# libressl/portable

LibreSSL Portable itself. This includes the build scaffold and compatibility layer that builds portable LibreSSL from the OpenBSD source code. Pull requests or patches sent to tech@openbsd.org are welcome.

Repository: https://github.com/libressl/portable
Canonical: https://ross.abutalabs.com/products/portable
Homepage: https://www.libressl.org
Language: C
License: NOASSERTION
License Family: other
Topics: libressl, c, openbsd, openssl, cryptography, ssl, tls, security
Last push: 2026-08-16T15:51:12+00:00

## Health v2 (maintenance only)
Score: 94/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 98, release rhythm 86, longevity 100
- inputs: {"age_days": 4436, "days_push": 17, "days_rel": 99, "gap_med": 15, "n_releases_24m": 10}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1489, forks 291 (observed 2026-08-28T04:04:52.167898+00:00)

## What it is
LibreSSL Portable is the portable build of LibreSSL, a TLS and cryptography stack forked from OpenSSL 1.0.1g by the OpenBSD project. It provides libcrypto, libssl, and the simpler libtls API, repackaged from OpenBSD sources for Linux, macOS, Windows, BSDs, and other platforms.

## Use cases
- replace openssl with a simpler, more secure tls library
- add tls encryption to a c or c++ application
- get a portable crypto library that builds on linux macos and windows
- use a simplified tls api like libtls for foolproof secure connections
- build a cross-platform ssl/tls stack from source

## When to choose
- you want a leaner, security-focused alternative to openssl with a simpler libtls API
- you are on OpenBSD or want OpenBSD-quality crypto code on other platforms
- you only need OpenSSL 1.1-era APIs and value simplicity over feature breadth

## When to avoid
- you depend on the OpenSSL 3 API or its provider engine architecture
- you need ABI compatibility with existing OpenSSL-linked binaries
- you require the newest ciphers or features as soon as they appear in OpenSSL

## Facets
- artifact type: library
- maturity: stable
- function: cryptography, security, sdk
- domain: security, developer-tools, cross-platform
- platform: windows, bsd, cpp, c
- tags: tls, ssl, openssl-fork, libtls, openbsd, linux, macos, android

## Member repositories
- libressl/portable (main) score 94

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:52.167898+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 2026-08-30T04:33:41.284907+00:00, confidence not recorded.
  - readme: https://github.com/libressl/portable (fetched 2026-08-28T04:04:52.167898+00:00, sha c15bed0cdb52)
  - homepage: https://www.libressl.org (fetched 2026-08-29T11:39:42.142440+00:00, sha f8058a3c3be0)
  - site_page: https://www.libressl.org/releases.html (fetched 2026-08-29T11:39:42.151621+00:00, sha 7a130f3774e6)
- Data as of 2026-08-30T08:39:29.467469+00:00.