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| 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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H2 is used at run time in 14,570 crates (of which 9,899 optionally). It is a direct run-time dependency in 84 crates. It's used at build time in 174 crates (of which 168 optionally, ). It's used only as a dev dependency in 902 crates (of which 1 directly).
| Number of dependers | H2 version | Downloads/month |
|---|---|---|
| 2,456 | 0.4.8 | 8.4M |
| 10,372 | 0.3.26 | 7.3M |
| 1,715 | 0.2.7 | 146K |
| 1 | 0.2.0-alpha.3 | 1.8K |
| 1,102 | 0.1.26 | 68K |
| Depender (with downloads and own rev deps) | H2 version | |||
|---|---|---|---|---|
| 17.4M | 3691 | hyper | optional | ^0.4.2 |
| 13.6M | 11638 | reqwest | optional | ^0.4 |
| 8.3M | 1680 | tonic | optional | ^0.4 |
| 1.7M | 162 | actix-http | optional | ^0.3.26 |
| 1.2M | 39 | hickory-proto | optional | ^0.4.0 |
| 1.3M | 43 | trust-dns-proto | optional | ^0.3.0 |
| 344K | 19 | aws-smithy-http-client | ^0.4.2 | |
| 200K | 95 | awc | ^0.3.26 | |
| 49K | 16 | pingora-core | >=0.4.6 | |
| 48K | 13 | pingora-proxy | >=0.4.6 | |
| 58K | 12 | hickory-server | optional | ^0.4.0 |
| 12K | 8 | spider | ^0.4 | |
| 10K | 1 | tokio-console | ^0.4 | |
| 22K | 2 | tonic-rustls | optional | ^0.4 |
| 7.0K | 22 | deno_fetch | ^0.4.6 | |
| 5.9K | 19 | deno_websocket | ^0.4.6 | |
| 5.6K | 11 | deno_node | ^0.4.6 | |
| 7.9K | cf-reqwest | optional | ^0.4 | |
| 2.2K | vegafusion-server | ^0.3.16 | ||
| 6.7K | 27 | trust-dns-server | optional | ^0.3.0 |
| 1.6K | golem-cloud-cli | ^0.3.24 | ||
| 1.4K | 6 | reqwest-wasm | ^0.3.10 | |
| 1.2K | 1 | agp-datapath | ^0.4.7 | |
| 3.8K | linkerd2-proxy-api | optional | ^0.3 | |
| 340 | fusen-rs | ^0.4.7 | ||
| 250 | 1 | kaspa-grpc-server | ^0.4.6 | |
| 200 | momento | ^0.3 | ||
| 190 | chaussette | ^0.4.7 | ||
| 180 | 2 | rama-http-backend | ^0.4 | |
| 1.0K | 6 | fusio | optional | ^0.4.6 |
| 1.0K | 2 | xitca-http | optional | ^0.4 |
| 130 | 2 | volo-grpc | ^0.4 | |
| 120 | junction-core | ^0.3 | ||
| 110 | remotesysmonitor | ^0.4.5 | ||
| 1 | hedera | ^0.4.6 | ||
| 2 | tower-grpc | ^0.1.11 | ||
| gcdevproxy | ^0.4 | |||
| 1 | chatgpt_blocking_rs | ^0.3.20 | ||
| 9 | actori-http | ^0.2.1 | ||
| icx-proxy | ^0.3.19 | |||
| proxide | ^0.3 | |||
| hoard-rs | ^0.3.20 | |||
| tinytun | ^0.3.18 | |||
| h2x | ^0.4 | |||
| vru-apns | ^0.4.0 | |||
| 1 | ewe_devserver | ^0.4 | ||
| 8 | scrappy-http | ^0.2.1 | ||
| tokio-h2mux | ^0.3.21 | |||
| acsrs | ^0.3.17 | |||
| 3 | kaspa-p2p-lib | ^0.4.6 | ||
| 8 | requiem-http | ^0.2.1 | ||
| 2 | kaspa-grpc-core | ^0.4.6 | ||
| doh-client | ~0.3.13 | |||
| fast_reqwest | ^0.3.10 | |||
| izanami | ^0.1 | |||
| gtunnel | ^0.3 | |||
| hds_tokio-console | ^0.3 | |||
| mtunnel | ^0.3 | |||
| 1 | pi_awc | ^0.3.9 | ||
| rslocal | ^0.3 | |||
| 4 | kaspa-grpc-client | ^0.4.6 | ||
| hreq | ^0.3 | |||
| water_http | ^0.4.6 | |||
| fusen | ^0.4 | |||
| fusen-gateway | ^0.4 | |||
| krpc-core | ^0.4 | |||
| 500 | 5 | kvarn | optional | ^0.4.5 |
| 220 | 1 | reqwest-h3 | optional | ^0.4 |
| 170 | 2 | areq | optional | ^0.4 |
| 120 | supply-chain-trust-example-crate-000068 | optional | ^0.4.2 | |
| 100 | supply-chain-trust-example-crate-000081 | optional | ^0.4.2 | |
| 1 | rama-hyper | optional | ^0.4 | |
| architect-tonic | optional | ^0.4 | ||
| 1 | dusks-reqwest | optional | ^0.4 | |
| 1 | fluxio | optional | ^0.3.9 | |
| 1 | hyper-myyrakle | optional | ^0.4.2 | |
| informalsystems-tonic | optional | ^0.3 | ||
| limitador | optional | ^0.3 | ||
| product-os-h2 | optional | ^0.4.0 | ||
| reqwest-patched | optional | ^0.4 | ||
| 1 | tonic-arcanyx-fork | optional | ^0.3 | |
| tracelite | optional | ^0.4 | ||
| 100 | wasmio | dev | =0.4 | |
| 2 | monoio-transports | dev | ^0.4 | |
| 1 | monoio-transports-netreq-fork | dev | ^0.4.7 | |