1 esp-partition-table optional ^0.8
340 1 littlefs2-core optional ^0.7
270 serde-csv-core optional ^0.7.16
250 5 postcard-schema optional ^0.7
180 unchecked-std optional ^0.8.0
140 satrs optional ^0.7
120 2 ser-write optional ^0.8
110 pybadge-high optional ^0.7.16
110 edge-frame optional ^0.8
110 2 ft6x06 optional ^0.7
110 1 channel-bridge optional ^0.8
embedded-msgpack optional ^0.7
msgpck optional ^0.7.16
ockam_vault_core optional ^0.7
buf_sized optional ^0.8.0
bin-utils optional ^0.7.16
1 blipper-shared optional ^0.5.5
creature_feature optional ^0.7.16
fastprio optional ^0.7.16
flex-dns optional ^0
2 kiibohd-keyscanning optional ^0.7
kvs optional ^0.7.15
macbinary optional ^0.7.16
1 micropb optional ^0.8
mipidsi-async optional ^0.7.16
nb-executor optional ^0.7.10
no_alloc optional ^0.5.5
ockam_credential optional ^0.6
orouter-wireless optional ^0.7
rsiot optional ^0.8.0
rw-exact-ext optional ^0.8
sacn-unofficial optional ^0.5.3
satrs-core optional ^0.7
simple-tlv optional ^0.6.0
stor optional ^0.7.9
systemview-target optional ^0.7
ts-rs-json-value optional ^0.7
wasm-msgpack optional ^0.7
308K 78 pretty-hex dev ^0.8
10K 15 rp-pico dev ^0.7.16
6.8K 44 stm32f4xx-hal dev ^0.8
6.1K 6 nu-pretty-hex dev ^0.8
3.4K 13 rtic dev ^0.8
1.5K 7 miniconf dev ^0.8.0
1.2K 32 stm32f1xx-hal dev ^0.7.16
900 3 serde-indexed dev ^0.7.16
800 1 atoi_radix10 dev ^0.7
600 1 esp32s3-hal dev ^0.8.0
600 1 lpc55-hal dev ^0.7
550 2 esp32c3-hal dev ^0.8.0
550 1 esp32s2-hal dev ^0.8.0
500 riscv-peripheral dev ^0.8.0
470 5 esp32-hal dev ^0.8.0
450 adafruit-kb2040 dev ^0.7.16
350 dyn_phy dev ^0.8
280 feather_m0 dev ^0.7
270 feather_m4 dev ^0.7
270 1 micromap dev ^0.8.0
210 1 esp32c6-hal dev ^0.8.0
170 esp32c2-hal dev ^0.8.0
160 firmware-controller dev ^0.7
140 itsybitsy_m0 dev ^0.7
120 p1am_100 dev ^0.7
n32g4xx-hal dev ^0.8
sized-dst dev ^0.8
1 kwap-msg dev ^0.7
esp32h2-hal dev ^0.8.0
1 dwm1001 dev ^0.7.8
6 stm32l4xx-hal dev ^0.5
2 canadensis_encoding dev ^0.7.0
1 lorawan dev ^0
1 stm32l0xx-hal dev ^0.7.1
1 sh1106 dev ^0.7.10
1 ufmt_float dev ^0.7
mwatch-sdk dev ^0.4.1
ds1302 dev ^0.6
2 stm32f1xx-hal-bxcan dev ^0.5.6
htpa32x32d dev ^0.4.0
lpc55s6x-hal dev ^0.5
canadensis_macro dev ^0.7.7
2 toad-msg dev ^0.7
1 flem dev ^0.7
pulau-rs dev ^0.7.16
todc-mem dev ^0.7
gsw dev ^0.7
xmc4-hal dev ^0.8.0
caprand dev ^0.8
ch58x-hal dev ^0.8.0
cmim dev ^0.5.1
oled_async dev ^0.7.10