Active direct dependers over time: total, gained/lost
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183
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2019 2020 2021 2022 2023 2024 2025

Postcard is used at run time in 857 crates (of which 151 optionally). It is a direct run-time dependency in 259 crates. It's used at build time in 1 crate (). It's used only as a dev dependency in 81 crates (of which 66 directly).

Number of dependers Postcard version Downloads/month
864 1.1.1 751K
47 0.7.3 16K
17 0.5.2 850
11 0.4.3 8
Depender (with downloads and own rev deps) Postcard version
10.8M 54 icu_provider optional ^1.0.1
455K 29 wasmtime-environ ^1.0.8
452K 213 wasmtime ^1.0.8
367K 5 wasmtime-cache ^1.0.8
655K 51 cranelift-codegen optional ^1.0.8
56K 13 risc0-binfmt ^1
98K 8 server_fn optional ^1
31K 11 icu_provider_blob ^1.0.1
55K 4 risc0-circuit-rv32im optional ^1.1.1
14K 10 fuel-core-chain-config ^1.0
14K 20 fuel-core-storage ^1.0
41K 3 test-fuzz-internal optional ^1.1
12K 13 fuels-core ^1
10K 1 proof-of-sql ^1.0
29K 24 fuel-tx optional ^1.0
9.5K 3 iroh-relay ^1
7.4K 4 iroh-gossip ^1
7.0K virtiofsd ^1.0
6.5K 1 spideroak-crypto ^1
4.3K 15 aranya-crypto ^1
4.2K 10 aranya-policy-vm ^1
12K 22 iroh-base optional ^1
4.1K 2 aranya-runtime ^1
4.1K 1 aranya-idam-ffi ^1
4.1K 1 aranya-crypto-ffi ^1
4.1K 1 aranya-afc-util ^1
11K 5 icu_provider_fs optional ^1.0.1
9.9K 13 frost-core optional ^1.0.0
3.0K 5 iroh-blobs ^1
3.0K frost-dkg ^1.1
2.5K 11 fuel-core ^1.0
2.3K grafbase-sdk ^1
2.1K 6 postcard-rpc ^1.0.10
1.7K 1 nintypes ^1.1.1
1.7K 10 bevy_replicon ^1.1
1.7K 4 serde-encrypt ^0.7
1.7K 9 libafl ^1.0.10
1.7K 1 fuel-core-wasm-executor ^1.0
1.7K 1 fuel-core-p2p ^1.0
1.6K 8 iroh-net ^1
1.5K 1 postcard-dyn ^1.0.10
4.7K 10 quic-rpc optional ^1
4.4K 18 bevy_common_assets optional ^1.0
1.2K iroh-cli ^1.0.8
1.1K aranya-aqc-util ^1
1.0K 2 fuel-core-shared-sequencer ^1.0
3.6K 4 remoc optional ^1.0
3.5K 4 zcash_client_backend optional ^1
3.5K 3 foca optional ^1.0
1.0K 1 loro-internal ^1
950 iroh-docs ^1
3.4K 2 dioxus-sdk optional ^1.0.2
950 4 serde_columnar ^1.1.0
850 1 fuel-core-tx-status-manager ^1.0
850 poststation-cli ^1.1.0
800 yane ^1.1.1
800 4 essential-builder-db ^1.0.8
750 pigg ^1.1.1
750 numcodecs-zfp-classic ^1.0.8
700 storedb ^1
700 iroh-sync ^1
700 iroh-bytes ^1
700 1 veilid-tools ^1.1.1
700 1 semaphore-rs-witness ^1
700 super_orchestrator ^1
650 1 async-opcua-server ^1
600 nikau ^1.0
550 limitador ^1.0.4
550 row ^1.1.1
550 numcodecs-zfp ^1.0.8
550 smafa ^1
500 rmk ^1
1.9K gearbox optional ^1.0.8
460 1 essential-signer ^1.0.10
450 enum2contract ^1.0.4
1.8K 2 fuel-core-upgradable-executor optional ^1.0
440 peacock-fuzz ^1.0
400 numcodecs-sz3 ^1.0.8
390 irpc-iroh ^1.1.1
380 numcodecs-jpeg2000 ^1.0.8
1.6K 10 libafl_bolts optional ^1.0.10
1.6K 1 quic-rpc-utils optional ^1.1.1
360 11 trussed-core ^0.7.0
340 24 essential-hash ^1.0.10
340 meadow ^1
330 3 pubky-common ^1.1.1
330 agbrs_flash ~1
320 realflight-bridge ^1.1.1
310 bno08x-rvc ^0.7.2
270 1 pczt ^1
260 dioxus_storage ^1.0.2
1.3K kitoken optional ^1.0
250 1 dutils ^1.0.8
250 2 mavlink-message-definitions ^1.1.1
240 bevy_bundlication ^1.1
240 1 pubky-homeserver ^1.1.1
1.2K 8 chatgpt_rs optional ^1.0.7
220 1 essential-rqlite-storage ^1.0.8
210 wasmworker ^1.0
200 fopro ^1.0.10
1.0K 7 native_model optional ^1.0.8
180 2 aranya-daemon-api ^1
180 bones_matchmaker ^1.0
160 booster ^1
160 axum-postcard ^1.0
140 3 streambed-logged ^1.0.8
950 2 simple_serde optional ^1.0.8
140 todotui ^1.0
140 1 iroh-topic-tracker ^1
130 credman ^1.0.8
130 2 streambed-confidant ^1.0.8
130 rustpatcher ^1
130 electrs_client ^1.1.1
130 numcodecs-linear-quantize ^1.0.8
130 numcodecs-pco ^1.0.8
120 numcodecs-zlib ^1.0.8
120 numcodecs-zstd ^1.0.8
120 1 boundless-assessor ^1.0
120 fuel-block-committer-encoding ^1.0
110 fictionary ^1.0.8
850 mls-spec optional ^1
110 thermostat-eem ^1
110 paladin-core ^1.0.8
100 aranya-client ^1
aranya-daemon ^1
firefly-meta ^1.0.8
sshauth ^1
shared-mime-query ^1.0
evcxr_ssg ^1.0.8
4 ryot_tiled ^1.0
1 impeller ^1.0.8
cilly ^1.0.6
trace-deck ^1.0.10
gfwdns ^1.1.1
Rusty_CryptoAuthLib ^0.5.0
miniconf_cli ^1.0.8
microtensor ^1.0.2
substrate-ai ^0.5.1
englog ^1.0.7
dissonance ^1.0.10
urpc ^0.4.2
1 edelcrantz ^0.5.1
fnct ^1.0.4
rckad ^0.5
trenchcoat ^1.0
1 igcp ^0.7.2
2 linker-trace ^1.1.1
2 mnemos-common ^0.7.3
nrf52-bin-logger ^0.4.2
2 linker-layout ^1.1.1
1 phm ^0.7.3
rokit ^1.0
a4 ^0.7.2
1 keebrs ^0.5.1
2 i18n-again-support ^1
1 wasm-hash-verifier ^0.7.3
bevy_aoui_widgets ^1
1 bijou ^1.0.7
1 firefly-types ^1.0.10
mmap-vecdeque ^1.1
rs-edunode-sdk ^1.0.4
cargo-minicov ^0.5.1
anachro-forth-core ^0.7.2
stabilizer ^1
bissel ^0.7.3
planetary_core ^1.0.4
ureeves-wasmtime ^1.0.8
anachro-client ^0.5
blipper ^0.5.1
mnemos ^0.7.3
3 serial-settings ^1
a653rs-postcard ^1.0
bevy_fuzz ^0.7.3
rsiot ^1.0.8
zero-trust-rps ^1.1.1
iroh-doctor ^1.0.10
3 libredr-common ^1
rsiot-esp ^1
vsp ^0.7
compressed_collections ^1.0.0
1 conjoiner-engine ^0.4
neotron-os ^0.5
tdn_permission ^0.5
tdn_storage ^0.5
crunchert-storage ^1.0.10
eng-log ^1.0.7
ferrous-actions ^1.0.2
2 shared-mime-embedded ^1.0
terminusdb-10-to-11 ^1.0
3 trussed ^0.7.0
chibi ^0.7.3
mfio-netfs ^1
2 pc ^1.1.1
1 a4-core ^0.7.2
3 rktk ^1.0.8
rktk-drivers-nrf ^1.0.8
2 rktk-rrp ^1.0.8
aranya-crypto-core ^1
1 bones_framework ^1.0
double-ratchet-rs ^1.0
2 eventful ^1.0.4
pluginop ^1
1 poststation-sdk ^1.1
1 pyrus-crypto ^1.1.1
iotzio ^1.1
pluginop-wasm ^1
postcard-heapless-compat ^1.1.1
pyrus-cert-store ^1.1.1
rustag ^1.0.8
tokio-serde-postcard ^1.0
480 1 ryot optional ^1.0
420 1 irpc optional ^1.1.1
390 5 frost-core-unofficial optional ^1.0.0
300 1 disk optional ^1.0.8
210 1 manul optional ^1
200 6 zabi optional ^1.0.8
170 musli-tests optional ^1.0.8
150 fetsig optional ^1.0
150 2 karty optional ^1.0.8
140 iroh-mainline-content-discovery optional ^1
130 2 brydz_core optional ^1.0.8
1 embedded-update optional ^1.0
7 miniconf optional ^1.0.8
bromine optional ^1.0.8
1 pedronauck-data-parser optional ^1.0
3 fuel-data-parser optional ^1.0
sqlite-collections optional ^1.0.8
tcp_message_io optional ^1
bevy-salo optional ^1
1 blipper-shared optional ^0.5.1
4 canary optional ^1.0.1
1 channel-bridge optional ^1.0.2
1 chatgpt_blocking_rs optional ^1.0.4
1 chatgpt_rs_fork optional ^1.0.7
dioxus-std optional ^1.0.2
edge-frame optional ^1
erdnuss-comms optional ^1.0
jrk-g2 optional ^1.0.5
klaptik optional ^1.0.1
kvs optional ^1.0.1
litter optional ^1.0.0
mendes optional ^1.0.6
pirates optional ^1.0.2
2 restless-data optional ^1.0.8
3 rktk-keymanager optional ^1.0.8
rokkett-logger optional ^1.0.2
serial-num optional ^1
sfkv optional ^0.5
star-catalog optional ^1.0
1 wasm4fun-storage optional ^0.7
11.5M 27 litemap dev ^1.0.3
10.7M 16 icu_collections dev ^1.0.1
10.8M 50 icu_locid dev ^1.0.1
11.1M 43 tinystr dev ^1.0.3
10.9M 33 yoke dev ^1.0.3
10.8M 41 zerovec dev ^1.0.3
1.1M 82 roaring dev ^1.1
946K 178 typetag dev ^1.0.4
400K 85 tantivy dev ^1.0.4
206K 110 cron dev ^1.0.10
181K 7 zerotrie dev ^1.0.3
87K 9 icu_list dev ^1.0.1
83K 9 bevy_scene dev ^1.0
63K 7 dashu-int dev ^1.0.2
62K 4 dashu-float dev ^1.0.2
56K 39 risc0-zkvm dev ^1.1
42K 6 fqdn dev ^1.1.1
42K 4 icu_pattern dev ^1.0.3
39K 15 fuel-types dev ^1.0
34K 2 dashu-ratio dev ^1.0.2
29K 4 p3-uni-stark dev ^1.0.0
27K 6 vsss-rs dev ^1.0
19K 37 fuel-core-types dev ^1.0
18K 4 http-serde-ext dev ^1.0
17K 3 nmt-rs dev ^1.0.4
17K 2 scientific dev ^1.0.8
14K 14 pkarr dev ^1.1.1
10K 3 bt-hci dev ^1.1
10K 11 serde-bench dev ^1.0
7.4K 29 esp-idf-svc dev ^1
4.9K 3 bao-tree dev ^1
4.6K 5 elliptic-curve-tools dev ^1.0
4.5K 1 icu_codepointtrie dev ^0.7
3.7K 3 serde_unit_struct dev ^1
3.4K 1 icu_locale_core dev ^1.0.3
3.1K 8 postcard-schema dev ^1.0
2.6K 1 deduplicating_array dev ^1.0.3
2.1K 3 bit-struct dev ^1.0.4
1.6K 1 icu_datagen dev ^1.0.1
1.3K bevy_serde_project dev ^1.0.8
1.2K 1 fuel-core-compression dev ^1.0
750 3 append-only-bytes dev ^1.0.4
700 npsd dev ^1.0.8
650 1 ntimestamp dev ^1.1.1
500 frost-ristretto255 dev ^1.0.0
490 iroh-pkarr-node-discovery dev ^1.0.8
460 1 pubky-timestamp dev ^1.1.1
370 2 hashlru dev ^1.0
320 4 spacepackets dev ^1
280 8 kalosm-language-model dev ^1.0.8
280 sideway dev ^1.0
260 1 tiny-curve dev ^1
220 icu_provider_source dev ^1.0.3
170 1 jiff-cron dev ^1.0.10
120 1 bevy_serde_lens dev ^1.0.8
120 postcard-bindgen dev ^1.0.8
110 1 http-serde-ext-ios dev ^1.0
1 icu_provider_export dev ^1.0.3
satrs-core dev ^1
bitcode_lightyear_patch dev ^1.0
2 izihawa-tantivy dev ^1.0.4
1 subnet-garden-core dev ^1
gsw dev ^1.0.2
satrs dev ^1
2 anachro-icd dev ^0.5.1
aucpace dev ^1
fuel-core-global-merkle-root-storage dev ^1.0
abd-clam dev ^1.0.8
2 icu_uniset dev ^0.7
bevy_stat_query dev ^1.0.8
frodo-kem-rs dev ^1.0
1 factrs-typetag dev ^1.0.4
frodo-kem dev ^1.0
serde_repr_base64 dev ^1.0.8
wrapping_error dev ^1.0.6