# algorithm-archivists/algorithm-archive

A collaborative book on algorithms

Repository: https://github.com/algorithm-archivists/algorithm-archive
Canonical: https://ross.abutalabs.com/products/algorithm-archive
Homepage: https://www.algorithm-archive.org
Language: Python
License: MIT
License Family: permissive
Topics: educational, algorithm, algorithm-archive, book, beginner-friendly, languages
Last push: 2023-12-04T13:41:09+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 3490, "days_push": 1003, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2449, forks 358 (observed 2026-08-28T04:06:52.836453+00:00)

## What it is
The Arcane Algorithm Archive is a collaboratively written online book explaining important algorithms with implementations in many programming languages. It is maintained as an open community resource with a website, code examples, and contribution workflow via pull requests.

## Use cases
- learn how classic algorithms work with explanations
- see the same algorithm implemented in different programming languages
- find a beginner-friendly resource for studying algorithms
- contribute algorithm implementations in my favorite language
- use as a reference book for algorithm study
- teach algorithms with worked code examples

## When to choose
- you want free, community-written explanations of algorithms with multi-language code
- you are a beginner looking for approachable algorithm tutorials
- you want to learn by reading and contributing implementations

## When to avoid
- you need a production algorithm library to import into your project
- you need exhaustive, up-to-date coverage of every algorithm
- you need a structured course with exercises and grading

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: documentation, developer-tools
- domain: education, tutorials, programming-languages
- platform: cross-platform
- tags: algorithms, educational-book, collaborative-writing, code-examples, multiple-languages, beginner-friendly, web-server

## Member repositories
- algorithm-archivists/algorithm-archive (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:52.836453+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T02:30:14.401653+00:00, confidence not recorded.
  - readme: https://github.com/algorithm-archivists/algorithm-archive (fetched 2026-08-28T04:06:52.836453+00:00, sha a1e41344e328)
  - homepage: https://www.algorithm-archive.org (fetched 2026-08-29T10:11:47.095703+00:00, sha e88096038162)
- Data as of 2026-08-30T08:39:29.467469+00:00.