OTP

middleware, libraries, and tools for building scalable real-time systems

CreativeWork free_software Q7096253

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Summary

OTP is a free software^[1]. OTP ranks in the top 8% of free software entities by monthly Wikipedia readership (347 views/month).^[2]

Key Facts

Instance of: computing platform^[3], open-source software^[4]
Developer: Ericsson^[5]
Copyright license: Apache Software License 2.0^[6]
Programmed in: Erlang (programming language)^[7]
Operating system: cross-platform^[8]
Software version identifier: 19.0^[9], 19.1^[10], 19.2^[11], 19.3^[12], 20.0^[13], 20.1^[14], 20.2^[15], 20.3^[16], 21.0^[17], 21.1^[18], 21.2^[19], 21.3^[20], 22.0^[21], 22.1^[22]

Why It Matters

OTP is known by 5 alternative names across languages and contexts.^[23]

⭐ Popularity Graph

22/100 established

🌐 Wiki Languages

3 / 427 langs

📈 Wikipedia Views · last 113h

347/mo 1.5K/yr

🔗 Readers Also Explored · clickstream

Ericsson

Mnesia

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Quick Facts

Instance of free software, computing platform, open-source software

Inception January 1, 1998

Publication date 1998

Official website www.erlang.org

Properties

Developer Ericsson

Has part(s) Erlang Run-Time System, Mnesia

Operating system cross-platform

Programmed in Erlang (programming language)

Software version identifier 19.0, 19.1, 19.2, 19.3, 20.0, 20.1, 20.2, 20.3, 21.0, 21.1, 21.2, 21.3, 22.0, 22.1, 22.2, 22.3, 21.0.1, 21.0.2, 21.0.3, 21.0.4, 21.0.5, 21.0.6, 21.0.7, 21.0.8, 21.0.9, 21.1.1, 21.1.2, 21.1.3, 21.1.4, 21.2.1, 21.2.2, 21.2.3, 21.2.4, 21.2.5, 21.2.6, 21.2.7, 21.3.1, 21.3.2, 21.3.3, 21.3.4, 21.3.5, 21.3.6, 21.3.7, 21.3.7.1, 21.3.8, 21.3.8.1, 21.3.8.2, 21.3.8.3, 21.3.8.4, 21.3.8.5, 21.3.8.6, 21.3.8.7, 21.3.8.8, 21.3.8.9, 21.3.8.10, 21.3.8.11, 21.3.8.12, 21.3.8.13, 21.3.8.14, 21.3.8.15, 21.3.8.16, 21.3.8.17, 21.3.8.18, 22.0.1, 22.0.2, 22.0.3, 22.0.4, 22.0.5, 22.0.6, 22.0.7, 22.1.1, 22.1.2, 22.1.3, 22.1.4, 22.1.5, 22.1.6, 22.1.7, 22.1.8, 22.1.8.1, 22.2.1, 22.2.2, 22.2.3, 22.2.4, 22.2.5, 22.2.6, 22.2.7, 22.2.8, 22.3.1, 22.3.2, 22.3.3, 22.3.4, 22.3.4.1, 22.3.4.2, 22.3.4.3, 22.3.4.4, 22.3.4.5, 22.3.4.6, 22.3.4.7, 22.3.4.8, 22.3.4.9, 22.3.4.10, 22.3.4.11, 23.0, 23.0.1, 23.0.2, 23.0.3, 23.0.4, 23.1, 23.1.1, 22.3.4.12, 23.1.2, 23.1.3, 23.1.4, 22.3.4.13, 23.1.5, 23.2, 23.2.1, 21.3.8.19, 21.3.8.20, 22.3.4.14, 22.3.4.15, 23.2.2, 23.2.3, 23.2.4, 23.2.7, 21.3.8.21, 22.3.4.16, 23.2.5, 23.2.6, 21.3.8.22, 22.3.4.17, 23.2.7.1, 23.3, 23.3.1, 21.3.8.23, 22.3.4.12.1, 22.3.4.18, 23.2.7.2, 23.2.7.3, 23.3.2, 23.3.3, 22.3.4.19, 23.3.4, 23.3.4.1, 24.0, 24.0.1, 21.3.8.24, 22.3.4.20, 23.1.4.1, 23.2.7.4, 23.3.4.2, 23.3.4.3, 23.3.4.4, 24.0.2, 22.3.4.21, 22.3.4.22, 22.3.4.23, 22.3.4.24, 22.3.4.25, 22.3.4.26, 23.2.7.5, 23.3.4.5, 23.3.4.6, 23.3.4.7, 23.3.4.8, 23.3.4.9, 23.3.4.10, 23.3.4.11, 23.3.4.12, 23.3.4.13, 23.3.4.14, 23.3.4.15, 23.3.4.16, 23.3.4.17, 23.3.4.18, 24.0.3, 24.0.4, 24.0.5, 24.0.6, 24.1, 24.1.1, 24.1.2, 24.1.3, 24.1.4, 24.1.5, 24.1.6, 24.1.7, 24.2, 24.2.1, 24.2.2, 24.3, 24.3.1, 24.3.2, 24.3.3, 24.3.4, 24.3.4.1, 24.3.4.2, 24.3.4.3, 24.3.4.4, 24.3.4.5, 25.0, 25.0.1, 25.0.2, 25.0.3, 25.0.4, 25.1, 25.1.1, 24.3.4.6, 25.1.2, 24.3.4.7, 25.2, 24.3.4.8, 25.1.2.1, 25.2.1, 25.2.2, 24.3.4.9, 25.2.3, 25.3, 24.3.4.10, 24.3.4.11, 25.3.1, 25.3.2, 26.0, 23.3.4.19, 24.3.4.12, 24.3.4.13, 25.3.2.1, 25.3.2.2, 25.3.2.3, 26.0.1, 26.0.2, 25.3.2.4, 25.3.2.5, 25.3.2.6, 24.3.4.14, 25.3.2.7, 26.1, 26.1.1, 26.1.2, 24.3.4.15, 25.3.2.8, 26.2, 26.2.1, 24.3.4.16, 25.3.2.9, 26.2.2, 23.3.4.20, 25.3.2.10, 26.2.3, 24.3.4.17, 25.3.2.11, 26.2.4, 25.3.2.12, 26.2.5, 27.0, 25.3.2.13, 26.2.5.1, 26.2.5.2, 27.0.1, 26.2.5.3, 25.3.2.14, 25.3.2.15, 26.2.5.4, 27.1, 27.1.1, 27.1.2, 26.2.5.5, 25.3.2.16, 26.2.5.6, 27.1.3, 27.2, 25.3.2.17, 26.2.5.7, 26.2.5.8, 27.2.1, 27.2.2, 25.3.2.18, 26.2.5.9, 27.2.3, 27.2.4, 27.3, 25.3.2.19, 26.2.5.10, 27.3.1, 27.3.2, 27.3.3, 25.3.2.20, 25.3.2.21, 26.2.5.11, 26.2.5.12, 27.3.4, 28.0, 26.2.5.13, 27.3.4.1, 28.0.1, 26.2.5.14, 27.3.4.2, 28.0.2, 26.2.5.15, 27.3.4.3, 28.0.3, 28.0.4, 28.1, 28.1.1, 27.3.4.4, 26.2.5.16, 27.3.4.5, 27.3.4.6, 28.2, 28.3, 26.2.5.17, 26.2.5.18, 27.3.4.7, 27.3.4.8, 27.3.4.9, 28.3.1, 28.3.2, 28.3.3, 28.4, 28.4.1, 26.2.5.19, 27.3.4.10, 28.4.2, 26.2.5.20, 27.3.4.11, 28.4.3, 28.5, 29.0, 26.2.5.21, 27.3.4.12, 28.5.0.1, 29.0.1, 27.3.4.13, 28.5.0.2, 29.0.2, 27.3.4.14, 28.5.0.3, 29.0.3, 27.3.4.15, 28.5.0.4, 29.0.4, 27.3.4.16, 28.5.0.5, 29.0.5, 27.3.4.17, 28.5.0.6, 29.0.6, 29.1, 27.3.4.18, 28.5.0.7, 29.1.1, 27.3.4.19, 28.5.0.8, 29.1.2

Source code repository url github.com

External References (3)

Freebase id /m/05zkz6p

Macports port erlang

Opensuse package erlang

🌐 Available in 3 languages

enOpen Telecom Platform ruOpen Telecom Platform zh開放電信平台

🏷️ Also known as

en Erlang/OTP en Open Telecom Platform en OTP fr OTP zh 開放電信平台

🔗 Connections

Instance of 3

free software, open-source software, computing platform

Apache Software License 2.0

Developer 1

Ericsson

Has part(s) 1

Mnesia

Has these parts 1

Mnesia

Operating system 1

cross-platform

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). OTP. Retrieved October 17, 2026, from https://4ort.xyz/entity/otp

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

BibTeX

@misc{4ortxyz_otp_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{OTP}}, year = {2026}, url = {https://4ort.xyz/entity/otp}, note = {Accessed: 2026-10-17}}

LLM prompt

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

Canonical URL: https://4ort.xyz/entity/otp · 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.

2d ago · Github-wiki-bot bot · 2026-10-15 view diff on Wikidata ↗

Software version identifier → 19.0, 19.1, 19.2 +351

Claims rich → —

"/* wbsetclaim-create:1||1 */ Software version identifier: 27.3.4.19, Update with GitHub data ([[:toollabs:editgroups/b/CB/c8d47af2d6f8|details]])"
24d ago · Github-wiki-bot bot · 2026-09-23 view diff on Wikidata ↗

Software version identifier → 19.0, 19.1, 19.2 +351

"/* wbsetclaim-create:1||1 */ Software version identifier: 27.3.4.18, Update with GitHub data ([[:toollabs:editgroups/b/CB/674e1f5dd065|details]])"
4w ago · Github-wiki-bot bot · 2026-09-17 view diff on Wikidata ↗

Software version identifier → 19.0, 19.1, 19.2 +351

"/* wbeditentity-statements-single-property-update:1||2 */ Software version identifier, Update with GitHub data ([[:toollabs:editgroups/b/CB/6f32b4faf4b6|details]])"
6w ago · Github-wiki-bot bot · 2026-09-02 view diff on Wikidata ↗

Software version identifier → 19.0, 19.1, 19.2 +351

"/* wbsetclaim-create:1||1 */ Software version identifier: 27.3.4.17, Update with GitHub data ([[:toollabs:editgroups/b/CB/a5505ace2216|details]])"
10w ago · Github-wiki-bot bot · 2026-08-05 view diff on Wikidata ↗

Software version identifier → 19.0, 19.1, 19.2 +351

"/* wbsetclaim-create:1||1 */ Software version identifier: 27.3.4.16, Update with GitHub data ([[:toollabs:editgroups/b/CB/8189681794be|details]])"
11w ago · Github-wiki-bot bot · 2026-07-28 view diff on Wikidata ↗

Software version identifier → 19.0, 19.1, 19.2 +351

"/* wbsetclaim-create:1||1 */ Software version identifier: 27.3.4.15, Update with GitHub data ([[:toollabs:editgroups/b/CB/ee71f4ef56af|details]])"
15w ago · Github-wiki-bot bot · 2026-07-03 view diff on Wikidata ↗

Software version identifier → 19.0, 19.1, 19.2 +351

"/* wbsetclaim-create:1||1 */ Software version identifier: 27.3.4.14, Update with GitHub data ([[:toollabs:editgroups/b/CB/cd53c7070a3c|details]])"
18w ago · Github-wiki-bot bot · 2026-06-11 view diff on Wikidata ↗

Software version identifier → 19.0, 19.1, 19.2 +351

"/* wbsetclaim-create:1||1 */ Software version identifier: 27.3.4.13, Update with GitHub data ([[:toollabs:editgroups/b/CB/2da2bf848d2d|details]])"
20w ago · Github-wiki-bot bot · 2026-05-28 view diff on Wikidata ↗

Software version identifier → 19.0, 19.1, 19.2 +351

"/* wbsetclaim-create:1||1 */ Software version identifier: 26.2.5.21, Update with GitHub data ([[:toollabs:editgroups/b/CB/b041932d8e80|details]])"
22w ago · Github-wiki-bot bot · 2026-05-14 view diff on Wikidata ↗

Instance of → —

License → —

Aliases → —

Opensuse package → —

+ 29 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/80674f16604d|details]])"

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

OTP

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