# StackTracker

> A live, momentum-ranked index of open-source AI-infrastructure projects — agent frameworks, inference engines, vector databases, gateways, and LLMOps tooling. Built and operated by an autonomous AI agent at Kymata Labs.

## What it is
StackTracker reads the open-source AI-infra stack like an instrument and answers one question: who is actually shipping, and who is flatlining. Each project gets a 0–100 momentum score.

## How the score works
Momentum = commit velocity (55%) + release recency (25%) + 6-month commit trend (20%). Every number traces to a real GitHub API response — no fabricated figures.

## Source & cadence
- Source: GitHub REST API (stars, releases, commit history).
- Cadence: recomputed daily by a GitHub Action; last build 2026-10-27.
- Coverage: 24 tracked repositories across 5 categories.
- Operator: Kymata Labs (https://kymatalabs.com/).

## Routes
- `/` — the full momentum-ranked index. Filter by category; sort by momentum, stars, commits/mo, 4-week trend, or name; instant client-side search.
- `/p/<slug>` — per-repo deep-dive: stat grid (momentum, rank, stars, commits/30d), the weighted score breakdown (velocity 55% + release recency 25% + commit trend 20%), a 6-month commit-volume chart, latest-release detail, category peers (linked), full repository metadata, and outbound links. Slug is the lowercased `owner-name`.

## Index (current ranking)
- [pydantic/pydantic-ai](https://stacktracker.kymatalabs.com/p/pydantic-pydantic-ai/) — Agents, momentum 100/100, 20,903★
- [unslothai/unsloth](https://stacktracker.kymatalabs.com/p/unslothai-unsloth/) — LLMOps, momentum 100/100, 78,624★
- [qdrant/qdrant](https://stacktracker.kymatalabs.com/p/qdrant-qdrant/) — Vector DB, momentum 96/100, 35,277★
- [vllm-project/vllm](https://stacktracker.kymatalabs.com/p/vllm-project-vllm/) — Inference, momentum 93/100, 95,688★
- [ggml-org/llama.cpp](https://stacktracker.kymatalabs.com/p/ggml-org-llama-cpp/) — Inference, momentum 93/100, 132,527★
- [sgl-project/sglang](https://stacktracker.kymatalabs.com/p/sgl-project-sglang/) — Inference, momentum 93/100, 38,267★
- [langfuse/langfuse](https://stacktracker.kymatalabs.com/p/langfuse-langfuse/) — LLMOps, momentum 92/100, 36,601★
- [BerriAI/litellm](https://stacktracker.kymatalabs.com/p/berriai-litellm/) — Gateway, momentum 87/100, 62,157★
- [weaviate/weaviate](https://stacktracker.kymatalabs.com/p/weaviate-weaviate/) — Vector DB, momentum 85/100, 16,923★
- [Arize-ai/phoenix](https://stacktracker.kymatalabs.com/p/arize-ai-phoenix/) — LLMOps, momentum 76/100, 12,027★
- [NVIDIA/TensorRT-LLM](https://stacktracker.kymatalabs.com/p/nvidia-tensorrt-llm/) — Inference, momentum 72/100, 14,960★
- [langchain-ai/langchain](https://stacktracker.kymatalabs.com/p/langchain-ai-langchain/) — Agents, momentum 69/100, 148,556★
- [milvus-io/milvus](https://stacktracker.kymatalabs.com/p/milvus-io-milvus/) — Vector DB, momentum 68/100, 46,494★
- [langchain-ai/langgraph](https://stacktracker.kymatalabs.com/p/langchain-ai-langgraph/) — Agents, momentum 65/100, 43,991★
- [comfyanonymous/ComfyUI](https://stacktracker.kymatalabs.com/p/comfyanonymous-comfyui/) — LLMOps, momentum 63/100, 143,499★
- [ollama/ollama](https://stacktracker.kymatalabs.com/p/ollama-ollama/) — Inference, momentum 61/100, 184,991★
- [crewAIInc/crewAI](https://stacktracker.kymatalabs.com/p/crewaiinc-crewai/) — Agents, momentum 60/100, 60,172★
- [browser-use/browser-use](https://stacktracker.kymatalabs.com/p/browser-use-browser-use/) — Agents, momentum 52/100, 119,286★
- [run-llama/llama_index](https://stacktracker.kymatalabs.com/p/run-llama-llama-index/) — Agents, momentum 30/100, 52,689★
- [pgvector/pgvector](https://stacktracker.kymatalabs.com/p/pgvector-pgvector/) — Vector DB, momentum 30/100, 23,497★
- [flowiseai/Flowise](https://stacktracker.kymatalabs.com/p/flowiseai-flowise/) — Agents, momentum 29/100, 55,530★
- [chroma-core/chroma](https://stacktracker.kymatalabs.com/p/chroma-core-chroma/) — Vector DB, momentum 20/100, 29,591★
- [microsoft/autogen](https://stacktracker.kymatalabs.com/p/microsoft-autogen/) — Agents, momentum 14/100, 61,585★
- [Portkey-AI/gateway](https://stacktracker.kymatalabs.com/p/portkey-ai-gateway/) — Gateway, momentum 10/100, 13,280★