Active direct dependers over time: total, gained/lost
195
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
2236
2249
2299
2332
2395
2444
2519
2579
2646
2744
2833
2938
3014
3046
3120
3188
3242
3283
3365
3417
3497
3603
3679
3750
3784
3825
3884
3951
3967
3998
4014
4076
4133
4166
4211
2018 2019 2020 2021 2022 2023 2024 2025

Syn is used at run time in 109,634 crates (of which 16,998 optionally). It is a direct run-time dependency in 10,668 crates. It's used at build time in 2,224 crates (of which 706 optionally, 23 directly). It's used only as a dev dependency in 5,014 crates (of which 18 directly).

Number of dependers Syn version Downloads/month
95,442 2.0.100 12.0M
2 2.0.98 2.1M
1 2.0.96 1.2M
16 2.0.95 3.9M
2 2.0.77 878K
13 2.0.72 1.8M
2 2.0.56 1.2M
1 2.0.39 2.2M
18,783 1.0.109 13.3M
1 1.0.86 411K
5 1.0.57 22K
1 1.0.40 84K
1,780 0.15.44 794K
7 0.15.31 1.4K
147 0.14.9 25K
52 0.13.11 25K
75 0.12.15 1.1K
532 0.11.11 158K
6 0.9.2 0
4 0.8.7 0
Depender (with downloads and own rev deps) Syn version
28.0M 8 thiserror-impl ^2.0.87
21.8M 6232 serde_derive ^2.0.81
15.4M 32 zerocopy-derive ^2.0.46
14.0M 100 clap_derive ^2.0.8
14.3M 55 prost-derive ^2
13.6M 1477 strum_macros ^2.0
13.6M 123 synstructure ^2
12.8M 7554 async-trait ^2.0.46
12.8M 4 darling_core ^2.0.15
12.8M 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
11.6M 2 zerofrom-derive ^2.0.21
10.8M 1 icu_provider_macros ^2.0.21
11.3M 2 pin-project-internal ^2.0.1
11.0M 4 yoke-derive ^2.0.21
10.8M 4 zerovec-derive ^2.0.21
9.8M 2232 bindgen ^2.0
10.1M 364 prettyplease ^2.0.96
9.4M 2 wasm-bindgen-backend ^2.0
8.4M 8 openssl-macros ^2
8.8M 8 serde_with_macros ^2.0.0
9.4M 7 wasm-bindgen-macro-support ^2.0
7.9M 1 async-stream-impl ^2.0.2
6.9M 20 pest_generator ^2.0
6.4M 636 tonic-build ^2.0
5.8M 2 num_enum_derive ^2
5.7M 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 586 derivative ^1.0.3
5.1M 9 serial_test_derive ^2
4.7M 2 snafu-derive ^2.0
4.5M 6 windows-implement ^2.0
4.5M 6 windows-interface ^2.0
5.1M 5 zeroize_derive ^2
3.9M 166 cbindgen ^2.0.85
4.1M 6 curve25519-dalek-derive ^2.0.27
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
2.1M 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
8.1M 493 prost-build optional ^2
1.7M 10 actix-macros ^2
1.6M 5 actix-web-codegen ^2
1.5M 2 ark-ff-asm ^2.0
1.5M 3 ark-ff-macros ^2.0
1.8M 111 auto_impl ^2.0
1.2M 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 274 getset ^2
1.2M 6 inherent ^2.0.46
1.0M 20 is-macro ^2.0.39
1.7M 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
1.0M 2 pyo3-stub-gen-derive ^2.0.96
1.1M 442 quickcheck_macros ^1.0
1.4M 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
975K 1 tabled_derive ^2
934K 25 enumn ^2.0.46
930K 1 tracing-test-macro ^2
919K 1 enumset_derive ^2
910K 7 neli-proc-macros ^1
910K 4 sea-bae ^2
909K 2 typify-impl ^2.0.91
909K 2 typify-macro ^2.0
871K 2 rust-embed-impl ^2
867K 3 cssparser-macros ^2
860K 18 swc_macros_common ^2
855K 1 ast_node ^2
854K 10 string_enum ^2
851K 2 from_variant ^2
847K 4 async-graphql-derive ^2.0
843K 4 graphql_client_codegen ^1.0
842K 1 graphql_query_derive ^1.0
837K 4 swc_eq_ignore_macros ^2
832K 1 metrics-macros ^2
804K 4 ark-serialize-derive ^2.0
802K 10 async-attributes ^1.0
782K 1 cucumber-codegen ^2.0
782K 2 gherkin build ^2.0
782K 1 synthez ^2.0
782K 1 synthez-codegen ^2.0
782K 2 synthez-core ^2.0
773K 3 utoipa-gen ^2.0
771K 22 attribute-derive ^2
771K 1 attribute-derive-macro ^2
765K 1 quote-use-macros ^2
763K 78 maybe-async ^2.0
738K validator_types ^1
699K 3 substrait build ^2.0.100
1.1M 8 jsonptr optional ^1.0.109
667K 12 get-size-derive ^2
639K 2 foundationdb-macros ^2.0.87
638K 5 glib-macros ^2.0.68
627K 1 substrait-validator-derive ^2.0
623K 1 profiling-procmacros ^2.0
602K 1 wasm-bindgen-test-macro ^2.0
580K 1 prometheus-client-derive-encode ^2
577K 222 proptest-derive ^2.0.48
574K 2 askama_derive ^2.0.41
573K 1 scale-info-derive ^2.0
549K include_dir_impl ^1
549K 1 pear_codegen ^2.0.30
548K 10 packed_struct_codegen ^1.0
541K 4 borsh-derive-internal ^1
541K borsh-schema-derive-internal ^1
537K 1 multiversion-macros ^2
509K 1 arg_enum_proc_macro ^2.0
505K 11 alloy-sol-macro ^2.0
506K 4 syn-solidity ^2.0
500K 88 derive-getters ^2.0
500K 2 der_derive ^2
498K 1 googletest_macro ^2.0.100
498K 21 structmeta ^2.0.48
498K 1 structmeta-derive ^2.0.48
487K 9 derive_utils ^2
483K 4 binrw_derive ^1.0.66
482K 9 syn_derive ^2.0
480K 1 deku_derive ^2.0
478K 12 diesel_derives ^2.0
463K 1 sea-query-derive ^2
458K 4 alloy-sol-macro-input ^2.0
457K 3 alloy-sol-macro-expander ^2.0
448K time-macros-impl ^1.0.15
446K 48 bitfield-struct ^2.0
443K 2 subenum ^1.0.107
442K 50 napi-derive ^2
442K 1 napi-derive-backend ^2
438K 6 parse-display-derive ^2.0.72
432K 1 polkavm-derive-impl ^2.0.25
412K 6 derive-into-owned ^1
412K 1 git-version-macro ^2.0
407K 1 polkavm-derive-impl-macro ^2.0.25
405K 1 statig_macro ^1.0.107
385K 56 aquamarine ^2
383K 24 auto_enums ^2.0.1
380K 45 derive-syn-parse ^2
379K 1 bon-macros ^2.0.56
372K 3 instability ^2.0.90
369K 2 jsonrpsee-proc-macros ^2.0
369K 1 monostate-impl ^2.0.59
366K 1 recursive-proc-macro-impl ^2.0
364K 2 argh_derive ^2.0
358K 2 diesel_table_macro_syntax ^2
355K 3 sea-orm-macros ^2
355K 166 rust_decimal_macros ^2.0
350K 1 chrony-candm-derive ^1
349K 266 failure_derive ^1.0.3
348K 17 solana-sdk-macro ^2.0
344K 82 trait-variant ^2.0
338K 2 salvo-serde-util ^2
335K 1 dsl_auto_type ^2
332K 1 linkme-impl ^2.0.46
329K 1 gtk3-macros ^2.0
320K 3 dlopen2_derive ^2.0
320K 4 libp2p-swarm-derive ^2.0.66
319K 3 alloy-rlp-derive ^2.0
307K 1 macro_magic_core_macros ^2
307K 2 macro_magic_core ^2
307K 1 macro_magic_macros ^2
303K 4 envconfig_derive ^2.0
301K 7 pnet_macros ^2.0.26
300K 10 actix_derive ^2
296K 1 static_init_macro ^1
285K 1 color-print-proc-macro ^2.0
285K 4 syn-mid ^2
277K 1 asn1_derive ^2.0
274K 1 munge_macro ^2
269K 9 wasmtime-versioned-export-macros ^2.0.25
269K 1 scale-encode-derive ^2
269K 1 tls_codec_derive ^2
265K 2 abscissa_derive ^1
769K 12 quote-use optional ^2
255K 1 scale-decode-derive ^2
253K 3 tauri-codegen ^2
253K 3 tauri-macros ^2
252K 1 sea-schema-derive ^2
251K 59 enum-primitive-derive ^2
251K 3 proc-macro-warning ^2
250K 1 trackable_derive ^1
249K 10 rlp-derive ^2.0.72
249K 1 spl-program-error-derive ^2.0
249K 3 wasmtime-component-macro ^2.0.25
244K 33 mockall_double ^2.0
245K 2 subxt-codegen ^2.0.77
245K 3 subxt-macro ^2.0.77
243K 1 ext-trait-proc_macros ^1.0.7
243K 1 walrus-macro ^2.0.77
241K 3 scale-typegen ^2.0.38
240K 4 interpolate_name ^2.0
240K 1 spl-discriminator-derive ^2.0
240K 1 spl-discriminator-syn ^2.0
238K 1 defmt-macros ^2
234K 1 serialize-to-javascript-impl ^2
231K 11 cfg_eval ^2.0.0
227K 64 rstest_reuse ^2.0.2
223K 1 mysql-common-derive ^2.0
224K 1 scylla-macros ^2.0
215K 1 neon-macros ^2.0.39
212K 1 typeshare-annotation ^2
211K 1 dyn-clonable-impl ^2.0
210K 3 postgres-derive ^2.0
209K 21 visibility ^2.0.0
208K 2 cpp_common ^2.0
207K 45 cpp_build ^2.0
207K 2 modular-bitfield-impl ^1
205K 1 docify_macros ^2
206K 2 tower-lsp-macros ^2
205K 1 cpp_macros ^2.0
203K 1 refinery-macros ^2
202K 4 frunk_proc_macro_helpers ^2
201K 23 frunk_derives ^2
194K 5 rustify_derive ^1.0
193K 5 wasmer-derive ^1.0.72
192K 7 delegate-attr ^2
192K 3 ntest_timeout ^1.0
193K 1 zbus-lockstep-macros ^2.0
188K 1 open-fastrlp-derive ^1
187K 1 fastrace-macro ^2.0
187K 65 solana-frozen-abi-macro ^2.0
186K 1 ntest_test_cases ^1.0
184K 2 frunk_proc_macros ^2
183K 4 ethers-contract-abigen ^2.0
181K 4 actix-multipart-derive ^2
178K 1 dummy ^2.0
177K 4 ethers-contract-derive ^2.0
176K 1 tsify-macros ^2.0
172K 1 gltf-derive ^2
170K 1 with_builtin_macros-proc_macros 1.0.*
169K 6 swc_ecma_codegen_macros ^2
168K 5 gumdrop_derive ^1
167K 1 flutter_rust_bridge_macros ^2.0.26
165K 1 g2gen ^2.0
164K 2 rustler_codegen ^2.0
165K 4 tarpc-plugins ^2.0
164K 5 wit-bindgen-rust ^2.0.89
162K 5 progenitor-impl ^2.0.93
162K 22 rocket_codegen ^2.0
160K 11 ghost ^2.0.46
160K 86 rustyline-derive ^2.0.72
160K 1 wit-bindgen-rust-macro ^2.0.89
159K 1 fix-hidden-lifetime-bug-proc_macros ^1.0.7
159K 1 safer_ffi-proc_macros ^1.0
158K 10 sp-debug-derive ^2.0.48
158K 2 sp-runtime-interface-proc-macro ^2.0.50
157K 1 ff_derive ^1
156K 5 derive_destructure2 ^2
155K 18 qualifier_attr ^2
152K 1 palette_derive ^2.0.13
151K 2 rhai_codegen ^2.0.0
151K 14 swc_ecma_transforms_macros ^2
149K 2 devise_core ^2.0
150K 2 sp-api-proc-macro ^2.0.87
147K 3 deno_ops ^2
147K 1 proc-macro-rules ^2.0.15
147K 1 proc-macro-rules-macros ^2.0.15
146K 2 progenitor-macro ^2.0
145K 4 swc_config_macro ^2
145K 1 thiserror-core-impl ^2.0.23
146K 1 webview2-com-macros ^2.0
144K 50 extend ^2
144K 1 fatality-proc-macro ^2
144K 1 orchestra-proc-macro ^1.0.109
141K 18 dlopen_derive ^0.15.34
141K 22 trait-set ^1.0
140K 3 minicbor-derive ^2.0.58
140K 24 stability ^2
139K 33 anchor-syn ^1
140K 2 sp-version-proc-macro ^2.0.87
139K 1 static-map-macro ^2.0.39
139K 6 uniffi_macros ^2.0
138K 1 wrapcenum-derive ^2.0
137K 6 cosmwasm-derive ^2
136K 1 stabby-macros ^1.0.86
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 1 rb-sys-build ^2.0
128K 1 wai-bindgen-rust-impl ^1.0
127K 2 bpaf_derive ^2.0.2
127K 9 schemafy_lib ^1.0
127K 1 test-context-macros ^2
125K 6 anchor-attribute-program ^1
126K 1 cmd_lib_macros ^2
126K 1 comparable_derive ^1.0
126K 1 comparable_helper ^1.0
126K 2 swc_visit_macros ^2
125K 6 anchor-attribute-access-control ^1
125K 6 anchor-attribute-account ^1
125K 6 anchor-attribute-error ^1
125K 7 anchor-attribute-event ^1
125K 7 anchor-derive-accounts ^1
124K 1 kinded_macros ^2.0
123K 3 accessory ^2
123K 2 fancy_constructor ^2
123K 2 macroific_attr_parse ^2
123K 2 macroific_core ^2
123K 1 macroific_macro ^2
122K 2 delegate-display ^2
122K 1 nutype_macros ^2.0
121K 47 automod ^2.0.46
121K 8 derive-try-from-primitive ^1.0
121K 94 test-strategy ^2.0.68
120K 2 bevy_reflect_derive ^2.0
120K 5 datafusion-macros ^2.0.79
120K indoc-impl ^1.0
120K 1 match_token ^2
119K 5 serde_default ^2.0.52
118K 21 bevy_macro_utils ^2.0
118K 13 unzip-n ^1.0.5
117K 12 variant_count ^1.0
116K 1 tsify-next-macros ^2.0
115K 2 wiggle-generate ^2.0.25
115K 1 wiggle-macro ^2.0.25
114K 6 anchor-attribute-constant ^1
114K 7 liquid-derive ^2.0
113K auto_enums_core ^1
113K auto_enums_derive ^1
112K gix-macros ^2.0
112K 2 maud_macros ^2
111K 1 metered-macro ^1.0
110K 1 rbtag_derive ^0.15.24
111K 1 salvo-oapi-macros ^2
111K 2 synattra ^1.0
110K 1 faux_macros ^2
109K 2 aspect-weave ^1.0
108K 2 impartial-ord ^2
109K 4 server_fn_macro ^2.0
107K 6 bevy_ecs_macros ^2.0
107K 2 encase_derive_impl ^2.0.1
106K 48 bevy_derive ^2.0
105K 2 bevy_utils_proc_macros ^2.0
106K 1 server_fn_macro_default ^2.0
105K 1 ts-rs-macros ^2.0.28
105K 1 calmio_filters ^1
105K 1 magnus-macros ^2
105K 3 tao-macros ^2
104K 2 cortex-m-rt-macros ^2.0
103K uniffi_checksum_derive ^2.0
102K 2 membrane_types ^2.0
102K runtime-struct-field-names-as-array ^2
307K 15 macro_magic optional ^2
100K 1 indexed_db_futures_macros_internal ^2
101K 1 thiserror-impl-no-std ^1.0.45
98K 25 ic-cdk-macros ^2
99K 1 oxc-miette-derive ^2
97K 4 mlua_derive ^2.0
95K 1 cosmwasm-schema-derive ^2
95K 19 diesel-derive-enum ^2
95K 1 serde_valid_derive ^2.0
95K 3 divan-macros ^2.0.18
94K 1 salvo-craft-macros ^2
91K 37 derive_setters ^2
91K 1 pam-macros ^1.0
89K 5 oxc_ast_macros ^2
88K 2 bitcode_derive ^2.0.3
88K 24 dynasm ^2.0.77
87K 3 command_attr ^1.0
87K 1 genco-macros ^2.0.38
87K 1 poem-derive ^2.0
87K 1 stdweb-internal-macros ^1
86K 2 anchor-derive-space ^1
86K 1 bevy_render_macros ^2.0
86K 56 derive_deref ^1.0
86K 5 leptos_macro ^2.0
86K 9 stdweb-derive ^1
86K 1 validated_struct_macros ^2
84K 1 axum_typed_multipart_macros ^2.0.87
84K 1 unic-langid-macros-impl ^2.0
83K 33 serde-enum-str ^1
82K 1 wezterm-dynamic-derive ^1.0
82K 9 enum-repr ^1
82K 36 jsonrpc-derive ^1.0
82K 2 worker-macros ^2.0.17
81K 13 cynic-codegen ^2
81K 1 cynic-proc-macros ^2
80K 57 embed-doc-image ^1.0.72
80K 1 deepsize_derive ^1.0
80K 1 salsa-macros ^2.0.64
79K 1 foundations-macros ^2
79K 22 rstml ^2.0.96
79K 1 sscanf_macro ^2.0.1
78K 5 cargo-expand ^2.0.85
78K prometheus-client-derive-text-encode ^1
77K 1 biome_diagnostics_macros ^1.0.85
76K 1 anchor-derive-serde ^1
76K 2 assert_type_match ^2.0
76K 1 const-str-proc-macro ^2.0.2
74K flutter_rust_bridge_codegen ^2.0.26
75K 1 nougat-proc_macros ^1.0.7
74K 31 readonly ^2.0.46
75K starknet-crypto-codegen ^2.0.55
75K 1 typesize-derive ^2.0.39
74K 2 protoc-gen-tonic ^2.0.22
222K 7 expander optional ^2
73K 1 lending-iterator-proc_macros ^1.0.7
73K 6 swift-bridge-build ^1
73K 2 swift-bridge-ir ^1
73K 1 swift-bridge-macro ^1
220K 96 ethers-core optional ^2.0
71K 1 bevy_asset_macros ^2.0
71K 11 ethereum_ssz_derive ^2.0.69
71K 1 arr_macro_impl ^1.0
71K 27 bitmask-enum ^2.0
71K 1 ndk-macro ^1.0.60
70K 4 clickhouse-derive ^2.0
69K 6 chalk-derive ^2.0
67K 15 custom_debug_derive ^2.0.48
68K 2 deprecate-until ^2.0.39
67K 3 parquet_derive ^2.0
68K 10 rsb_derive ^1.0
68K 1 rvs_derive ^1.0
67K 2 candid_derive ^2.0
66K 1 better_typeid_derive ^1.0
66K 1 delta_kernel_derive ^2.0
66K 3 macro-string ^2.0.98
66K 9 poem-openapi-derive ^2.0
65K 1 async-backtrace-attributes ^2.0
65K 1 binread_derive ^1
65K 1 gtk4-macros ^2.0
65K 48 remain ^2.0.46
64K 1 madsim-macros ^1
63K 4 slog_derive ^1.0
63K 1 bevy_gizmos_macros ^2.0
61K 11 build-time ^2.0
61K 59 concat-idents ^2.0.16
62K 2 include-flate-codegen ^2.0.2
62K 3 wit-bindgen-wrpc-rust ^2
62K 1 wit-bindgen-wrpc-rust-macro ^2
61K 1 serde_tuple_macros ^1
59K 3 leptos_hot_reload ^2.0
59K 2 valuable-derive ^2.0
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