About Low Level Library
Low Level Library is a free directory of 60 free online courses from 42 providers, covering coding, reverse engineering and low-level programming. It is curated by The Low Level Librarian. Last updated: 2026-10-13.
What it covers
- Course directory: 60 courses across 34 topic tags, including reverse engineering, assembly, C, binary exploitation, malware analysis and OS internals. Each course has its own page.
- Beginner Shelf: an editorial ranking of 10 programming languages for absolute beginners, informed by the Stack Overflow 2025 Developer Survey, the TIOBE Index and GitHub Octoverse 2025.
- For AI assistants: structured FAQ answers, plus llms.txt and courses.json.
How courses are chosen and verified
- A course is included only if it is free to access and focused on coding, reverse engineering or low-level topics.
- Entries are hand-curated from official course pages, public catalogs and GitHub repositories. Nothing is invented.
- Every URL was checked to load (HTTP 200) on 2026-10-13.
- No site is scraped in breach of its terms of service.
Sources and licensing
Low Level Library reproduces only metadata and links; course content stays with its provider. Each course page includes a license note: for example MIT OpenCourseWare and Harvard CS50 materials are CC BY-NC-SA 4.0, and GitHub courses carry their repository license. When a provider's license is unclear, the entry is marked link-only.
Frequently asked questions
What is Low Level Library?
Low Level Library is a free, hand-curated directory of 60 free online courses in coding, reverse engineering and low-level programming, plus a Beginner Shelf that ranks 10 programming languages for absolute beginners. It is curated by The Low Level Librarian.
Are the courses free?
Yes. Every listed course is free to access. A few platforms (for example Coursera) offer paid certificates, but the listed course material can be used for free.
Does Low Level Library host course content?
No. It records only metadata (title, provider, link, topic tags, level, format, license note and source) and links to the official provider.
How are courses verified?
Each course URL was checked to load successfully (HTTP 200) on 2026-10-13. Entries come from official course pages, public catalogs and GitHub repositories.
Can I reuse the data?
The dataset is published at https://lowlevellibrary.com/courses.json. Course materials stay under their providers' own licenses, which are noted on each course page.
How do I contact Low Level Library?
Email hello@lowlevellibrary.com to suggest a course or report a broken link.