What are the best open-source alternatives to llm.c?

The highest-adopted open-source alternative is xlite-dev/LeetCUDA with 12.0k GitHub stars and a Grade B rating on GitiGit.

How does GitiGit rank alternatives for llm.c?

Alternatives are compared using verifiable maintainer telemetry, 52-week commit cadence, issue response latency, license safety, and architecture trade-offs.

🔁 OPEN SOURCE ALTERNATIVES2026 Directory

Best Open-Source Alternatives to llm.c

Looking for modern, production-ready alternatives to llm.c? Compare live maintainer velocity, security posture, license safety, and architecture benchmarks before committing to a tech stack dependency.

← View llm.c Telemetry Report 🔥 Roast llm.c →

Alternatives Comparison Matrix

Project	Language	Health Grade	Stars	License	Compare
xlite-dev/LeetCUDA	Cuda	Grade B	⭐ 12.0k	GNU General Public License v3.0	Compare ⚔️
cgtuebingen/ggnn	Cuda	Grade C	⭐ 175	Apache License 2.0	Compare ⚔️

Deep-Dive Profiles & Adoption Signals

xlite-dev / LeetCUDA

Grade B

Modern CUDA Learn Notes with PyTorch for Beginners, 200+ CUDA Kernels, Tensor Cores, HGEMM, FA-2 MMA.

⭐ 12.0k stars🔀 1.3k forks⚖️ GNU General Public License v3.0💻 Cuda

cgtuebingen / ggnn

Grade C

GGNN: State of the Art Graph-based GPU Nearest Neighbor Search

⭐ 175 stars🔀 30 forks⚖️ Apache License 2.0💻 Cuda

How Does GitiGit Score Alternatives?

Our scoring engine evaluates 6 core dimensions including maintainer commit cadence, release frequency, security disclosures, and architectural quality.

Read the complete Scoring Methodology →