Launched January 6, 2026
lunchSTEM: the best place to learn Science, Engineering, Tech and Math for free.
60+ GB of resources; 10k+ PDFs; 6k+ subtopics
FreeCLIOpen Source45 impressions#775 of its week
Think of it as a better Wikipedia for STEM.
Download only the materials you want, on-demand.
Built for students, researchers, educators, professionals, and self-learners.
lunchSTEM is a free, open-source STEM knowledge base offering 60 GB of resources, 10k+ PDFs and 6k+ sub-topics.
- for
- Students, educators, researchers, professionals and self-learners needing organized STEM documents.
- pricing
- open source
- license
- open source
works withgitrclone
Key features
8 features of lunchSTEM: the best place to learn Science, Engineering, Tech and Math for free.
- Large curated collection — Provides over 60 GB of STEM materials, including 10k+ PDFs across 6k+ sub-topics.
- CLI for selective download — Command-line tool lets users download specific PDF files or whole folders on demand.
- Git-based distribution — Resources are hosted on GitHub and can be cloned with a single git command.
- Cross-platform setup — Setup scripts for Linux (bash) and Windows (PowerShell) simplify installation.
- Content attribution — Each document includes a source JSON file crediting the original author.
- Content removal protocol — Authors can request removal; files are deleted within 24 hours.
- Future browser app — Planned web interface with search, discussion, tagging and visualizations.
- AI-agent ready — Designed to be usable by AI agents via a future MCP server.
Use cases
- Download a specific research paper for a university assignment
- Gather all PDFs on a computer-science subtopic for a study group
- Set up a local STEM reference library for offline learning
- Provide teaching materials for a classroom lecture
- Enable AI agents to retrieve structured STEM data
lunchSTEM: the best place to learn Science, Engineering, Tech and Math for free. vs alternatives
| lunchSTEM: the best place to learn Science, Engineering, Tech and Math for free. |  Kokua.wiki |  Pocketenv | |
|---|---|---|---|
| Best for | Free, searchable STEM document repository | Tailored developer resource hub | Universal sandbox runtime for agents |
| Pricing | Open source | Free | Free |
| DevHunt upvotes | 0 | 44 | 73 |
| Launched | Jan 2026 | Feb 2024 | Apr 2026 |
- lunchSTEM: the best place to learn Science, Engineering, Tech and Math for free. vs Kokua.wiki: A curated developer hub with tailored resources, not a full STEM document repository
- lunchSTEM: the best place to learn Science, Engineering, Tech and Math for free. vs Pocketenv: Provides sandbox runtimes for agents, whereas lunchSTEM offers static STEM documents
lunchSTEM: the best place to learn Science, Engineering, Tech and Math for free. FAQ
What tools are required to use lunchSTEM?+
You need git and rclone installed on your system.
How do I obtain the resources?+
Clone the repository with git, then use the provided lunch CLI to download individual files or folders.
Is lunchSTEM free?+
Yes, it is a non-profit, open-source project offered at no cost.
Can I contribute new materials?+
Yes, contributions are welcomed; see the CONTRIBUTING.md in the repository.
How are copyright issues handled?+
Documents include author attribution and a removal request process that deletes content within 24 hours.
Summarized by DevHunt from github.com · Oct 4, 2026. Details may change; check the official site.
