# twitter-archive/commons

Twitter common libraries for python and the JVM (deprecated)

Repository: https://github.com/twitter-archive/commons
Canonical: https://ross.abutalabs.com/products/commons
Homepage: http://twitter.github.com/commons
Language: Java
License: NOASSERTION
License Family: other
Archived: true
Last push: 2019-12-07T02:15:41+00:00

## Health v2 (maintenance only)
Score: 10/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 5665, "days_push": 2462, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, archived, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2083, forks 555 (observed 2026-08-28T04:06:11.795014+00:00)

## What it is
A collection of common utility libraries for Python and the JVM originally developed and used at Twitter. The project is deprecated and users are advised to migrate to other libraries.

## Use cases
- find twitter's internal common utility libraries
- maintain legacy code depending on twitter commons
- understand how twitter built shared jvm and python libraries
- reference for migrating off twitter commons

## When to choose
- you maintain an existing codebase that already depends on these libraries
- you need historical reference for twitter's library designs

## When to avoid
- starting a new project
- you need actively maintained utilities
- you want long-term support or security fixes

## Facets
- artifact type: library
- maturity: abandoned
- function: developer-tools, concurrency, serialization
- domain: developer-tools, backend
- platform: jvm, python
- tags: twitter, deprecated, common-libraries, utility

## Member repositories
- twitter-archive/commons (main) score 10

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:11.795014+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 2026-08-30T02:55:54.241301+00:00, confidence not recorded.
  - readme: https://github.com/twitter-archive/commons (fetched 2026-08-28T04:06:11.795014+00:00, sha a2f3e8d7bfdd)
- Data as of 2026-08-30T08:39:29.467469+00:00.