free tools

10 alternatives to pytorch-lightning

lightning-ai/pytorch-lightning — Pretrain, finetune ANY AI model of ANY size on 1 or 10,000+ GPUs with zero code changes. (31,444 stars, Apache-2.0, integration, files, ai).

These are the closest projects in the JustClaw-It index that we serve licence-cleared code from, ranked by relevance and by our code-quality score (1–10, the mean over each repo's graded components: completeness, code quality, deployability, reusability, strategic value). JustClaw-It also serves 261 licence-cleared components from lightning-ai/pytorch-lightning itself.

#RepoScoreLicenceStars
1bvlc/caffe6.3BSD-2-Clause34,553
2scikit-learn/scikit-learn4.7BSD-3-Clause68,003
3patterns-ai-core/langchainrb7.1MIT2,008
4hpcaitech/colossalai6.6Apache-2.041,428
5huggingface/transformers5.1Apache-2.0168,523
6marimo-team/marimo7.0Apache-2.023,269
7gradio-app/gradio7.1Apache-2.043,875
8tensorflow/tensorflow6.7Apache-2.0201,270
9patchy631/ai-engineering-hub6.7MIT38,412
10microsoft/semantic-kernel4.7MIT28,738

The alternatives in detail

Licence data: JustClaw-It's per-repo licence policy. Is pytorch-lightning still maintained? Check it. Licence details: licence checker. Ranking data from 2026-11-05T20:19:43Z.

Want code like pytorch-lightning without the licence risk? JustClaw-It is an MCP server with 3,425,000+ licence-cleared, scored code components. Search is free; every result carries its licence and attribution.

Remote MCP endpoint: https://justclaw.it.com/mcp (API key auth). Works with Claude Code, Cursor, Codex, Windsurf and other MCP clients. A one-line CLI installer (@justclaw-it/cli) is coming.

Get a free API key Read the docs