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
1346
1381
1418
1492
1548
1582
1659
1700
1743
1784
1816
1859
1889
1944
2021
2061
2113
2153
2174
2233
2245
2295
2328
2390
2439
2514
2573
2641
2739
2829
2934
3010
3042
3116
3184
3240
3281
3363
3414
3494
3599
3673
3742
3776
3817
3877
3945
3961
3991
4007
4066
4121
4156
4181
2018 2019 2020 2021 2022 2023 2024 2025

Syn is used at run time in 108,002 crates (of which 12,021 optionally). It is a direct run-time dependency in 10,516 crates. It's used at build time in 2,199 crates (of which 610 optionally, 23 directly). It's used only as a dev dependency in 4,943 crates (of which 17 directly).

Number of dependers Syn version Downloads/month
94,608 2.0.100 8.1M
2 2.0.98 4.1M
1 2.0.96 1.8M
16 2.0.95 4.6M
2 2.0.77 767K
9 2.0.72 1.6M
2 2.0.56 132K
1 2.0.52 1.0M
1 2.0.39 1.8M
17,882 1.0.109 13.0M
1 1.0.86 216K
5 1.0.57 25K
1,814 0.15.44 702K
16 0.15.31 650
123 0.14.9 104K
55 0.13.11 25K
70 0.12.15 600
525 0.11.11 159K
6 0.9.2 0
5 0.8.7 0
Depender (with downloads and own rev deps) Syn version
25.0M 6 thiserror-impl ^2.0.87
20.1M 6173 serde_derive ^2.0.81
12.7M 93 clap_derive ^2.0.8
13.5M 32 zerocopy-derive ^2.0.46
11.5M 7449 async-trait ^2.0.46
11.6M 4 darling_core ^2.0.15
11.6M 2 darling_macro ^2.0.15
11.5M 4 futures-macro ^2.0.52
12.3M 55 prost-derive ^2
11.9M 1441 strum_macros ^2.0
12.2M 122 synstructure ^2
11.7M 40 tokio-macros ^2.0
11.9M 45 tracing-attributes ^2.0
10.0M 223 displaydoc ^2.0
10.1M 2 pin-project-internal ^2.0.1
9.6M 2 zerofrom-derive ^2.0.21
9.1M 1 icu_provider_macros ^2.0.21
9.1M 355 prettyplease ^2.0.96
9.3M 4 yoke-derive ^2.0.21
9.1M 4 zerovec-derive ^2.0.21
7.9M 2216 bindgen ^2.0
7.4M 7 openssl-macros ^2
7.7M 8 serde_with_macros ^2.0.0
8.3M 2 wasm-bindgen-backend ^2.0
8.3M 7 wasm-bindgen-macro-support ^2.0
6.9M 1 async-stream-impl ^2.0.2
6.0M 2 num_enum_derive ^2
5.8M 20 pest_generator ^2.0
5.8M 2 pyo3-macros ^2
5.8M 1 pyo3-macros-backend ^2.0.59
5.3M 618 tonic-build ^2.0
4.3M 587 derivative ^1.0.3
4.3M 1007 num-derive ^2.0.5
4.5M 17 phf_macros ^2
4.2M 5 zeroize_derive ^2
3.1M 1 asn1-rs-derive ^2.0
3.4M 65 axum-macros ^2.0
3.2M 1 derive_builder_core ^2.0.15
3.1M 1 derive_builder_macro ^2.0.15
3.6M 2 mockall_derive ^2.0.9
3.8M 1 ptr_meta_derive ^2
3.5M 4 schemars_derive ^2.0
3.9M 34 serde_derive_internals ^2.0.46
3.6M 686 serde_repr ^2.0.46
3.7M 10 serial_test_derive ^2
3.5M 2 snafu-derive ^2.0
3.2M 6 windows-implement ^2.0
3.2M 6 windows-interface ^2.0
3.0M 1 asn1-rs-impl ^2.0
3.0M 516 async-recursion ^2.0
2.8M 53 borsh-derive ^2.0.81
2.5M 1 bytecheck_derive ^2
2.3M 30 bytemuck_derive ^2.0.1
2.6M 165 cbindgen ^2.0.85
2.9M 6 curve25519-dalek-derive ^2.0.27
2.3M 12 derive_arbitrary ^2
2.4M 1 derive_more-impl ^2.0.45
2.2M 141 educe ^2
2.6M 100 enum-as-inner ^2.0
2.9M 3 rkyv_derive ^2.0.73
2.2M 1 rstest_macros ^2.0.79
2.8M 3 sqlx-macros ^2.0.52
2.7M 3 sqlx-macros-core ^2.0.52
2.1M 2 typed-builder-macro ^2
7.3M 486 prost-build optional ^2
1.6M 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 112 auto_impl ^2.0
1.5M 1 cached_proc_macro ^2.0.52
1.4M 152 cxx-build ^2.0.46
1.5M 1 cxxbridge-macro ^2.0.46
1.6M 1 data-encoding-macro-internal >=1, <3
1.3M 92 delegate ^2
1.2M 273 derive-new ^2
1.3M 64 derive-where ^2
1.3M 5 enum-map-derive ^2.0.0
1.3M 2 enum-ordinalize-derive ^2
1.4M 231 enum_dispatch ^2.0
1.8M 4 enumflags2_derive ^2.0
1.0M 1 equator-macro ^2.0.72
1.1M 1 foreign-types-macros ^2.0
1.0M 253 getset ^2
1.1M 72 impl-trait-for-tuples ^2.0.89
1.2M 6 inherent ^2.0.46
1.2M 19 kube-derive ^2.0.38
1.1M 1 lazy-regex-proc_macros ^2.0
1.1M 2 logos-codegen ^2.0.13
1.1M 1 miette-derive ^2.0.48
1.6M 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 429 quickcheck_macros ^1.0
1.4M 1 ref-cast-impl ^2.0.46
1.3M 6 scroll_derive ^2
1.0M 58 sealed ^2.0
1.3M 127 smart-default ^2
1.5M 5 sqlparser_derive ^2.0
1.6M 71 structopt-derive ^1
1.4M 1 test-case-core ^2.0
1.5M 1 test-case-macros ^2.0
1.5M 2 test-log-macros ^2.0
1.1M 1 tracing-test-macro ^2
1.1M 1 typetag-impl ^2.0.46
1.1M 2 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
6.2M 573 proc-macro-error optional ^1
3.2M 1 const_format_proc_macros optional ^1.0.38
3.8M 84 libsqlite3-sys optional build ^2.0.72
1.0M 20 is-macro ^2.0.39
1.0M 21 serde_tokenstream ^2.0
1.0M 1 tabled_derive ^2
2.8M 73 proc-macro-error2 optional ^2
974K 1 rasn-derive ^2.0.79
967K 25 enumn ^2.0.46
966K 5 enum-iterator-derive ^2.0.15
953K 1 biscuit-quote ^1.0.85
947K 7 neli-proc-macros ^1
946K 1 pyo3-async-runtimes-macros ^2
940K 3 async-generic ^2.0
936K 1 enumset_derive ^2
912K 4 sea-bae ^2
904K 2 typify-impl ^2.0.91
904K 2 typify-macro ^2.0
880K 3 cssparser-macros ^2
868K 18 swc_macros_common ^2
866K 1 ast_node ^2
865K 10 string_enum ^2
862K 2 from_variant ^2
852K 4 swc_eq_ignore_macros ^2
845K 2 traitful ^2.0
844K 4 async-graphql-derive ^2.0
835K 2 rust-embed-impl ^2
829K 1 metrics-macros ^2
827K 4 graphql_client_codegen ^1.0
827K 1 graphql_query_derive ^1.0
812K 1 gherkin build ^2.0
811K 1 cucumber-codegen ^2.0
811K 1 synthez ^2.0
811K 1 synthez-codegen ^2.0
811K 2 synthez-core ^2.0
798K 10 async-attributes ^1.0
773K 4 ark-serialize-derive ^2.0
756K 77 maybe-async ^2.0
740K 21 attribute-derive ^2
740K 1 attribute-derive-macro ^2
739K validator_types ^1
736K 1 quote-use-macros ^2
711K 3 utoipa-gen ^2.0
710K 3 substrait build ^2.0.100
1.1M 8 jsonptr optional ^1.0.109
666K 12 get-size-derive ^2
633K 2 foundationdb-macros ^2.0.87
627K include_dir_impl ^1
623K 1 substrait-validator-derive ^2.0
617K 5 glib-macros ^2.0.68
609K 1 profiling-procmacros ^2.0
607K 2 askama_derive ^2
608K 1 prometheus-client-derive-encode ^2
601K 10 packed_struct_codegen ^1.0
584K 1 multiversion-macros ^2
580K 1 scale-info-derive ^2.0
575K 1 wasm-bindgen-test-macro ^2.0
549K 1 googletest_macro ^2.0.39
548K 4 syn-solidity ^2.0
547K 11 alloy-sol-macro ^2.0
533K 1 deku_derive ^2.0
533K 1 pear_codegen ^2.0.30
534K 219 proptest-derive ^2.0.48
531K 3 binrw_derive ^1.0.66
527K 9 syn_derive ^2.0
526K 1 polkavm-derive-impl ^2.0.25
520K 4 borsh-derive-internal ^1
520K borsh-schema-derive-internal ^1
515K 1 arg_enum_proc_macro ^2.0
504K 12 diesel_derives ^2.0
501K 1 polkavm-derive-impl-macro ^2.0.25
477K 21 structmeta ^2.0.48
477K 1 structmeta-derive ^2.0.48
475K 2 der_derive ^2
473K 9 derive_utils ^2
464K 84 derive-getters ^2.0
458K 1 statig_macro ^1.0.107
445K 2 alloy-sol-macro-expander ^2.0
445K 48 bitfield-struct ^2.0
444K 3 alloy-sol-macro-input ^2.0
443K 6 derive-into-owned ^1
423K 1 sea-query-derive ^2
408K 1 git-version-macro ^2.0
407K time-macros-impl ^1.0.15
405K 50 napi-derive ^2
405K 1 napi-derive-backend ^2
403K 1 chrony-candm-derive ^1
397K 5 parse-display-derive ^2.0.72
393K 54 aquamarine ^2
388K 2 diesel_table_macro_syntax ^2
380K 45 derive-syn-parse ^2
378K 2 jsonrpsee-proc-macros ^2.0
368K 3 sea-orm-macros ^2
368K 22 auto_enums ^2.0.1
367K 1 dsl_auto_type ^2
365K 1 monostate-impl ^2.0.59
363K 1 bon-macros ^2.0.56
358K 2 salvo-serde-util ^2
350K 3 instability ^2.0.90
341K 2 argh_derive ^2.0
341K 78 trait-variant ^2.0
340K 1 cxxbridge-cmd ^2.0.46
336K 1 color-print-proc-macro ^2.0
335K 4 libp2p-swarm-derive ^2.0.66
329K 260 failure_derive ^1.0.3
321K 1 gtk3-macros ^2.0
320K 3 subenum ^1.0.107
317K 4 envconfig_derive ^2.0
315K 10 actix_derive ^2
315K 15 solana-sdk-macro ^2.0
309K 2 static_init_macro ^1
308K 1 macro_magic_core_macros ^2
307K 1 asn1_derive ^2.0
308K 3 dlopen2_derive ^2.0
308K 2 macro_magic_core ^2
308K 1 macro_magic_macros ^2
303K 7 pnet_macros ^2.0.26
302K 1 linkme-impl ^2.0.46
302K 12 variant_count ^1.0
299K 3 alloy-rlp-derive ^2.0
277K 2 abscissa_derive ^1
270K 4 syn-mid ^2
266K 1 recursive-proc-macro-impl ^2.0
262K 3 proc-macro-warning ^2
256K 9 wasmtime-versioned-export-macros ^2.0.25
250K 3 tauri-codegen ^2
250K 3 tauri-macros ^2
250K 1 trackable_derive ^1
249K 3 wasmtime-component-macro ^2.0.25
247K 59 enum-primitive-derive ^2
247K 33 mockall_double ^2.0
248K 10 rlp-derive ^2.0.72
245K 4 frunk_proc_macro_helpers ^2
739K 11 quote-use optional ^2
244K 23 frunk_derives ^2
245K starknet-crypto-codegen ^2.0.55
242K 1 walrus-macro ^2.0.77
240K 1 munge_macro ^2
239K 1 spl-program-error-derive ^2.0
235K 1 tls_codec_derive ^2
235K 4 interpolate_name ^2.0
234K 1 sea-schema-derive ^2
233K 1 serialize-to-javascript-impl ^2
231K 1 spl-discriminator-derive ^2.0
231K 1 spl-discriminator-syn ^2.0
228K 1 defmt-macros ^2
228K 1 mysql-common-derive ^2.0
227K 2 frunk_proc_macros ^2
225K 1 ext-trait-proc_macros ^1.0.7
225K 1 typeshare-annotation ^2
218K 5 datafusion-macros ^2.0.79
218K 1 docify_macros ^2
218K 1 dyn-clonable-impl ^2.0
218K 2 sp-api-proc-macro ^2.0.87
218K 1 neon-macros ^2.0.39
217K 1 scale-encode-derive ^2
215K 1 scylla-macros ^2.0
211K 3 postgres-derive ^2.0
210K 11 cfg_eval ^2.0.0
208K 1 scale-decode-derive ^2
206K 61 rstest_reuse ^2.0.2
204K 2 tower-lsp-macros ^2
199K 1 tsify-macros ^2.0
197K 2 subxt-codegen ^2.0.77
197K 3 subxt-macro ^2.0.77
196K 21 visibility ^2.0.0
193K 3 scale-typegen ^2.0.38
192K 1 refinery-macros ^2
187K 2 modular-bitfield-impl ^1
186K 1 open-fastrlp-derive ^1
184K 3 actix-multipart-derive ^2
183K 45 cpp_build ^2.0
183K 2 cpp_common ^2.0
182K 1 cpp_macros ^2.0
180K 59 solana-frozen-abi-macro ^2.0
179K 1 dummy ^2.0
178K 4 ethers-contract-abigen ^2.0
177K 4 ethers-contract-derive ^2.0
176K 5 rustify_derive ^1.0
175K 6 swc_ecma_codegen_macros ^2
172K 10 sp-debug-derive ^2.0.48
172K 2 sp-runtime-interface-proc-macro ^2.0.50
171K 5 wit-bindgen-rust ^2.0.89
170K 22 rocket_codegen ^2.0
168K 1 wit-bindgen-rust-macro ^2.0.89
167K 5 derive_destructure2 ^2
165K 1 fix-hidden-lifetime-bug-proc_macros ^1.0.7
166K 3 ntest_timeout ^1.0
164K 1 with_builtin_macros-proc_macros 1.0.*
162K 2 rustler_codegen ^2.0
160K 2 devise_core ^2.0
160K 1 ntest_test_cases ^1.0
160K 1 rb-sys-build ^2.0
159K 1 safer_ffi-proc_macros ^1.0
158K 14 swc_ecma_transforms_macros ^2
158K 1 zbus-lockstep-macros ^2.0
157K 9 schemafy_lib ^1.0
156K 1 fatality-proc-macro ^2
156K 1 orchestra-proc-macro ^1.0.109
155K 2 rhai_codegen ^2.0.0
156K 5 wasmer-derive ^1.0.72
155K 1 fastrace-macro ^2.0
154K 4 tarpc-plugins ^2.0
155K 1 thiserror-core-impl ^2.0.23
154K 4 swc_config_macro ^2
151K gix-macros ^2.0
150K 5 gumdrop_derive ^1
150K 1 palette_derive ^2.0.13
149K 2 sp-version-proc-macro ^2.0.87
149K 1 webview2-com-macros ^2.0
149K 3 deno_ops ^2
148K 1 g2gen ^2.0
148K 22 trait-set ^1.0
145K 11 ghost ^2.0.46
146K 1 proc-macro-rules-macros ^2.0.15
146K 2 ssz_rs_derive ^1.0
144K 1 gltf-derive ^2
145K 3 minicbor-derive ^2.0.58
145K 18 qualifier_attr ^2
143K 50 extend ^2
143K 1 proc-macro-rules ^2.0.15
141K 1 comparable_derive ^1.0
141K 1 comparable_helper ^1.0
142K 4 sp-crypto-hashing-proc-macro ^2.0.48
140K 5 progenitor-impl ^2.0.93
136K 1 test-context-macros ^2
136K 6 uniffi_macros ^2.0
135K 1 cmd_lib_macros ^2
135K 1 ff_derive ^1
135K 1 kinded_macros ^2.0
134K 93 test-strategy ^2.0.68
133K 1 nutype_macros ^2.0
133K 2 bpaf_derive ^2.0.2
132K 2 swc_visit_macros ^2
128K 33 anchor-syn ^1
128K 1 faux_macros ^2
128K 1 magnus-macros ^2
127K 18 dlopen_derive ^0.15.34
127K 2 mongodb-internal-macros ^2.0.52
126K 86 rustyline-derive ^2.0.72
126K 2 wiggle-generate ^2.0.25
126K 1 wiggle-macro ^2.0.25
125K 2 progenitor-macro ^2.0
122K 7 delegate-attr ^2
122K 8 derive-try-from-primitive ^1.0
121K 1 rbtag_derive ^0.15.24
120K 1 flutter_rust_bridge_macros ^2.0.26
120K uniffi_checksum_derive ^2.0
119K 47 automod ^2.0.46
119K 1 wrapcenum-derive ^2.0
117K 22 stability ^2
117K 1 calmio_filters ^1
116K 6 cosmwasm-derive ^2
116K indoc-impl ^1.0
113K 6 anchor-attribute-access-control ^1
113K 6 anchor-attribute-account ^1
113K 6 anchor-attribute-error ^1
113K 7 anchor-attribute-event ^1
113K 6 anchor-attribute-program ^1
113K 7 anchor-derive-accounts ^1
113K 2 membrane_types ^2.0
112K 1 rinja_derive ^2.0.3
112K auto_enums_core ^1
112K auto_enums_derive ^1
111K 7 liquid-derive ^2.0
111K runtime-struct-field-names-as-array ^2
111K 2 bevy_reflect_derive ^2.0
111K 1 metered-macro ^1.0
111K 2 synattra ^1.0
109K 19 bevy_macro_utils ^2.0
110K 2 maud_macros ^2
108K 2 cortex-m-rt-macros ^2.0
109K 1 stabby-macros ^1.0.86
108K 1 static-map-macro ^2.0.39
109K 1 thiserror-impl-no-std ^1.0.45
107K 2 aspect-weave ^1.0
108K 3 tao-macros ^2
106K 25 ic-cdk-macros ^2
107K 14 unzip-n ^1.0.5
106K 6 anchor-attribute-constant ^1
104K 2 encase_derive_impl ^2.0.1
103K 1 wai-bindgen-rust-impl ^1.0
103K 4 mlua_derive ^2.0
103K 1 sscanf_macro ^2.0.1
308K 15 macro_magic optional ^2
102K 6 bevy_ecs_macros ^2.0
101K 19 diesel-derive-enum ^2
101K 1 ts-rs-macros ^2.0.28
100K 47 bevy_derive ^2.0
101K 2 bevy_utils_proc_macros ^2.0
101K 2 frame-support-procedural-tools ^2.0.87
100K 36 derive_setters ^2
98K 2 frame-support-procedural-tools-derive ^2.0.50
99K 1 salvo-craft-macros ^2
98K 1 serde_valid_derive ^2.0
97K 4 server_fn_macro ^2.0
97K 1 salvo-oapi-macros ^2
96K 1 server_fn_macro_default ^2.0
95K 3 frame-support-procedural ^2.0.87
95K 1 oxc-miette-derive ^2
94K 2 bitcode_derive ^2.0.3
91K 12 cynic-codegen ^2
91K 1 cynic-proc-macros ^2
91K 9 enum-repr ^1
90K 56 derive_deref ^1.0
89K 1 match_token ^2
89K 33 serde-enum-str ^1
88K 5 oxc_ast_macros ^2
88K 1 pam-macros ^1.0
88K 1 parity-util-mem-derive ^1
89K 1 unic-langid-macros-impl ^2.0
87K 1 poem-derive ^2.0
87K 2 pyo3-stub-gen-derive ^2.0.96
87K 3 command_attr ^1.0
86K 24 dynasm ^2.0.77
86K 2 xcm-procedural ^2.0.87
85K 3 divan-macros ^2.0.18
85K 2 protoc-gen-tonic ^2.0.22
84K 1 axum_typed_multipart_macros ^2.0.87
84K 1 const-str-proc-macro ^2.0.2
83K 1 bevy_render_macros ^2.0
83K 1 stdweb-internal-macros ^1
83K 2 worker-macros ^2.0.17
82K 1 biome_diagnostics_macros ^1.0.85
82K 1 cosmwasm-schema-derive ^2
82K 1 deepsize_derive ^1.0
82K 9 stdweb-derive ^1
79K 2 anchor-derive-space ^1
79K 3 frame-election-provider-solution-type ^2.0.53
79K 1 genco-macros ^2.0.38
79K 1 ndk-macro ^1.0.60
79K 1 salsa-macros ^2.0.64
77K 25 bitmask-enum ^2.0
77K 5 leptos_macro ^2.0
78K 1 wezterm-dynamic-derive ^1.0
233K 7 expander optional ^2
77K 10 serde-sarif build ^2.0.90
76K 1 typesize-derive ^2.0.39
76K 2 cumulus-pallet-parachain-system-proc-macro ^2.0.48
76K 56 embed-doc-image ^1.0.72
76K 3 parquet_derive ^2.0
75K 1 better_typeid_derive ^1.0
73K 1 arr_macro_impl ^1.0
74K 1 async-backtrace-attributes ^2.0
74K 6 chalk-derive ^2.0
74K 15 custom_debug_derive ^2.0.48
74K 30 readonly ^2.0.46
72K prometheus-client-derive-text-encode ^1
72K 1 serde_tuple_macros ^1
217K 95 ethers-core optional ^2.0
70K 1 anchor-derive-serde ^1
71K 6 pallet-contracts-proc-macro ^2.0.87
70K 1 delta_kernel_derive ^2.0
69K 1 foundations-macros ^2
69K 3 pallet-revive-proc-macro ^2.0.87
69K 1 validated_struct_macros ^2
69K 2 assert_type_match ^2.0
69K 1 bevy_asset_macros ^2.0
69K 36 jsonrpc-derive ^1.0
68K 3 poem-openapi-derive ^2.0
67K 22 rstml ^2.0.96
66K 4 clickhouse-derive ^2.0
67K 9 log-derive ^1.0.5
67K 6 swift-bridge-build ^1
67K 2 swift-bridge-ir ^1
67K 1 swift-bridge-macro ^1
66K 59 concat-idents ^2.0.16
65K 10 ethereum_ssz_derive ^2.0.69
65K 4 slog_derive ^1.0
63K 2 candid_derive ^2.0
64K 3 leptos_hot_reload ^2.0
63K 1 nougat-proc_macros ^1.0.7
64K 48 remain ^2.0.46
64K 10 rsb_derive ^1.0
64K 1 rvs_derive ^1.0
62K 1 abi_stable_derive ^1.0.86
63K 3 as_derive_utils ^1.0.86
62K 1 binread_derive ^1
62K 2 deprecate-until ^2.0.39
62K 5 syn-inline-mod ^2.0.0
61K 1 bevy_gizmos_macros ^2.0
61K flutter_rust_bridge_codegen ^2.0.26
61K 10 build-time ^2.0
61K 1 lending-iterator-proc_macros ^1.0.7
60K 1 com_macros ^1.0
60K 1 com_macros_support ^1.0
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