Active direct dependers over time: total, gained/lost
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2
2
3
7
10
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15
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69
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101
107
111
110
126
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131
136
149
163
174
176
173
175
177
175
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190
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193
194
202
214
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228
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250
254
268
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275
275
2018 2019 2020 2021 2022 2023 2024 2025

Heapless is used at run time in 2,195 crates (of which 482 optionally). It is a direct run-time dependency in 519 crates. It's used at build time in 32 crates (of which 32 optionally, ). It's used only as a dev dependency in 162 crates (of which 31 directly).

Number of dependers Heapless version Downloads/month
1,596 0.8.0 1.2M
616 0.7.17 670K
54 0.6.1 11K
106 0.5.6 17K
16 0.4.4 120
1 0.2.7 21
Depender (with downloads and own rev deps) Heapless version
8.9M 256 ipnet optional ^0
1.0M 115 faster-hex ^0.8
2.6M 125 aead optional ^0.7
1.3M 46 zvariant optional ^0.8.0
600K 65 rstar ^0.8
754K 334 postcard optional ^0.7.0
227K 52 smoltcp ^0.8
114K 53 bevy_tasks ^0.8
325K 31 crc-any optional ^0.8
94K 4 serde_prometheus ^0.8
82K 107 embassy-sync ^0.8
59K 117 usb-device ^0.8
57K 15 wasmer-wasix ^0.8
148K 5 octseq optional ^0.8
146K 30 domain optional ^0.8
39K 6 flacenc ^0.8.0
32K 12 embassy-time-queue-utils ^0.8
96K 66 ts-rs optional >=0.7, <0.9
88K 36 serde-json-core optional ^0.8
26K 38 atsamd-hal ^0.8
24K 12 pgrx ^0.8
57K 1 vtparse optional ^0.8
14K 20 ansi-parser ^0.8.0
13K 17 embassy-usb ^0.8
12K 23 esp-idf-hal ^0.8
12K 10 iso7816 ^0.7
12K 3 bt-hci ^0.8
11K 23 embedded-svc ^0.8
10K 10 embassy-net ^0.8
10K 19 embedded-sdmmc ^0.8
9.5K 55 cortex-m-rtic ^0.7.7
9.3K 5 elliptic-curve-tools ^0.8
8.7K gt911 ^0.8
7.0K 1 embedded-test ^0.8.0
6.5K 29 esp-idf-svc ^0.8
6.2K 5 minimq ^0.8
5.5K 10 aranya-policy-vm ^0.8
5.3K 5 aranya-fast-channels ^0.7
5.3K 2 aranya-runtime ^0.8
5.0K stak-primitive ^0.8.0
4.7K 4 esp-wifi ^0.8.0
4.7K 2 embedded-tls ^0.8
4.6K 6 coap-message-implementations ^0.8
12K 4 mipidsi optional ^0.8.0
3.8K 1 reqwless ^0.8
3.5K 7 postcard-rpc ^0.8.0
3.5K 17 heapless-bytes ^0.8
3.4K 11 stak-file ^0.8.0
3.0K 2 stak-dynamic ^0.8.0
2.9K cblt ^0.8.0
2.7K 3 edge-dhcp ^0.8
2.7K 2 edge-nal-embassy ^0.8
2.6K 2 tlv-rs ^0.7.16
7.9K 8 sequential-storage optional ^0.8.0
2.4K 7 anise ^0.8.0
2.3K riot-wrappers ^0.8
2.2K 1 cyw43 ^0.8.0
2.0K 7 esp-hal-common ^0.8.0
2.0K 1 embedded-websocket-embedded-io ^0.8.0
1.9K 3 nmea ^0.8
1.8K 1 embedded-nal-coap ^0.7
1.8K 1 liboscore-cryptobackend ^0.7
1.8K 1 minicbor-adapters ^0.8.0
1.8K rust-mqtt ^0.8
1.6K 8 atat ^0.8
1.3K 4 generic-btree ^0.7.16
1.2K 1 picoserve ^0.8.0
1.2K 1 winget-types ^0.8
1.2K 4 littlefs2 ^0.7
1.2K foundation-ur ^0.8
1.1K 1 ethercrab-wire ^0.8.0
1.1K 1 ethercrab ^0.8.0
1.1K 1 udevrs ^0.8
1.1K 2 package-family-name ^0.8
1.1K 3 rtic-sync ^0.8
3.7K 9 postcard-schema optional ^0.7
1.0K kywy ^0.8
1.0K 1 seeed-erpc ^0.8.0
1.0K 1 coap-message-demos ^0.7
950 8 palaver ^0.5
3.0K 6 rmodbus optional ^0.8.0
800 1 usbd-human-interface-device ^0.8
650 5 mqttrs ^0.7
600 1 embedded-nal-minimal-coapserver ^0.5
550 libsbf ^0.8.0
2.1K 3 littlefs2-core optional ^0.7
500 tracing-prof ^0.8.0
2.0K 2 encdec-base optional ^0.8.0
480 buoyant ^0.8
460 scalesocket ^0.8.0
1.8K 1 justjson optional ^0.8.0
450 1 cody-c ^0.8.0
420 2 nrf-softdevice ^0.8.0
410 2 ctap-types ^0.7
400 4 many_cpus ^0.8
380 2 loro-delta ^0.8.0
1.6K 3 serde_at optional ^0.8
370 4 ws2812-esp32-rmt-driver ^0.8
350 3 smoltcp-nal ^0.7
350 11 cortex-m-rtfm ^0.5.0
340 canadensis_bxcan ^0.7
320 3 esp32-nimble ^0.8.0
300 rmk ^0.8.0
300 1 eb90 ^0.7
290 2 kanata-keyberon ^0.7.16
280 3 blinksy ^0.8.0
1.3K 3 micropb optional ^0.8
280 1 canadensis_udp ^0.7.7
270 1 canadensis_serial ^0.7.7
250 3 mfrc522 ^0.8
250 finny ^0.7
230 wio_terminal ^0.8
220 ublox-sockets ^0.7
210 esp-csi-rs ^0.8.0
200 axum-postcard ^0.8
180 1 edge-http ^0.8
1.0K 1 random_variant optional ^0.7
170 1 esp-embassy-wifihelper ^0.8.0
160 booster ^0.8
160 14 wasmrs-codec ^0.7
150 hwatch ^0.8.0
140 1 ppproto ^0.8.0
140 usbpd ^0.8.0
140 usbd-ccid ^0.7
140 psf-rs ^0.8.0
140 trouble-host ^0.8
140 no-std-moving-average ^0.8.0
140 blues-notecard ^0.7
130 icm42605-driver ^0.8.0
130 1 noproto ^0.8
130 esp-embassy-config ^0.8.0
900 uip-solana-sdk optional ^0.8
900 1 edge-executor optional ^0.8
130 5 sans-io-runtime ^0.8
130 stacksat128 ^0.8
130 stretch2 ^0.7.9
120 1 riscv-slic ^0.8.0
120 1 embedded-websocket ^0.7.16
120 se05x ^0.7
120 3 apdu-dispatch ^0.7
120 4 embedded-nano-mesh ^0.8
120 3 ushell ^0.8.0
110 1 edge-mdns ^0.8
110 3 signature_core ^0.7
110 ais ^0.7
110 2 ockam_executor ^0.8
110 shufl ^0.8.0
110 thermostat-eem ^0.8
100 4 tracing-serde-structured ^0.7.10
800 8 st7789 optional ^0.7
3 miniconf_mqtt ^0.8
ekv ^0.8
foundation-urtypes ^0.8
foundation-firmware ^0.8
tinygif ^0.7.16
2 gctex ^0.8.0
keyberon ^0.5
750 1 serde-brief optional ^0.8.0
is31fl3743b ^0.7
1 edge-nal-std ^0.8
blinq ^0.7.0
1 ssp ^0.7
max11300 ^0.8
shproto-rs ^0.7.16
2 va108xx-hal ^0.8
7 kll-core ^0.7
nutp ^0.8
1 i2c-pio ^0.8.0
microscpi ^0.8.0
esp-ieee802154 ^0.8.0
8 pgx ^0.7.16
pacmog ^0.8.0
1 canadensis_pnp_client ^0.7.7
roci ^0.8
hopter ^0.8
2 mwatch_kernel ^0.4.2
senml-deser ^0.7
log-to-defmt ^0.7
1 hid-io-core ^0.7
2 klogger ^0.7.14
2 async-io-mini ^0.8
Rusty_CryptoAuthLib ^0.5.5
nostr-nostd ^0.7.14
barebones-watchface ^0.5.1
2 byte-slab ^0.7.5
infinity-sampler ^0.8
2 anachro-icd ^0.5.5
mcutie ^0.7.0
1 monster_chess ^0.8.0
2 pinetime-watchface ^0.5.1
600 serde-csv-core optional ^0.7.16
1 lorawan-device ^0.7
dmx512-rdm-protocol ^0.8.0
erdnuss-comms ^0.7.0
2 mqttrust ^0.7
prinThor ^0.8.0
2 va416xx-hal ^0.8
7 canadensis_core ^0.7.7
2 jh71xx-hal ^0.7
4 hmac-sha ^0.7
nrf-modem-nal ^0.7.10
tfmt ^0.8.0
os_essentials ^0.8
kolibri-embedded-gui ^0.8
ltc681x ^0.8.0
nuttx-embedded-hal ^0.7.10
1 phm ^0.7.10
1 w5500-tls ^0.8
leak-detect-allocator ^0.5.4
1 oktree ^0.8.0
sirena ^0.7
3 embedded-nal-tcpextensions ^0.7
embassy-net-esp-hosted ^0.8
hermit-kernel ^0.8
1 noshell-parser ^0.8.0
rustot ^0.7.0
2 trackball ^0.8.0
canboat-rs ^0.8.0
codec ^0.8.0
1 dot15d4-frame ^0.8.0
embassy-net-adin1110 ^0.8
5 kaspa-wallet-core ^0.8.0
sidh ^0.7.7
zmodem2 ^0.8.0
can_aerospace_lite ^0.7.4
etherage ^0.7.16
logz ^0.7.13
embedded-packet-io ^0.8.0
oath-authenticator ^0.7
esp-at-nal ^0.8
esp-hal-dhcp-server ^0.8.0
multi-mission-library-rs ^0.8.0
choreographer ^0.7.1
crdt-richtext ^0.7.16
embedded-jsonrpc ^0.8.0
scd30 ^0.4.2
embedded-fps ^0.7
1 embedded-update ^0.7
emc2101 ^0.8
mountain-mqtt ^0.8
smbus-adapter ^0.8
ascii-osd-hud ^0.6
drogue-es-wifi ^0.5.6
3 drogue-network ^0.5
factbird-common ^0.7
fido-authenticator ^0.7
m5dial-bsp ^0.8.0
alg-grid ^0.5
alrulab-core ^0.8.0
anachro-forth-core ^0.7.8
crankstart ^0.6.1
3 dmx-rdm ^0.8
edge-std-nal-async ^0.8
eui-no-std ^0.5
handdrawn-watchface ^0.5.1
lc3-codec ^0.7.10
libwebauthn ^0.7
robokit ^0.7
usbd-ethernet ^0.8
drogue-rak811 ^0.5.5
embedded-sdmmc-dev ^0.8
1 lpc55-rtic ^0.6.0
mqtt-sn ^0.7.7
orouter-serial ^0.7
svisual ^0.7
tinywake ^0.8.0
3 trussed ^0.7
algo_no_std ^0.7.16
bandsocks-sand ^0.5
drogue-http-client ^0.5
embedded-huffman ^0.8.0
1 expanse ^0.5.1
kiibohd-hall-effect-keyscanning ^0.7
mvstore ^0.7
quicklog ^0.7.16
rfm69-async ^0.7.16
ufmt-utils ^0.7.16
anachro-server ^0.5.5
blipper ^0.5.1
2 canadensis_data_types ^0.7.7
embedded-plots ^0.7.3
kiibohd-core-ffi ^0.7
1 kiibohd-usb ^0.7
onecable ^0.8.0
writebuf-core ^0.7
embedded-c-sdk-bind-hal ^0.8.0
1 embedded-nal-minimal-coaptcpserver ^0.7
1 futex-queue ^0.7
hwatch-ansi-parser ^0.6.1
knetrs ^0.7.16
timesource ^0.7.8
ublox-cellular-rs ^0.7
urpc ^0.5.1
2 dcs2 ^0.7.16
1 doip-codec ^0.8.0
emb-ssdraw ^0.8
hal-sim ^0.8
iotzio ^0.8
1 kiibohd-hid-io-ffi ^0.7.10
miniconf_cli ^0.8.0
nmea-0183-validator ^0.7.10
1 nrfxlib ^0.7
postcard-heapless-compat ^0.8.0
quectel-bg77 ^0.7.3
rand_pwd ^0.5.5
1 rucos ^0.7
state-governor ^0.7.4
2 sunset ^0.8
synth-utils ^0.7
uhr ^0.4.2
veriform ^0.5
xdevs-no-std ^0.8
ak09940a ^0.8
core-serde-json ^0.5.0
1 drogue-ffi-compat ^0.5.5
esp-hal-mdns ^0.8.0
fusb302b ^0.7.16
heapless_matrix ^0.8.0
1 hm11 ^0.4.1
is31fl3733 ^0.7.16
2 kiibohd-hall-effect ^0.7
1 kiibohd-hid-io ^0.7.16
lpwan ^0.5.5
1 minireq ^0.8
mwatch-kernel-stm32l4 ^0.4.2
opslag ^0.8.0
serde_can ^0.8
stabilizer ^0.8
tiny-nmea ^0.7.5
ublox-short-range-rs ^0.5
1 wasm4-impl ^0.7.9
zip_parser ^0.7
2 canadensis ^0.7.0
embedded-exfat ^0.7
esp-at-driver ^0.6.1
1 fuga-json-seq-parser ^0.7.16
fuga-remo-api ^0.7.16
gmqtt ^0.7.7
google-cloud-iot-jwt ^0.7.9
hc14-at-rs ^0.7
3 hid-io-protocol ^0.7
iqs323-driver ^0.8.0
itla ^0.7
keytokey ^0.7
liecs ^0.8.0
max32660-hal 0.7.*
mcumeter ^0.7
1 moonboot ^0.7
n2k ^0.5.5
person-sensor ^0.8
phm-worker ^0.7.10
1 pinetime-lvgl ^0.5.3
rustuino ^0.7.7
3 serial-settings ^0.8
stm32wb-hal ^0.5.3
digital-filter ^0.5.1
es-wifi-driver ^0.7
esp-hal-mfrc522 ^0.8.0
mini-rxtx ^0.7
py32f030_hal ^0.7
1 rpk-firmware ^0.8
3 rubble ^0.5.1
rustworks ^0.7
ssd1362 ^0.5
ansi_parser_extended ^0.8.0
esp32-wroom-rp ^0.7.16
mnemos ^0.7.10
pca9539 ^0.8.0
1 purezen ^0.4
rak811-at-driver ^0.7
rfc3339 ^0.8.0
2 rktk-drivers-common ^0.7.0
roboplc-rpc ^0.8
1 a4-core ^0.7.8
cheetah-game-realtime-protocol ^0.7.16
coap-zero ^0.7
compact-map ^0.8
drgdfu ^0.7
drogue-esp8266 ^0.5.5
drogue-tls ^0.7
itsdns ^0.7
junctor ^0.5.5
1 mqttrust_core ^0.7
myser ^0.7.15
1 rainmaker-components ^0.8.0
3 rktk ^0.7.0
rusty-dtls ^0.8.0
rx8900 ^0.8
smoltcp-rmodbus ^0.8.0
sunset-async ^0.8
verdigris ^0.6
wurth-calypso ^0.7.16
zipng ^0.7.16
blinker ^0.8
coapcore ^0.8.0
esp8266-at-driver ^0.7
esp8266-wifi-serial ^0.7
1 graphite_magma ^0.7.15
2 graphite_server ^0.7.15
light-cli ^0.4.2
mks979b ^0.7.10
moondancer ^0.8.0
nrf52-bin-logger ^0.5.1
nucleo-h7xx ^0.7.16
nw-engine ^0.8.0
ockam_entity ^0.7
1 ockam_signature_core ^0.6
2 phm-icd ^0.7.10
1 pinetime-mynewt ^0.5.1
poststation-fw-icd ^0.8
rart-rs ^0.7.10
rktk-drivers-nrf ^0.7.0
rp-rs-radio-clock ^0.8
rsa_heapless ^0.8.0
1 tracing-rtt ^0.8
trenchcoat ^0.7
1 usb-pd ^0.7.16
vax-number ^0.7
ad7147 ^0.7.16
aem10900 ^0.8.0
at-cryptoauth ^0.7
bl602-sdk ^0.7.3
3 canadensis_can ^0.7.0
crosstrait ^0.8
disco-rs ^0.7
seeed-lora-e5-at-commands ^0.8.0
vesc-comm ^0.4.1
1 vhrdcan ^0.5.6
watchface ^0.5
wire4 ^0.5.2
coap-gatt-utils ^0.7.16
dango-core ^0.7.16
heapless_topo ^0.8.0
ndef ^0.8
norfs ^0.7
rs-matter ^0.7.16
smoltcp_null_modem ^0.8
socketcand ^0.8.0
ssd1331-async ^0.8.0
stratum-v1 ^0.8
460 3 flexiber optional ^0.7.0
450 3 cbor-smol optional ^0.7
440 nanoxml optional ^0.8.0
440 hd44780-controller optional ^0.8.0
420 rw-exact-ext optional ^0.8
310 sma-proto optional ^0.8.0
280 ws6in1-proto optional ^0.8.0
230 systemview-target optional ^0.7
170 isrc optional ^0.8.0
140 embedded-msgpack optional ^0.7
120 satrs optional ^0.7
110 flex-dns optional ^0
110 18 ockam_node optional ^0.8
2 ft6x06 optional ^0.7
ockam_vault_core optional ^0.7
sacn-unofficial optional ^0.5.3
le-stream optional ^0.8
creature_feature optional ^0.7.16
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
1 esp-partition-table optional ^0.8
every_variant optional ^0.7.0
fastprio optional ^0.7.16
heapless_graphs optional ^0.8.0
2 kiibohd-keyscanning optional ^0.7
kvs optional ^0.7.15
macbinary optional ^0.7.16
1 mayheap optional ^0.8
mipidsi-async optional ^0.7.16
mqtt-tiny optional ^0.8.0
msgpck optional ^0.7.16
nb-executor optional ^0.7.10
no_alloc optional ^0.5.5
ockam_credential optional ^0.6
ockam_transport_ble optional ^0.8.0
orouter-wireless optional ^0.7
ourobuf optional ^0.8
2 postcard-bindgen-core optional ^0.8.0
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
rsiot optional ^0.8.0
satrs-core optional ^0.7
2 ser-write optional ^0.8
simple-tlv optional ^0.6.0
stor optional ^0.7.9
ts-rs-json-value optional ^0.7
unchecked-std optional ^0.8.0
usecop optional ^0.8
wasm-msgpack optional ^0.7
341K 84 pretty-hex dev ^0.8
22K 45 stm32f4xx-hal dev ^0.8
12K 15 rp-pico dev ^0.7.16
6.0K 6 nu-pretty-hex dev ^0.8
2.4K 34 stm32f1xx-hal dev ^0.7.16
1.7K 3 micromap dev ^0.8.0
950 1 esp32c3-hal dev ^0.8.0
900 3 esp32-hal dev ^0.8.0
850 feather_m0 dev ^0.8
700 esp32s3-hal dev ^0.8.0
550 esp32s2-hal dev ^0.8.0
500 5 serde-indexed dev ^0.7.16
500 esp32c6-hal dev ^0.8.0
480 feather_m4 dev ^0.7
430 esp32c2-hal dev ^0.8.0
340 2 sh1106 dev ^0.7.10
250 daisy-embassy dev ^0.8
250 1 atoi_radix10 dev ^0.7
250 2 toad-msg dev ^0.7
160 7 miniconf dev ^0.8.0
160 esp32h2-hal dev ^0.8.0
130 1 lpc55-hal dev ^0.7
130 6 stm32l4xx-hal dev ^0.5
100 1 lorawan dev ^0
100 2 riscv-peripheral dev ^0.8.0
100 1 stm32l0xx-hal dev ^0.7.1
1 ufmt_float dev ^0.7
sized-dst dev ^0.8
1 flem dev ^0.7
gsw dev ^0.7
itsybitsy_m0 dev ^0.7
adafruit-seesaw dev ^0.8
cmim dev ^0.5.1
1 kwap-msg dev ^0.7
1 oled_async dev ^0.7.10
p1am_100 dev ^0.7
ch58x-hal dev ^0.8.0
noshell dev ^0.8.0
mwatch-sdk dev ^0.4.1
1 dwm1001 dev ^0.7.8
postcard-bindgen dev ^0.8.0
xmc4-hal dev ^0.8.0
2 canadensis_encoding dev ^0.7.0
pulau-rs dev ^0.7.16
adafruit-kb2040 dev ^0.7.16
insectbox dev ^0.8.0
firmware-controller dev ^0.7
htpa32x32d dev ^0.4.0
lpc55s6x-hal dev ^0.5
caprand dev ^0.8
dyn_phy dev ^0.8
n32g4xx-hal dev ^0.8
ds1302 dev ^0.6
2 stm32f1xx-hal-bxcan dev ^0.5.6
canadensis_macro dev ^0.7.7
todc-mem dev ^0.7