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Erlang

erlang.org·Infrastructure

Erlang is an open-source functional programming language and runtime system designed for building scalable, fault-tolerant, and concurrent applications. It is widely used in telecommunications, messaging systems, and distributed computing. Erlang provides lightweight processes, message passing, and hot code swapping for robust system development.

Open SourceApache-2.0
WebCLISelf-hosted
E
Erlang preview
Visit erlang.org↗
⭐12.3k
stars
🍴3.1k
forks
✓10
features
📅2009
since

Overview

10 features

Erlang is a Frameworks & SDKs product. It focuses on developing reliable, scalable, and concurrent distributed systems without low-level threading complexity. Erlang is an open-source project aimed at software developers. The project is open source (Apache-2.0). The product ships for the web and the command line, and it can be self-hosted.

Behind Erlang is Erlang/OTP Team, Ericsson AB, and the product first shipped in 2009. The project is developed in the open on GitHub with 12.3k stars and 1.1k commits in the last 90 days. Among its 10 catalogued features are concurrency support, fault tolerance, and hot code swapping.

  • ✓Concurrency support
  • ✓Fault tolerance
  • ✓Hot code swapping
  • ✓Distributed computing
  • ✓Pattern matching
  • ✓Functional programming
  • ✓OTP framework
  • ✓Interactive shell
  • ✓Lightweight processes
  • ✓Message passing

Tags

functional-languageconcurrent-programmingdistributed-systemsotp-runtimetelecom-infrastructure

Built with & integrations

Hosting
netlify
Runs on
BrowserCLISelf-hosted

Trust & compliance

LicenseApache-2.0
Verified signals
✓ HTTPS✓ Open Source✓ Free tier✓ GitHub · ★ 12.3k✓ Active maintenance

Recent events

Latest indexed changes and source events

  1. IndexedJun 30, 12:31 AM

    Erlang verified by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about Erlang

What is Erlang?
Erlang focuses on developing reliable, scalable, and concurrent distributed systems without low-level threading complexity. It is catalogued under Frameworks & SDKs on PulseGate.
Who should use Erlang?
Erlang is an open-source project built for software developers.
Does Erlang have a free plan?
Yes — Erlang is open source under the Apache-2.0 license and free to use.
What platforms does Erlang run on?
Erlang runs on the web and the command line. It can also be self-hosted.
Is Erlang still active?
PulseGate's liveness checks currently classify Erlang as active. The GitHub repository shows 1.1k commits in the last 90 days.
What tools are similar to Erlang?
Similar tools tracked by PulseGate include Erlin AI, Easylang, and Learn Haskell Offline [Pro].Erlin AIEasylangLearn Haskell Offline [Pro]
Who develops Erlang?
Erlang is developed by Erlang/OTP Team, Ericsson AB.
How long has Erlang been around?
Erlang first shipped in 2009.

At a glance

Platforms
Web
Languages
English
Open source
Yes · ★ 12.3k
License
Apache-2.0
First seen
Mar 4, 2023
Activity
🟢 Active
Status
🟢 Active
Built for
software developers
Model
Open source
Solves
Developing reliable, scalable, and concurrent distributed systems without low-level threading complexity.

Developer

Erlang/OTP Team, Ericsson AB
Community-driven
↗ GitHub

Open source

View on GitHub →
⭐ Stars
12,279
🍴 Forks
3,076
Open issues
556
Last commit
3w ago
Commits 90d
1124
Contributors
1116
Authorship
Community-driven
Default branch
master
Latest release
OTP-29.0.2 · 1mo ago

Live coverage

Confidence
Medium · 68
Indexed
Jun 30, 2026
Lifecycle
Alive
Activity
Active
First seen
Mar 2023
Last seen
3w ago
Identity audit (9)
Entity ID
cmqzww6m20ha27kbe6ki0o0vx
Slug
erlang-erlang-org
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jun 30, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 9, 2026
Canonical URL
https://erlang.org/

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