Keystones
Ranked by afferent coupling — how many tracked items depend on them. The signal to watch is the popularity–criticality gap: required by many, modest own-downloads → hidden keystone. Untracked targets aren't scraped yet; that they're already depended-upon is itself a discovery cue.
Most depended-upon
| Target | Relation | Dependents | Own downloads | |
|---|---|---|---|---|
| 01 | hashicorp/aws terraform | requires_provider | 11,194 | 7.3B |
| 02 | hashicorp/azurerm terraform | requires_provider | 3,290 | 1.9B |
| 03 | hashicorp/random terraform | requires_provider | 2,812 | 3.1B |
| 04 | hashicorp/google terraform | requires_provider | 1,567 | 2.3B |
| 05 | hashicorp/null terraform | requires_provider | 1,334 | 2.4B |
| 06 | hashicorp/template terraform | requires_provider | 1,274 | 1.1B |
| 07 | hashicorp/kubernetes terraform | requires_provider | 1,141 | 1.6B |
| 08 | pytest pypi | depends_on | 1,134 | 1.1B |
| 09 | typing-extensions pypi | depends_on | 1,051 | 1.9B |
| 10 | hashicorp/helm terraform | requires_provider | 790 | 719M |
| 11 | hashicorp/local terraform | requires_provider | 717 | 1.2B |
| 12 | hashicorp/tls terraform | requires_provider | 639 | 950M |
| 13 | requests pypi | depends_on | 634 | 1.8B |
| 14 | numpy pypi | depends_on | 624 | 1.1B |
| 15 | pytest-cov pypi | depends_on | 553 | 236M |
| 16 | hashicorp/archive terraform | requires_provider | 527 | 792M |
| 17 | hashicorp/time terraform | requires_provider | 479 | 1.2B |
| 18 | serde crates | depends_on | 423 | 1.3B |
| 19 | pydantic pypi | depends_on | 422 | 1.1B |
| 20 | packaging pypi | depends_on | 404 | 2.2B |
| 21 | cloudposse/label/null terraform | uses_module | 399 | 207M |
| 22 | sphinx pypi | depends_on | 398 | 91.8M |
| 23 | hashicorp/external terraform | requires_provider | 342 | 1.0B |
| 24 | pandas pypi | depends_on | 341 | 769M |
| 25 | mypy pypi | depends_on | 339 | 200M |
| 26 | hashicorp/google-beta terraform | requires_provider | 322 | 1.2B |
| 27 | hashicorp/http terraform | requires_provider | 310 | 380M |
| 28 | httpx pypi | depends_on | 299 | 797M |
| 29 | hashicorp/azuread terraform | requires_provider | 298 | 732M |
| 30 | coverage pypi | depends_on | 295 | 336M |
| 31 | pyyaml pypi | depends_on | 278 | 1.2B |
| 32 | ruff pypi | depends_on | 275 | 316M |
| 33 | pre-commit pypi | depends_on | 264 | 180M |
| 34 | protobuf crates | depends_on | 244 | 868M |
| 35 | CiscoDevNet/aci terraform | requires_provider | 241 | 9.8M |
| 36 | aliyun/alicloud terraform | requires_provider | 240 | 66.0M |
| 37 | aiohttp pypi | depends_on | 232 | 644M |
| 38 | click pypi | depends_on | 232 | 1.1B |
| 39 | integrations/github terraform | requires_provider | 221 | 354M |
| 40 | scipy pypi | depends_on | 217 | 449M |
| 41 | cryptography pypi | depends_on | 213 | 1.5B |
| 42 | flake8 pypi | depends_on | 212 | 58.4M |
| 43 | opentelemetry-api pypi | depends_on | 211 | 464M |
| 44 | python-dateutil pypi | depends_on | 211 | 1.2B |
| 45 | matplotlib pypi | depends_on | 205 | 232M |
| 46 | quote crates | depends_on | 199 | 1.5B |
| 47 | jinja2 pypi | depends_on | 197 | 719M |
| 48 | Azure/azapi terraform | requires_provider | 195 | 259M |
| 49 | pytest-xdist pypi | depends_on | 194 | 177M |
| 50 | black pypi | depends_on | 193 | 180M |
| 51 | syn crates | depends_on | 193 | 2.2B |
| 52 | tqdm pypi | depends_on | 192 | 649M |
| 53 | proc-macro2 crates | depends_on | 190 | 1.5B |
| 54 | libc crates | depends_on | 188 | 1.5B |
| 55 | cloudflare/cloudflare terraform | requires_provider | 186 | 314M |
| 56 | setuptools pypi | depends_on | 184 | 1.6B |
| 57 | rich pypi | depends_on | 182 | 614M |
| 58 | urllib3 pypi | depends_on | 181 | 1.8B |
| 59 | digitalocean/digitalocean terraform | requires_provider | 180 | 13.6M |
| 60 | torch pypi | depends_on | 166 | 102M |
| 61 | boto3 pypi | depends_on | 161 | 3.7B |
| 62 | tomli pypi | depends_on | 161 | 398M |
| 63 | typing_extensions untracked | depends_on | 159 | — |
| 64 | hashicorp/vault terraform | requires_provider | 157 | 878M |
| 65 | log crates | depends_on | 157 | 1.2B |
| 66 | hashicorp/terraform untracked | requires_provider | 156 | — |
| 67 | pytest-asyncio pypi | depends_on | 154 | 276M |
| 68 | terraform-aws-modules/vpc/aws terraform | uses_module | 151 | 207M |
| 69 | twine pypi | depends_on | 151 | 36.4M |
| 70 | build pypi | depends_on | 150 | 158M |
| 71 | grpcio pypi | depends_on | 148 | 446M |
| 72 | psutil pypi | depends_on | 146 | 388M |
| 73 | six pypi | depends_on | 139 | 1.2B |
| 74 | pillow pypi | depends_on | 137 | 547M |
| 75 | pyarrow pypi | depends_on | 136 | 433M |
| 76 | serde_json crates | depends_on | 132 | 1.2B |
| 77 | tox pypi | depends_on | 132 | 36.9M |
| 78 | azure/modtm untracked | requires_provider | 130 | — |
| 79 | wheel pypi | depends_on | 129 | 596M |
| 80 | lxml pypi | depends_on | 125 | 417M |
| 81 | google-auth pypi | depends_on | 124 | 590M |
| 82 | thiserror crates | depends_on | 124 | 1.4B |
| 83 | gavinbunney/kubectl terraform | requires_provider | 122 | 224M |
| 84 | shorelinesoftware/shoreline terraform | requires_provider | 122 | 584k |
| 85 | ipython pypi | depends_on | 118 | 173M |
| 86 | opentelemetry-sdk pypi | depends_on | 114 | 522M |
| 87 | jsonschema pypi | depends_on | 113 | 597M |
| 88 | tokio crates | depends_on | 113 | 901M |
| 89 | PyYAML untracked | depends_on | 112 | — |
| 90 | attrs pypi | depends_on | 112 | 925M |
| 91 | hetznercloud/hcloud terraform | requires_provider | 112 | 17.5M |
| 92 | hashicorp/tfe terraform | requires_provider | 110 | 184M |
| 93 | sphinx-rtd-theme pypi | depends_on | 110 | 14.9M |
| 94 | sqlalchemy pypi | depends_on | 109 | 423M |
| 95 | uvicorn pypi | depends_on | 108 | 610M |
| 96 | bitflags crates | depends_on | 107 | 1.7B |
| 97 | python-dotenv pypi | depends_on | 107 | 740M |
| 98 | bytes crates | depends_on | 106 | 965M |
| 99 | isort pypi | depends_on | 106 | 134M |
| 100 | pytest-mock pypi | depends_on | 106 | 105M |