Active direct dependers over time: total, gained/lost
211
220
243
265
272
282
291
313
330
344
400
453
497
554
592
624
662
709
763
795
835
873
898
925
972
1026
1067
1103
1146
1188
1242
1273
1306
1347
1383
1420
1494
1551
1585
1662
1704
1747
1788
1820
1863
1893
1949
2026
2066
2118
2159
2179
2239
2253
2303
2336
2399
2449
2524
2584
2650
2748
2838
2943
3019
3051
3125
3192
3247
3288
3370
3422
3502
3610
3687
3758
3792
3835
3895
3965
3986
4020
4037
4102
4161
4197
4254
4259
2018 2019 2020 2021 2022 2023 2024 2025

Syn is used at run time in 110,513 crates (of which 11,168 optionally). It is a direct run-time dependency in 10,830 crates. It's used at build time in 2,103 crates (of which 454 optionally, 23 directly). It's used only as a dev dependency in 5,453 crates (of which 19 directly).

Number of dependers Syn version Downloads/month
97,185 2.0.100 14.2M
2 2.0.98 2.2M
1 2.0.96 1.0M
12 2.0.95 3.7M
2 2.0.77 823K
10 2.0.72 1.5M
2 2.0.56 1.0M
3 2.0.39 1.6M
18,427 1.0.109 14.4M
1 1.0.86 431K
2 1.0.65 74K
5 1.0.57 34K
1 1.0.40 73K
1,632 0.15.44 950K
11 0.15.31 0
765 0.10 249K
8 0.x 0
Depender (with downloads and own rev deps) Syn version
29.0M 8 thiserror-impl ^2.0.87
23.3M 6244 serde_derive ^2.0.81
14.9M 33 zerocopy-derive ^2.0.46
13.9M 101 clap_derive ^2.0.8
12.6M 7669 async-trait ^2.0.46
12.9M 4 darling_core ^2.0.15
12.9M 2 darling_macro ^2.0.15
13.0M 5 futures-macro ^2.0.52
13.6M 55 prost-derive ^2
13.5M 1507 strum_macros ^2.0
13.4M 124 synstructure ^2
13.1M 44 tokio-macros ^2.0
12.9M 46 tracing-attributes ^2.0
11.8M 222 displaydoc ^2.0
11.9M 3 zerofrom-derive ^2.0.21
11.1M 1 icu_provider_macros ^2.0.21
11.3M 2 pin-project-internal ^2.0.1
11.3M 4 yoke-derive ^2.0.21
11.1M 4 zerovec-derive ^2.0.21
9.7M 2256 bindgen ^2.0
10.1M 379 prettyplease ^2.0.96
8.4M 8 serde_with_macros ^2.0.0
9.1M 2 wasm-bindgen-backend ^2.0
9.1M 7 wasm-bindgen-macro-support ^2.0
7.6M 1 async-stream-impl ^2.0.2
8.0M 8 openssl-macros ^2
6.6M 20 pest_generator ^2.0
5.6M 2 num_enum_derive ^2
5.4M 17 phf_macros ^2
5.7M 2 pyo3-macros ^2
5.7M 1 pyo3-macros-backend ^2.0.59
6.1M 643 tonic-build ^2.0
5.4M 6 windows-implement ^2.0
5.3M 6 windows-interface ^2.0
5.9M 5 zeroize_derive ^2
4.4M 1 asn1-rs-derive ^2.0
4.2M 1 asn1-rs-impl ^2.0
4.6M 525 async-recursion ^2.0
4.2M 586 derivative ^1.0.3
4.7M 1 derive_more-impl ^2.0.45
4.5M 9 serial_test_derive ^2
4.3M 2 snafu-derive ^2.0
4.1M 65 axum-macros ^2.0
3.3M 171 cbindgen ^2.0.85
3.8M 6 curve25519-dalek-derive ^2.0.27
4.0M 12 derive_arbitrary ^2
3.9M 1 derive_builder_core ^2.0.15
3.8M 1 derive_builder_macro ^2.0.15
3.4M 2 mockall_derive ^2.0.9
4.1M 1030 num-derive ^2.0.5
3.7M 1 ptr_meta_derive ^2
3.6M 4 schemars_derive ^2.0
3.9M 36 serde_derive_internals ^2.0.46
3.7M 721 serde_repr ^2.0.46
2.9M 54 borsh-derive ^2.0.81
2.5M 1 bytecheck_derive ^2
2.2M 43 bytemuck_derive ^2.0.1
2.6M 1 cached_proc_macro ^2.0.52
2.8M 155 cxx-build ^2.0.46
2.9M 1 cxxbridge-macro ^2.0.46
2.4M 146 educe ^2
2.8M 103 enum-as-inner ^2.0
2.4M 1 jiff-static ^2.0.98
2.8M 3 rkyv_derive ^2.0.73
2.2M 1 rstest_macros ^2.0.79
2.6M 3 sqlx-macros ^2.0.52
2.5M 3 sqlx-macros-core ^2.0.52
2.2M 1 test-case-core ^2.0
2.4M 1 test-case-macros ^2.0
2.2M 2 test-log-macros ^2.0
2.1M 2 typed-builder-macro ^2
7.4M 574 proc-macro-error optional ^1
7.9M 501 prost-build optional ^2
1.7M 10 actix-macros ^2
1.7M 5 actix-web-codegen ^2
1.8M 2 ark-ff-asm ^2.0
1.8M 3 ark-ff-macros ^2.0
1.6M 3 async-generic ^2.0
1.9M 114 auto_impl ^2.0
1.7M 1 biscuit-quote ^1.0.85
1.8M 1 cxxbridge-cmd ^2.0.46
1.1M 99 delegate ^2
2.0M 278 derive-new ^2
1.5M 70 derive-where ^2
1.0M 5 enum-iterator-derive ^2.0.15
1.2M 5 enum-map-derive ^2.0.0
1.4M 2 enum-ordinalize-derive ^2
1.3M 240 enum_dispatch ^2.0
1.7M 4 enumflags2_derive ^2.0
2.0M 1 equator-macro ^2.0.72
1.0M 1 foreign-types-macros ^2.0
1.0M 75 impl-trait-for-tuples ^2.0.89
1.2M 7 inherent ^2.0.46
1.0M 20 is-macro ^2.0.39
1.3M 18 kube-derive ^2.0.38
1.1M 1 lazy-regex-proc_macros ^2.0
1.0M 2 logos-codegen ^2.0.13
1.2M 78 maybe-async ^2.0
1.2M 1 miette-derive ^2.0.48
1.3M 1 nalgebra-macros ^2.0
2.0M 1 ouroboros_macro ^2.0
1.1M 5 parity-scale-codec-derive ^2
1.1M 31 proc-macro2-diagnostics ^2.0
1.7M 1 pyo3-async-runtimes-macros ^2
1.6M 2 pyo3-stub-gen-derive ^2.0.96
1.1M 446 quickcheck_macros ^1.0
1.7M 1 rasn-derive ^2.0.79
1.6M 1 rasn-derive-impl ^2.0.79
1.5M 1 ref-cast-impl ^2.0.46
1.2M 6 scroll_derive ^2
1.1M 59 sealed ^2.0
1.0M 22 serde_tokenstream ^2.0
1.3M 130 smart-default ^2
1.3M 5 sqlparser_derive ^2.0
1.6M 71 structopt-derive ^1
1.6M 2 traitful ^2.0
1.4M 17 validator_derive ^2
1.5M 8 zbus_macros ^2.0.64
1.5M 7 zvariant_derive ^2.0.64
1.4M 3 zvariant_utils ^2.0.64
3.4M 1 const_format_proc_macros optional ^1.0.38
3.6M 87 libsqlite3-sys optional build ^2.0.72
3.3M 85 proc-macro-error2 optional ^2
1.0M 282 getset ^2
1.0M 3 uuid-macro-internal ^2.0.5
980K 1 typetag-impl ^2.0.46
979K 4 ark-serialize-derive ^2.0
963K 1 tabled_derive ^2
939K 1 recursive-proc-macro-impl ^2.0
928K 10 async-attributes ^1.0
921K 2 typify-impl ^2.0.100
921K 2 typify-macro ^2.0
907K 4 sea-bae ^2
898K 18 swc_macros_common ^2
896K 4 graphql_client_codegen ^1.0
895K 1 graphql_query_derive ^1.0
890K 1 ast_node ^2
890K 2 rust-embed-impl ^2
890K 10 string_enum ^2
887K 2 from_variant ^2
873K 3 cssparser-macros ^2
869K 4 swc_eq_ignore_macros ^2
864K 7 neli-proc-macros ^1
854K 4 async-graphql-derive ^2.0
848K 1 tracing-test-macro ^2
845K 1 metrics-macros ^2
822K 23 attribute-derive ^2
822K 1 attribute-derive-macro ^2
820K 25 enumn ^2.0.46
817K 1 quote-use-macros ^2
815K 1 enumset_derive ^2
789K 3 substrait build ^2.0.100
777K 3 utoipa-gen ^2.0
754K 2 gherkin build ^2.0
754K 1 synthez ^2.0
754K 1 synthez-codegen ^2.0
754K 2 synthez-core ^2.0
753K 1 cucumber-codegen ^2.0
743K validator_types ^1
723K 1 data-encoding-macro-internal >=1, <3
1.2M 8 jsonptr optional ^1.0.109
685K 1 wasm-bindgen-test-macro ^2.0
680K 12 get-size-derive ^2
666K 5 glib-macros ^2.0.68
658K 1 profiling-procmacros ^2.0
658K 225 proptest-derive ^2.0.48
648K 2 foundationdb-macros ^2.0.87
638K 5 serde_default ^2.0.52
637K 1 substrait-validator-derive ^2.0
624K 2 askama_derive ^2.0.41
584K 1 scale-info-derive ^2.0
583K 4 borsh-derive-internal ^1
583K borsh-schema-derive-internal ^1
583K 1 prometheus-client-derive-encode ^2
560K 1 pear_codegen ^2.0.30
552K 1 arg_enum_proc_macro ^2.0
538K 2 der_derive ^2
537K 52 napi-derive ^2
531K 1 napi-derive-backend ^2
514K 4 syn-solidity ^2.0
514K 10 alloy-sol-macro ^2.0
511K 21 structmeta ^2.0.48
511K 1 structmeta-derive ^2.0.48
509K time-macros-impl ^1.0.15
486K 12 diesel_derives ^2.0
481K 9 derive_utils ^2
467K 1 sea-query-derive ^2
463K 3 alloy-sol-macro-expander ^2.0
462K 4 alloy-sol-macro-input ^2.0
463K 9 syn_derive ^2.0
460K 10 packed_struct_codegen ^1.0
449K 6 parse-display-derive ^2.0.72
448K 93 derive-getters ^2.0
437K 1 multiversion-macros ^2
429K 1 polkavm-derive-impl ^2.0.25
409K 1 git-version-macro ^2.0
403K 1 polkavm-derive-impl-macro ^2.0.25
402K 1 googletest_macro ^2.0.100
397K 87 trait-variant ^2.0
392K 265 failure_derive ^1.0.3
391K 1 deku_derive ^2.0
390K 24 auto_enums ^2.0.1
386K 47 derive-syn-parse ^2
386K include_dir_impl ^1
381K 2 diesel_table_macro_syntax ^2
381K 2 jsonrpsee-proc-macros ^2.0
380K 1 linkme-impl ^2.0.46
376K 2 argh_derive ^2.0
377K 4 binrw_derive ^1.0.66
377K 2 salvo-serde-util ^2
375K 17 solana-sdk-macro ^2.0
373K 3 instability ^2.0.90
372K 59 aquamarine ^2
370K 3 dlopen2_derive ^2.0
363K 1 dsl_auto_type ^2
363K 53 bitfield-struct ^2.0
360K 1 monostate-impl ^2.0.59
359K 1 bon-macros ^2.0.56
350K 1 gtk3-macros ^2.0
347K 175 rust_decimal_macros ^2.0
347K 4 sea-orm-macros ^2
342K 2 subenum ^1.0.107
338K 3 alloy-rlp-derive ^2.0
338K 6 derive-into-owned ^1
324K 4 syn-mid ^2
322K 1 defmt-macros ^2
317K 4 libp2p-swarm-derive ^2.0.66
310K 7 pnet_macros ^2.0.26
305K 10 actix_derive ^2
305K 1 statig_macro ^1.0.107
303K 2 macro_magic_core ^2
303K 1 macro_magic_core_macros ^2
303K 1 macro_magic_macros ^2
302K 1 spl-program-error-derive ^2.0
297K 1 color-print-proc-macro ^2.0
297K 1 tls_codec_derive ^2
292K 1 trackable_derive ^1
291K 1 static_init_macro ^1
286K 1 scale-encode-derive ^2
281K 21 visibility ^2.0.0
278K 3 tauri-codegen ^2
278K 3 tauri-macros ^2
274K 11 cfg_eval ^2.0.0
274K 1 scale-decode-derive ^2
274K 2 abscissa_derive ^1
820K 12 quote-use optional ^2
273K 4 envconfig_derive ^2.0
270K 1 spl-discriminator-derive ^2.0
270K 1 spl-discriminator-syn ^2.0
266K 4 interpolate_name ^2.0
267K 1 munge_macro ^2
265K 36 mockall_double ^2.0
266K 10 rlp-derive ^2.0.72
264K 59 enum-primitive-derive ^2
265K 2 subxt-codegen ^2.0.77
264K 3 subxt-macro ^2.0.77
262K 1 asn1_derive ^2.0
262K 1 ext-trait-proc_macros ^1.0.7
262K 3 scale-typegen ^2.0.38
261K 9 wasmtime-versioned-export-macros ^2.0.25
257K 1 serialize-to-javascript-impl ^2
255K 1 scylla-macros ^2.0
251K 1 sea-schema-derive ^2
248K 1 chrony-candm-derive ^1
244K 3 proc-macro-warning ^2
235K 1 typeshare-annotation ^2
235K 1 walrus-macro ^2.0.77
231K 3 wasmtime-component-macro ^2.0.25
229K 1 neon-macros ^2.0.39
228K 2 cpp_common ^2.0
227K 86 rustyline-derive ^2.0.72
226K 45 cpp_build ^2.0
223K 1 cpp_macros ^2.0
219K 3 postgres-derive ^2.0
217K 1 refinery-macros ^2
216K 7 delegate-attr ^2
216K 2 modular-bitfield-impl ^1
215K 1 dyn-clonable-impl ^2.0
211K 4 actix-multipart-derive ^2
209K 1 fastrace-macro ^2.0
208K 1 mysql-common-derive ^2.0
205K 1 open-fastrlp-derive ^1
203K 5 rustify_derive ^1.0
203K 2 tower-lsp-macros ^2
201K 1 docify_macros ^2
197K 3 ntest_timeout ^1.0
195K 1 zbus-lockstep-macros ^2.0
194K 6 swc_ecma_codegen_macros ^2
191K 1 tsify-next-macros ^2.0
191K 68 rstest_reuse ^2.0.2
189K 5 gumdrop_derive ^1
188K 11 ghost ^2.0.46
189K 1 ntest_test_cases ^1.0
186K 4 ethers-contract-abigen ^2.0
187K 1 g2gen ^2.0
185K 1 with_builtin_macros-proc_macros 1.0.*
184K 6 cosmwasm-derive ^2
182K 1 flutter_rust_bridge_macros ^2.0.26
182K 65 solana-frozen-abi-macro ^2.0
178K 4 ethers-contract-derive ^2.0
179K 2 rustler_codegen ^2.0
177K 5 wit-bindgen-rust ^2.0.89
176K 1 dummy ^2.0
174K 5 progenitor-impl ^2.0.93
173K 1 wit-bindgen-rust-macro ^2.0.89
172K 1 palette_derive ^2.0.13
172K 1 safer_ffi-proc_macros ^1.0
169K 3 macro-string ^2.0.98
168K 1 fix-hidden-lifetime-bug-proc_macros ^1.0.7
165K 23 frunk_derives ^2
165K 4 frunk_proc_macro_helpers ^2
163K 14 swc_ecma_transforms_macros ^2
163K 5 wasmer-derive ^1.0.72
160K 4 tarpc-plugins ^2.0
161K 1 wrapcenum-derive ^2.0
160K 1 match_token ^2
159K 3 deno_ops ^2
158K 1 proc-macro-rules ^2.0.15
158K 1 proc-macro-rules-macros ^2.0.15
158K 1 tsify-macros ^2.0
158K 4 swc_config_macro ^2
156K 18 qualifier_attr ^2
156K 2 rhai_codegen ^2.0.0
156K 10 sp-debug-derive ^2.0.48
155K 51 extend ^2
155K 2 sp-runtime-interface-proc-macro ^2.0.50
153K 2 progenitor-macro ^2.0
151K 1 ff_derive ^1
150K 22 rocket_codegen ^2.0
151K 6 uniffi_macros ^2.0
149K 1 cmd_lib_macros ^2
149K 1 gltf-derive ^2
148K 18 dlopen_derive ^0.15.34
148K 2 sp-api-proc-macro ^2.0.87
149K 1 webview2-com-macros ^2.0
148K 1 stabby-macros ^1.0.86
145K 2 swc_visit_macros ^2
144K 22 trait-set ^1.0
143K 2 devise_core ^2.0
143K 3 minicbor-derive ^2.0.58
142K 1 thiserror-core-impl ^2.0.23
141K 2 sp-version-proc-macro ^2.0.87
140K 5 datafusion-macros ^2.0.79
140K 1 fatality-proc-macro ^2
139K indoc-impl ^1.0
139K 1 orchestra-proc-macro ^1.0.109
138K 47 automod ^2.0.46
138K 33 anchor-syn ^1
137K 1 kinded_macros ^2.0
137K 6 accessory ^2
136K 2 delegate-display ^2
136K 2 fancy_constructor ^2
137K 2 macroific_attr_parse ^2
137K 2 macroific_core ^2
137K 1 macroific_macro ^2
136K 2 mongodb-internal-macros ^2.0.52
135K 1 nutype_macros ^2.0
134K 4 sp-crypto-hashing-proc-macro ^2.0.48
133K 2 frunk_proc_macros ^2
132K 2 ssz_rs_derive ^1.0
133K 25 stability ^2
127K 7 liquid-derive ^2.0
126K 1 static-map-macro ^2.0.39
126K 12 variant_count ^1.0
124K 6 anchor-attribute-access-control ^1
124K 6 anchor-attribute-account ^1
124K 6 anchor-attribute-error ^1
124K 7 anchor-attribute-event ^1
124K 6 anchor-attribute-program ^1
124K 7 anchor-derive-accounts ^1
124K 2 bpaf_derive ^2.0.2
124K 5 derive_destructure2 ^2
123K 3 command_attr ^1.0
123K 1 comparable_derive ^1.0
123K 1 comparable_helper ^1.0
121K 2 impartial-ord ^2
121K 96 test-strategy ^2.0.68
121K 13 unzip-n ^1.0.5
120K 8 derive-try-from-primitive ^1.0
119K 1 salvo-oapi-macros ^2
118K gix-macros ^2.0
116K 2 cortex-m-rt-macros ^2.0
116K 1 rb-sys-build ^2.0
115K 6 anchor-attribute-constant ^1
115K 2 maud_macros ^2
113K 1 indexed_db_futures_macros_internal ^2
111K auto_enums_core ^1
111K auto_enums_derive ^1
112K 1 cosmwasm-schema-derive ^2
112K 3 divan-macros ^2.0.18
112K 9 schemafy_lib ^1.0
112K 1 thiserror-impl-no-std ^1.0.45
110K 21 bevy_macro_utils ^2.0
111K 1 metered-macro ^1.0
110K 2 bevy_reflect_derive ^2.0
109K 1 calmio_filters ^1
110K 24 dynasm ^2.0.77
110K 4 server_fn_macro ^2.0
110K 2 synattra ^1.0
107K 2 aspect-weave ^1.0
107K 1 rbtag_derive ^0.15.24
108K 1 salsa-macros ^2.0.64
106K 3 tao-macros ^2
105K 1 salvo-craft-macros ^2
104K 1 wai-bindgen-rust-impl ^1.0
103K 2 wiggle-generate ^2.0.25
103K 1 wiggle-macro ^2.0.25
101K 1 oxc-miette-derive ^2
101K 1 server_fn_macro_default ^2.0
100K 22 rstml ^2.0.96
100K uniffi_checksum_derive ^2.0
303K 15 macro_magic optional ^2
100K 19 diesel-derive-enum ^2
100K prometheus-client-derive-text-encode ^1
98K 50 bevy_derive ^2.0
98K 2 encase_derive_impl ^2.0.1
98K 6 bevy_ecs_macros ^2.0
97K 1 foundations-macros ^2
97K 1 magnus-macros ^2
96K 1 axum_typed_multipart_macros ^2.0.87
96K 2 bevy_utils_proc_macros ^2.0
95K 2 worker-macros ^2.0.17
95K 25 ic-cdk-macros ^2
94K 1 poem-derive ^2.0
93K 1 genco-macros ^2.0.38
93K 31 readonly ^2.0.46
92K 4 mlua_derive ^2.0
91K 5 oxc_ast_macros ^2
92K starknet-crypto-codegen ^2.0.55
91K 1 ts-rs-macros ^2.0.28
90K 1 stdweb-internal-macros ^1
89K 4 clickhouse-derive ^2.0
89K 9 stdweb-derive ^1
89K 1 validated_struct_macros ^2
87K 2 anchor-derive-space ^1
87K 39 derive_setters ^2
87K 1 pam-macros ^1.0
87K 1 test-context-macros ^2
87K 1 unic-langid-macros-impl ^2.0
85K 5 cargo-expand ^2.0.85
85K 36 jsonrpc-derive ^1.0
84K 17 custom_debug_derive ^2.0.48
84K 13 cynic-codegen ^2
84K 1 cynic-proc-macros ^2
82K 1 bevy_render_macros ^2.0
82K 57 derive_deref ^1.0
82K 57 embed-doc-image ^1.0.72
81K 1 nougat-proc_macros ^1.0.7
81K 11 rsb_derive ^1.0
81K 1 rvs_derive ^1.0
80K 33 serde-enum-str ^1
80K 1 anchor-derive-serde ^1
80K flutter_rust_bridge_codegen ^2.0.26
79K 5 leptos_macro ^2.0
80K 1 serde_valid_derive ^2.0
79K 6 swift-bridge-build ^1
79K 2 swift-bridge-ir ^1
79K 1 swift-bridge-macro ^1
79K 1 typesize-derive ^2.0.39
78K 1 lending-iterator-proc_macros ^1.0.7
235K 96 ethers-core optional ^2.0
77K 11 ethereum_ssz_derive ^2.0.69
76K 2 valuable-derive ^2.0
75K 1 biome_diagnostics_macros ^1.0.85
75K 2 bitcode_derive ^2.0.3
75K 6 chalk-derive ^2.0
75K 1 delta_kernel_derive ^2.0
75K 9 log-derive ^1.0.5
74K 2 protoc-gen-tonic ^2.0.22
73K kopium ^2.0.100
73K 3 wit-bindgen-wrpc-rust ^2
72K 1 wit-bindgen-wrpc-rust-macro ^2
72K 9 poem-openapi-derive ^2.0
216K 7 expander optional ^2
70K 1 bevy_asset_macros ^2.0
71K 1 bolero-generator-derive ^1
71K 1 deepsize_derive ^1.0
70K 2 assert_type_match ^2.0
70K 1 better_typeid_derive ^1.0
70K 3 parquet_derive ^2.0
68K 1 arr_macro_impl ^1.0
68K 27 bitmask-enum ^2.0
67K 1 const-str-proc-macro ^2.0.2
68K 7 tree_hash_derive ^2.0.69
67K 2 deprecate-until ^2.0.39
66K 11 build-time ^2.0
65K 1 madsim-macros ^1
65K 48 remain ^2.0.46
65K 1 serde_tuple_macros ^1
63K 58 concat-idents ^2.0.16
63K 1 bevy_gizmos_macros ^2.0
63K 4 slog_derive ^1.0
62K 5 syn-inline-mod ^2.0.0
61K 1 binread_derive ^1
62K 1 test-trace-macros ^2.0
61K 1 wezterm-dynamic-derive ^1.0
60K 2 candid_derive ^2.0
60K 79 err-derive ^1.0.5
60K 1 gtk4-macros ^2.0
61K 10 serde-inline-default ^2.0
60K 1 abi_stable_derive ^1.0.86
60K 3 as_derive_utils ^1.0.86
180K 22 manyhow optional ^1
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