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
1382
1419
1493
1550
1584
1661
1702
1745
1786
1818
1861
1891
1946
2023
2063
2116
2156
2177
2237
2250
2300
2333
2396
2445
2520
2580
2647
2745
2834
2939
3015
3047
3121
3189
3243
3284
3366
3419
3499
3606
3681
3752
3786
3827
3886
3953
3969
4000
4016
4079
4136
4169
4223
4212
2018 2019 2020 2021 2022 2023 2024 2025

Syn is used at run time in 109,744 crates (of which 12,238 optionally). It is a direct run-time dependency in 10,673 crates. It's used at build time in 2,232 crates (of which 628 optionally, 23 directly). It's used only as a dev dependency in 5,013 crates (of which 18 directly).

Number of dependers Syn version Downloads/month
96,184 2.0.100 12.3M
2 2.0.98 2.1M
2 2.0.96 1.1M
13 2.0.95 4.1M
2 2.0.77 865K
9 2.0.72 1.8M
2 2.0.56 1.2M
5 2.0.39 2.2M
18,094 1.0.109 12.2M
1 1.0.107 1.0M
1 1.0.86 404K
6 1.0.57 19K
1 1.0.40 76K
1,661 0.15.44 735K
5 0.15.31 1.1K
991 0.10 227K
10 0.x 0
Depender (with downloads and own rev deps) Syn version
28.1M 8 thiserror-impl ^2.0.87
21.9M 6235 serde_derive ^2.0.81
15.4M 32 zerocopy-derive ^2.0.46
14.1M 100 clap_derive ^2.0.8
14.4M 55 prost-derive ^2
13.7M 1478 strum_macros ^2.0
13.7M 123 synstructure ^2
12.9M 7558 async-trait ^2.0.46
12.9M 4 darling_core ^2.0.15
12.9M 2 darling_macro ^2.0.15
12.8M 5 futures-macro ^2.0.52
12.9M 43 tokio-macros ^2.0
13.0M 46 tracing-attributes ^2.0
11.6M 222 displaydoc ^2.0
11.7M 3 zerofrom-derive ^2.0.21
10.8M 1 icu_provider_macros ^2.0.21
11.4M 2 pin-project-internal ^2.0.1
11.1M 4 yoke-derive ^2.0.21
10.9M 4 zerovec-derive ^2.0.21
9.9M 2239 bindgen ^2.0
10.2M 364 prettyplease ^2.0.96
9.4M 2 wasm-bindgen-backend ^2.0
9.4M 7 wasm-bindgen-macro-support ^2.0
8.4M 8 openssl-macros ^2
8.8M 8 serde_with_macros ^2.0.0
7.9M 1 async-stream-impl ^2.0.2
7.0M 20 pest_generator ^2.0
6.4M 636 tonic-build ^2.0
5.8M 2 num_enum_derive ^2
5.8M 17 phf_macros ^2
6.1M 2 pyo3-macros ^2
6.1M 1 pyo3-macros-backend ^2.0.59
4.7M 1 asn1-rs-derive ^2.0
4.5M 1 asn1-rs-impl ^2.0
4.4M 519 async-recursion ^2.0
4.6M 66 axum-macros ^2.0
4.2M 6 curve25519-dalek-derive ^2.0.27
4.2M 586 derivative ^1.0.3
5.2M 9 serial_test_derive ^2
4.8M 2 snafu-derive ^2.0
4.6M 6 windows-implement ^2.0
4.6M 6 windows-interface ^2.0
5.2M 5 zeroize_derive ^2
3.9M 166 cbindgen ^2.0.85
3.8M 12 derive_arbitrary ^2
3.6M 1 derive_builder_core ^2.0.15
3.5M 1 derive_builder_macro ^2.0.15
3.7M 1 derive_more-impl ^2.0.45
3.5M 2 mockall_derive ^2.0.9
4.0M 1024 num-derive ^2.0.5
3.8M 1 ptr_meta_derive ^2
3.6M 4 schemars_derive ^2.0
3.9M 36 serde_derive_internals ^2.0.46
3.7M 705 serde_repr ^2.0.46
2.1M 3 async-generic ^2.0
2.1M 1 biscuit-quote ^1.0.85
2.8M 54 borsh-derive ^2.0.81
2.6M 1 bytecheck_derive ^2
2.2M 40 bytemuck_derive ^2.0.1
3.0M 1 cached_proc_macro ^2.0.52
2.4M 152 cxx-build ^2.0.46
2.5M 1 cxxbridge-macro ^2.0.46
2.4M 274 derive-new ^2
2.1M 145 educe ^2
2.7M 102 enum-as-inner ^2.0
2.4M 1 equator-macro ^2.0.72
2.1M 1 pyo3-async-runtimes-macros ^2
2.2M 1 rasn-derive ^2.0.79
2.9M 3 rkyv_derive ^2.0.73
2.2M 1 rstest_macros ^2.0.79
2.7M 3 sqlx-macros ^2.0.52
2.6M 3 sqlx-macros-core ^2.0.52
2.6M 1 test-case-core ^2.0
2.7M 1 test-case-macros ^2.0
2.7M 2 test-log-macros ^2.0
2.1M 2 traitful ^2.0
7.5M 574 proc-macro-error optional ^1
8.2M 493 prost-build optional ^2
1.7M 10 actix-macros ^2
1.6M 5 actix-web-codegen ^2
1.6M 2 ark-ff-asm ^2.0
1.6M 3 ark-ff-macros ^2.0
1.8M 111 auto_impl ^2.0
1.3M 1 cxxbridge-cmd ^2.0.46
1.3M 1 data-encoding-macro-internal >=1, <3
1.2M 94 delegate ^2
1.4M 65 derive-where ^2
1.3M 5 enum-map-derive ^2.0.0
1.2M 2 enum-ordinalize-derive ^2
1.3M 235 enum_dispatch ^2.0
1.8M 4 enumflags2_derive ^2.0
1.1M 1 foreign-types-macros ^2.0
1.0M 275 getset ^2
1.2M 6 inherent ^2.0.46
1.0M 20 is-macro ^2.0.39
1.8M 1 jiff-static ^2.0.98
1.3M 18 kube-derive ^2.0.38
1.2M 1 lazy-regex-proc_macros ^2.0
1.1M 2 logos-codegen ^2.0.13
1.2M 1 miette-derive ^2.0.48
1.4M 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
1.1M 2 pyo3-stub-gen-derive ^2.0.96
1.1M 442 quickcheck_macros ^1.0
1.5M 1 rasn-derive-impl ^2.0.79
1.5M 1 ref-cast-impl ^2.0.46
1.3M 6 scroll_derive ^2
1.1M 59 sealed ^2.0
1.0M 21 serde_tokenstream ^2.0
1.3M 129 smart-default ^2
1.4M 5 sqlparser_derive ^2.0
1.6M 71 structopt-derive ^1
2.0M 2 typed-builder-macro ^2
1.0M 3 uuid-macro-internal ^2.0.5
1.3M 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
3.2M 1 const_format_proc_macros optional ^1.0.38
3.6M 85 libsqlite3-sys optional build ^2.0.72
1.0M 5 enum-iterator-derive ^2.0.15
1.0M 73 impl-trait-for-tuples ^2.0.89
1.0M 1 typetag-impl ^2.0.46
3.0M 81 proc-macro-error2 optional ^2
970K 1 tabled_derive ^2
933K 25 enumn ^2.0.46
927K 1 enumset_derive ^2
927K 1 tracing-test-macro ^2
910K 7 neli-proc-macros ^1
910K 4 sea-bae ^2
910K 2 typify-impl ^2.0.91
910K 2 typify-macro ^2.0
869K 2 rust-embed-impl ^2
864K 3 cssparser-macros ^2
864K 18 swc_macros_common ^2
858K 1 ast_node ^2
858K 10 string_enum ^2
854K 2 from_variant ^2
848K 4 async-graphql-derive ^2.0
845K 4 graphql_client_codegen ^1.0
844K 1 graphql_query_derive ^1.0
840K 4 swc_eq_ignore_macros ^2
833K 1 metrics-macros ^2
805K 4 ark-serialize-derive ^2.0
804K 10 async-attributes ^1.0
780K 1 cucumber-codegen ^2.0
780K 2 gherkin build ^2.0
780K 1 synthez ^2.0
780K 1 synthez-codegen ^2.0
780K 2 synthez-core ^2.0
774K 22 attribute-derive ^2
774K 1 attribute-derive-macro ^2
773K 3 utoipa-gen ^2.0
769K 1 quote-use-macros ^2
769K 78 maybe-async ^2.0
741K validator_types ^1
707K 3 substrait build ^2.0.100
1.1M 8 jsonptr optional ^1.0.109
669K 12 get-size-derive ^2
640K 2 foundationdb-macros ^2.0.87
640K 5 glib-macros ^2.0.68
628K 1 substrait-validator-derive ^2.0
624K 1 profiling-procmacros ^2.0
604K 1 wasm-bindgen-test-macro ^2.0
584K 222 proptest-derive ^2.0.48
578K 1 prometheus-client-derive-encode ^2
578K 1 scale-info-derive ^2.0
573K 2 askama_derive ^2.0.41
549K 1 pear_codegen ^2.0.30
545K 10 packed_struct_codegen ^1.0
541K 4 borsh-derive-internal ^1
541K borsh-schema-derive-internal ^1
542K include_dir_impl ^1
534K 1 multiversion-macros ^2
511K 1 arg_enum_proc_macro ^2.0
510K 4 syn-solidity ^2.0
509K 11 alloy-sol-macro ^2.0
503K 2 der_derive ^2
499K 21 structmeta ^2.0.48
499K 1 structmeta-derive ^2.0.48
497K 88 derive-getters ^2.0
495K 1 googletest_macro ^2.0.100
485K 9 derive_utils ^2
483K 4 binrw_derive ^1.0.66
479K 9 syn_derive ^2.0
477K 1 deku_derive ^2.0
476K 12 diesel_derives ^2.0
463K 1 sea-query-derive ^2
461K 4 alloy-sol-macro-input ^2.0
461K 3 alloy-sol-macro-expander ^2.0
455K time-macros-impl ^1.0.15
450K 50 napi-derive ^2
449K 1 napi-derive-backend ^2
445K 48 bitfield-struct ^2.0
442K 2 subenum ^1.0.107
439K 6 parse-display-derive ^2.0.72
433K 1 polkavm-derive-impl ^2.0.25
410K 6 derive-into-owned ^1
410K 1 git-version-macro ^2.0
408K 1 polkavm-derive-impl-macro ^2.0.25
405K 1 recursive-proc-macro-impl ^2.0
403K 1 statig_macro ^1.0.107
384K 56 aquamarine ^2
382K 24 auto_enums ^2.0.1
382K 45 derive-syn-parse ^2
377K 1 bon-macros ^2.0.56
373K 3 instability ^2.0.90
373K 2 jsonrpsee-proc-macros ^2.0
368K 1 monostate-impl ^2.0.59
362K 2 argh_derive ^2.0
356K 2 diesel_table_macro_syntax ^2
354K 166 rust_decimal_macros ^2.0
353K 3 sea-orm-macros ^2
353K 17 solana-sdk-macro ^2.0
351K 266 failure_derive ^1.0.3
347K 1 chrony-candm-derive ^1
346K 2 salvo-serde-util ^2
345K 82 trait-variant ^2.0
338K 1 linkme-impl ^2.0.46
333K 1 dsl_auto_type ^2
330K 1 gtk3-macros ^2.0
323K 3 alloy-rlp-derive ^2.0
321K 4 libp2p-swarm-derive ^2.0.66
321K 3 dlopen2_derive ^2.0
308K 1 macro_magic_core_macros ^2
307K 2 macro_magic_core ^2
307K 1 macro_magic_macros ^2
304K 4 envconfig_derive ^2.0
302K 7 pnet_macros ^2.0.26
301K 10 actix_derive ^2
297K 1 static_init_macro ^1
286K 1 color-print-proc-macro ^2.0
285K 4 syn-mid ^2
281K 1 munge_macro ^2
275K 1 asn1_derive ^2.0
275K 1 scale-encode-derive ^2
271K 1 tls_codec_derive ^2
270K 9 wasmtime-versioned-export-macros ^2.0.25
264K 2 abscissa_derive ^1
261K 1 scale-decode-derive ^2
773K 12 quote-use optional ^2
255K 1 sea-schema-derive ^2
253K 3 tauri-codegen ^2
253K 3 tauri-macros ^2
252K 59 enum-primitive-derive ^2
251K 3 proc-macro-warning ^2
251K 2 subxt-codegen ^2.0.77
251K 3 subxt-macro ^2.0.77
250K 10 rlp-derive ^2.0.72
250K 1 spl-program-error-derive ^2.0
250K 1 trackable_derive ^1
249K 3 wasmtime-component-macro ^2.0.25
248K 1 ext-trait-proc_macros ^1.0.7
248K 33 mockall_double ^2.0
247K 3 scale-typegen ^2.0.38
243K 1 walrus-macro ^2.0.77
242K 4 interpolate_name ^2.0
240K 1 defmt-macros ^2
240K 1 spl-discriminator-derive ^2.0
240K 1 spl-discriminator-syn ^2.0
234K 1 serialize-to-javascript-impl ^2
232K 11 cfg_eval ^2.0.0
230K 1 scylla-macros ^2.0
227K 64 rstest_reuse ^2.0.2
221K 1 mysql-common-derive ^2.0
215K 1 neon-macros ^2.0.39
214K 1 typeshare-annotation ^2
213K 1 dyn-clonable-impl ^2.0
212K 2 cpp_common ^2.0
212K 3 postgres-derive ^2.0
211K 45 cpp_build ^2.0
211K 21 visibility ^2.0.0
209K 1 cpp_macros ^2.0
207K 2 modular-bitfield-impl ^1
206K 2 tower-lsp-macros ^2
206K 1 docify_macros ^2
206K 1 refinery-macros ^2
203K 5 wasmer-derive ^1.0.72
200K 3 ntest_timeout ^1.0
198K 5 rustify_derive ^1.0
198K 7 delegate-attr ^2
197K 4 frunk_proc_macro_helpers ^2
196K 23 frunk_derives ^2
194K 1 zbus-lockstep-macros ^2.0
194K 1 ntest_test_cases ^1.0
191K 65 solana-frozen-abi-macro ^2.0
190K 1 open-fastrlp-derive ^1
185K 1 fastrace-macro ^2.0
185K 4 ethers-contract-abigen ^2.0
183K 4 actix-multipart-derive ^2
179K 1 dummy ^2.0
179K 4 ethers-contract-derive ^2.0
179K 2 frunk_proc_macros ^2
175K 1 tsify-macros ^2.0
172K 1 with_builtin_macros-proc_macros 1.0.*
171K 1 gltf-derive ^2
171K 6 swc_ecma_codegen_macros ^2
170K 5 gumdrop_derive ^1
169K 1 flutter_rust_bridge_macros ^2.0.26
167K 2 rustler_codegen ^2.0
166K 1 g2gen ^2.0
164K 11 ghost ^2.0.46
164K 4 tarpc-plugins ^2.0
163K 5 progenitor-impl ^2.0.93
163K 86 rustyline-derive ^2.0.72
162K 22 rocket_codegen ^2.0
161K 1 safer_ffi-proc_macros ^1.0
161K 5 wit-bindgen-rust ^2.0.89
159K 1 ff_derive ^1
159K 10 sp-debug-derive ^2.0.48
159K 2 sp-runtime-interface-proc-macro ^2.0.50
157K 1 wit-bindgen-rust-macro ^2.0.89
157K 5 serde_default ^2.0.52
156K 1 fix-hidden-lifetime-bug-proc_macros ^1.0.7
154K 18 qualifier_attr ^2
153K 1 palette_derive ^2.0.13
153K 14 swc_ecma_transforms_macros ^2
151K 2 rhai_codegen ^2.0.0
150K 3 deno_ops ^2
150K 1 proc-macro-rules ^2.0.15
150K 1 proc-macro-rules-macros ^2.0.15
150K 2 sp-api-proc-macro ^2.0.87
150K 5 derive_destructure2 ^2
149K 2 devise_core ^2.0
148K 1 static-map-macro ^2.0.39
147K 4 swc_config_macro ^2
146K 2 progenitor-macro ^2.0
146K 1 thiserror-core-impl ^2.0.23
145K 1 webview2-com-macros ^2.0
144K 1 fatality-proc-macro ^2
144K 1 orchestra-proc-macro ^1.0.109
144K 50 extend ^2
142K 18 dlopen_derive ^0.15.34
141K 33 anchor-syn ^1
140K 3 minicbor-derive ^2.0.58
140K 2 sp-version-proc-macro ^2.0.87
141K 22 trait-set ^1.0
139K 1 stabby-macros ^1.0.86
140K 24 stability ^2
140K 1 wrapcenum-derive ^2.0
138K 6 uniffi_macros ^2.0
135K 1 wai-bindgen-rust-impl ^1.0
135K 6 cosmwasm-derive ^2
134K 2 ssz_rs_derive ^1.0
133K 2 mongodb-internal-macros ^2.0.52
132K 4 sp-crypto-hashing-proc-macro ^2.0.48
128K 3 accessory ^2
128K 1 cmd_lib_macros ^2
128K 2 macroific_attr_parse ^2
128K 2 macroific_core ^2
128K 1 macroific_macro ^2
128K 2 swc_visit_macros ^2
127K 6 anchor-attribute-access-control ^1
127K 6 anchor-attribute-account ^1
127K 6 anchor-attribute-error ^1
127K 7 anchor-attribute-event ^1
127K 6 anchor-attribute-program ^1
127K 7 anchor-derive-accounts ^1
127K 2 bpaf_derive ^2.0.2
127K 2 delegate-display ^2
127K 2 fancy_constructor ^2
127K 1 rb-sys-build ^2.0
126K 1 comparable_derive ^1.0
126K 1 comparable_helper ^1.0
126K 9 schemafy_lib ^1.0
126K 1 test-context-macros ^2
125K 1 kinded_macros ^2.0
123K 1 match_token ^2
123K 1 nutype_macros ^2.0
121K 5 datafusion-macros ^2.0.79
120K 47 automod ^2.0.46
121K 8 derive-try-from-primitive ^1.0
121K indoc-impl ^1.0
121K 1 tsify-next-macros ^2.0
119K 21 bevy_macro_utils ^2.0
120K 2 bevy_reflect_derive ^2.0
120K 94 test-strategy ^2.0.68
119K 13 unzip-n ^1.0.5
117K 12 variant_count ^1.0
115K 6 anchor-attribute-constant ^1
116K 1 salvo-oapi-macros ^2
112K auto_enums_core ^1
112K auto_enums_derive ^1
113K 2 impartial-ord ^2
113K 7 liquid-derive ^2.0
113K 2 wiggle-generate ^2.0.25
113K 1 wiggle-macro ^2.0.25
112K gix-macros ^2.0
111K 2 maud_macros ^2
111K 1 metered-macro ^1.0
110K 1 rbtag_derive ^0.15.24
111K 2 synattra ^1.0
108K 2 aspect-weave ^1.0
109K 4 server_fn_macro ^2.0
107K 6 bevy_ecs_macros ^2.0
108K 2 encase_derive_impl ^2.0.1
107K 1 faux_macros ^2
107K 48 bevy_derive ^2.0
106K 2 bevy_utils_proc_macros ^2.0
105K 1 calmio_filters ^1
106K 2 cortex-m-rt-macros ^2.0
106K 1 server_fn_macro_default ^2.0
104K 1 indexed_db_futures_macros_internal ^2
104K 1 magnus-macros ^2
104K 3 tao-macros ^2
104K 1 ts-rs-macros ^2.0.28
307K 15 macro_magic optional ^2
101K 1 thiserror-impl-no-std ^1.0.45
101K uniffi_checksum_derive ^2.0
99K 2 membrane_types ^2.0
99K 1 oxc-miette-derive ^2
99K runtime-struct-field-names-as-array ^2
98K 25 ic-cdk-macros ^2
98K 1 salvo-craft-macros ^2
96K 4 mlua_derive ^2.0
95K 3 divan-macros ^2.0.18
95K 1 serde_valid_derive ^2.0
94K 19 diesel-derive-enum ^2
93K 1 cosmwasm-schema-derive ^2
91K 1 pam-macros ^1.0
90K 3 command_attr ^1.0
90K 37 derive_setters ^2
89K 1 genco-macros ^2.0.38
89K 5 oxc_ast_macros ^2
88K 1 stdweb-internal-macros ^1
87K 2 anchor-derive-space ^1
87K 1 bevy_render_macros ^2.0
88K 24 dynasm ^2.0.77
87K 1 poem-derive ^2.0
87K 9 stdweb-derive ^1
87K 1 validated_struct_macros ^2
86K 1 axum_typed_multipart_macros ^2.0.87
85K 56 derive_deref ^1.0
85K 5 leptos_macro ^2.0
85K 2 worker-macros ^2.0.17
84K 2 bitcode_derive ^2.0.3
84K 1 unic-langid-macros-impl ^2.0
84K 1 wezterm-dynamic-derive ^1.0
83K 57 embed-doc-image ^1.0.72
83K 33 serde-enum-str ^1
81K 36 jsonrpc-derive ^1.0
81K 13 cynic-codegen ^2
81K 1 cynic-proc-macros ^2
81K 1 foundations-macros ^2
81K 1 salsa-macros ^2.0.64
80K 1 deepsize_derive ^1.0
80K 9 enum-repr ^1
80K prometheus-client-derive-text-encode ^1
79K 22 rstml ^2.0.96
78K 1 biome_diagnostics_macros ^1.0.85
78K 5 cargo-expand ^2.0.85
76K 1 anchor-derive-serde ^1
76K 2 assert_type_match ^2.0
77K 1 nougat-proc_macros ^1.0.7
77K 1 sscanf_macro ^2.0.1
77K starknet-crypto-codegen ^2.0.55
77K 1 typesize-derive ^2.0.39
76K 1 const-str-proc-macro ^2.0.2
74K flutter_rust_bridge_codegen ^2.0.26
75K 2 protoc-gen-tonic ^2.0.22
75K 31 readonly ^2.0.46
74K 1 lending-iterator-proc_macros ^1.0.7
74K 6 swift-bridge-build ^1
74K 2 swift-bridge-ir ^1
74K 1 swift-bridge-macro ^1
222K 96 ethers-core optional ^2.0
222K 7 expander optional ^2
73K 3 macro-string ^2.0.98
72K 1 bevy_asset_macros ^2.0
72K 11 ethereum_ssz_derive ^2.0.69
70K 1 arr_macro_impl ^1.0
71K 27 bitmask-enum ^2.0
71K 4 clickhouse-derive ^2.0
70K 1 ndk-macro ^1.0.60
69K 6 chalk-derive ^2.0
69K 15 custom_debug_derive ^2.0.48
68K 1 rvs_derive ^1.0
68K 2 deprecate-until ^2.0.39
68K 10 rsb_derive ^1.0
66K 2 candid_derive ^2.0
66K 1 delta_kernel_derive ^2.0
66K 3 parquet_derive ^2.0
66K 3 wit-bindgen-wrpc-rust ^2
66K 1 wit-bindgen-wrpc-rust-macro ^2
66K 1 better_typeid_derive ^1.0
66K 9 poem-openapi-derive ^2.0
66K 48 remain ^2.0.46
64K 1 binread_derive ^1
65K 1 gtk4-macros ^2.0
63K 1 bevy_gizmos_macros ^2.0
63K 1 madsim-macros ^1
62K 2 include-flate-codegen ^2.0.2
63K 4 slog_derive ^1.0
61K 1 async-backtrace-attributes ^2.0
61K 1 bolero-generator-derive ^1
61K 11 build-time ^2.0
60K 59 concat-idents ^2.0.16
60K 1 serde_tuple_macros ^1
61K 2 valuable-derive ^2.0
59K 3 leptos_hot_reload ^2.0
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