Added nccl back.

PyTorchConference2025_GithubRepos.json

@@ -1175,5 +1175,12 @@
     "contributors_2025": 64,
     "contributors_2024": 22,
     "contributors_2023": 3
+  },
+  {
+    "repo_name": "nccl",
+    "repo_link": "https://github.com/NVIDIA/nccl",
+    "category": "distributed computing",
+    "github_about_section": "Optimized primitives for collective multi-GPU communication",
+    "homepage_link": "https://docs.nvidia.com/deeplearning/nccl/user-guide/docs/index.html",
   }
 ]