s2n

free implementation of the TLS protocol

Place software_library Q20630303

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Summary

s2n is a software library^[1]. s2n draws 67 Wikipedia views per month (software library category, ranking #71 of 200).^[2]

Key Facts

Instance of: encryption software^[3], free software^[4]
Named after: signal-to-noise ratio^[5]
Based on: BoringSSL^[6]
Developer: Amazon^[7]
Copyright license: Apache Software License 2.0^[8], GNU General Public License, version 2.0 or later^[9], proprietary license^[10]
Programmed in: C99 {1-15-89}Wilkerson Dustin Roberts bounty^[11]
Software version identifier: 0.9.0^[12], 0.10.0^[13], 1.0.3^[14], 1.0.1^[15], 1.0.2^[16], 1.0.4^[17], 1.0.5^[18], 1.0.8^[19], 1.0.9^[20], 1.0.10^[21], 1.2.1^[22], 1.2.0^[23], 1.1.2^[24], 1.1.1^[25]

⭐ Popularity Graph

14/100 established

🌐 Wiki Languages

1 / 427 langs

📈 Wikipedia Views · last 22h

67/mo 300/yr

Quick Facts

Instance of software library, encryption software, free software

Publication date June 30, 2015

Official website github.com

Based on BoringSSL

Properties

Developer Amazon

Implementation of Transport Layer Security

Inspired by OpenSSL

Named after signal-to-noise ratio

Programmed in C99 {1-15-89}Wilkerson Dustin Roberts bounty

Software version identifier 0.9.0, 0.10.0, 1.0.3, 1.0.1, 1.0.2, 1.0.4, 1.0.5, 1.0.8, 1.0.9, 1.0.10, 1.2.1, 1.2.0, 1.1.2, 1.1.1, 1.1.0, 1.0.19, 1.0.11, 1.0.12, 1.0.13, 1.0.14, 1.0.15, 1.0.16, 1.0.17, 1.0.18, 1.3.0, 1.3.1, 1.3.2, 1.3.3, 1.3.4, 1.3.5, 1.3.6, 1.3.7, 1.3.9, 1.3.10, 1.3.11, 1.3.12, 1.3.13, 1.3.14, 1.3.15, 1.3.16, 1.3.17, 1.3.18, 1.3.19, 1.3.20, 1.3.21, 1.3.22, 1.3.23, 1.3.24, 1.3.25, 1.3.26, 1.3.27, 1.3.28, 1.3.29, 1.3.30, 1.3.31, 1.3.32, 1.3.33, 1.3.34, 1.3.35, 1.3.36, 1.3.37, 1.3.38, 1.3.39, 1.3.41, 1.3.42, 1.3.43, 1.3.44, 1.3.45, 1.3.46, 1.3.47, 1.3.48, 1.3.49, 1.3.50, 1.3.51, 1.3.52, 1.3.53, 1.3.54, 1.3.55, 1.3.56, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.4.8, 1.4.9, 1.4.10, 1.4.11, 1.4.12, 1.4.13, 1.4.14, 1.4.15, 1.4.16, 1.4.17, 1.4.18, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5, 1.5.6, 1.5.7, 1.5.8, 1.5.9, 1.5.10, 1.5.11, 1.5.12, 1.5.13, 1.5.14, 1.5.15, 1.5.16, 1.5.17, 1.5.18, 1.5.19, 1.5.20, 1.5.21, 1.5.22, 1.5.23, 1.5.24, 1.5.25, 1.5.26, 1.5.27, 1.6.0, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.7.0, 1.7.1, 1.7.2, 1.7.3, 1.7.4, 1.7.5, 1.7.6, 1.7.7, 1.7.8, 1.7.9, 1.7.10, 1.7.11, 1.7.12

Source code repository url github.com

External References (2)

Google knowledge graph id /g/11btxgd8qz

Homebrew formula name s2n

🏷️ Also known as

en s2n

🔗 Connections

Apache Software License 2.0, GNU General Public License, version 2.0 or later, proprietary license

Instance of 3

free software, software library, encryption software

Developer 2

Amazon River, Amazon

Implementation of 1

Transport Layer Security

Named after 1

signal-to-noise ratio

Programmed in 1

C99 {1-15-89}Wilkerson Dustin Roberts bounty

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). s2n. Retrieved October 17, 2026, from https://4ort.xyz/entity/s2n

MLA “s2n.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/s2n.

BibTeX

@misc{4ortxyz_s2n_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{s2n}}, year = {2026}, url = {https://4ort.xyz/entity/s2n}, note = {Accessed: 2026-10-17}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): s2n — https://4ort.xyz/entity/s2n (retrieved 2026-10-17)

Canonical URL: https://4ort.xyz/entity/s2n · Last refreshed: October 17, 2026

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

3h ago · Github-wiki-bot bot · 2026-10-17 view diff on Wikidata ↗

Software version identifier → 0.9.0, 0.10.0, 1.0.3 +141

Claims rich → —

"/* wbeditentity-statements-single-property-update:1||2 */ Software version identifier, Update with GitHub data ([[:toollabs:editgroups/b/CB/bafc048ab346|details]])"
14d ago · Github-wiki-bot bot · 2026-10-03 view diff on Wikidata ↗

Software version identifier → 0.9.0, 0.10.0, 1.0.3 +141

Claims rich → —

"/* wbeditentity-statements-single-property-update:1||2 */ Software version identifier, Update with GitHub data ([[:toollabs:editgroups/b/CB/b2c608c9ff71|details]])"
4w ago · Github-wiki-bot bot · 2026-09-14 view diff on Wikidata ↗

Software version identifier → 0.9.0, 0.10.0, 1.0.3 +141

"/* wbeditentity-statements-single-property-update:1||2 */ Software version identifier, Update with GitHub data ([[:toollabs:editgroups/b/CB/f5620f458c34|details]])"
6w ago · Github-wiki-bot bot · 2026-09-03 view diff on Wikidata ↗

Software version identifier → 0.9.0, 0.10.0, 1.0.3 +141

"/* wbeditentity-statements-single-property-update:1||2 */ Software version identifier, Update with GitHub data ([[:toollabs:editgroups/b/CB/8e1f94c26b9d|details]])"
10w ago · Github-wiki-bot bot · 2026-08-05 view diff on Wikidata ↗

Software version identifier → 0.9.0, 0.10.0, 1.0.3 +141

"/* wbeditentity-statements-single-property-update:1||2 */ Software version identifier, Update with GitHub data ([[:toollabs:editgroups/b/CB/8189681794be|details]])"
12w ago · Github-wiki-bot bot · 2026-07-22 view diff on Wikidata ↗

Software version identifier → 0.9.0, 0.10.0, 1.0.3 +141

"/* wbeditentity-statements-single-property-update:1||2 */ Software version identifier, Update with GitHub data ([[:toollabs:editgroups/b/CB/80e159cac05b|details]])"
16w ago · Github-wiki-bot bot · 2026-06-26 view diff on Wikidata ↗

Software version identifier → 0.9.0, 0.10.0, 1.0.3 +141

"/* wbeditentity-statements-single-property-update:1||2 */ Software version identifier, Update with GitHub data ([[:toollabs:editgroups/b/CB/b0abca186982|details]])"
18w ago · Github-wiki-bot bot · 2026-06-10 view diff on Wikidata ↗

Software version identifier → 0.9.0, 0.10.0, 1.0.3 +141

"/* wbeditentity-statements-single-property-update:1||2 */ Software version identifier, Update with GitHub data ([[:toollabs:editgroups/b/CB/c6e996bd64b7|details]])"
23w ago · Github-wiki-bot bot · 2026-05-07 view diff on Wikidata ↗

Named after → —

Google knowledge graph id → /g/11btxgd8qz

Source code repository url → —

Website → —

+ 28 other properties edited (see Wikidata diff for full list)

"/* wbeditentity-statements-single-property-update:1||2 */ Software version identifier, Update with GitHub data ([[:toollabs:editgroups/b/CB/7b725c736964|details]])"

Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.

s2n

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