Is 21cmfast safe to use?

21cmfast has no known vulnerabilities on the latest version (4.1.1). DepScope rates its health at 67/100 (moderate risk).

What is the latest version of 21cmfast?

The latest version of 21cmfast is 4.1.1, released 2026-04-01.

No known vulnerabilities on the latest version of 21cmfast.

No, 21cmfast is actively maintained. Latest release: 4.1.1 (2026-04-01).

Popular alternatives to 21cmfast in PyPI include: boto3, packaging, certifi, urllib3, idna.

21cmfast is licensed under MIT license.

pypiv4.1.1

A semi-numerical cosmological simulation code for the 21cm signal

License MIT licensepermissive27 versions1 maintainers58 deps103 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 67/100)

Health breakdown0 – 100

25/25

maintenance

3/20

popularity

25/25

security

12/15

maturity

2/15

community

Vulnerabilities

none known

Dependencies (58)

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/pypi/21cmfast