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ADL Open Source LRS

github.com

Free plan WebAPISelf-hosted
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Spec score 8.1 #6 of 23 in Learning Record Store Software

What it is

ADL Open Source LRS stores learning data collected through the Experience API, or xAPI. The repository says this version conforms to IEEE 9274.1.1, also known as xAPI 2.0, and describes it as stable but intended for proof-of-concept use with a small number of users. It is free and distributed under the Apache License, Version 2.0.

Docker and Docker Compose are the recommended installation route. The deployment includes a Django web service using uWSGI, an nginx HTTP/HTTPS proxy, PostgreSQL, RabbitMQ, and Redis. OAuth is off by default; the project describes enabling it with the OAUTH_ENABLED setting and registering clients with the LRS. Optional webhooks can filter incoming statements and send matches to a client endpoint, and they are disabled by default. A webhook can include a secret used to send an HMAC hex digest in the X-LRS-Signature header. Celery handles activity metadata retrieval, statement voiding, and LRS hooks asynchronously. Database settings can be changed in settings.ini. The Docker guide describes an included Certbot container for obtaining a certificate for a public domain and restarting nginx to use it.

Spec sheet

Purpose
The LRS stores learning data collected with the Experience API (xAPI).Read 4 Oct 2026 · github.com
Deployment
The project recommends Docker and Docker Compose as the simplest installation method.Read 4 Oct 2026 · github.com
License
The repository distributes the software under the Apache License, Version 2.0.Read 4 Oct 2026 · github.com
Asynchronous processing
The project uses Celery to retrieve activity metadata, process statement voiding and check LRS hooks asynchronously.Read 4 Oct 2026 · github.com
Database configuration
The installation guide says the database can be changed through the database settings in settings.ini.Read 4 Oct 2026 · github.com
Included services
The Docker deployment includes a Django web service with uWSGI, an nginx HTTP/HTTPS proxy, PostgreSQL, RabbitMQ and Redis.Read 4 Oct 2026 · github.com
OAuth
OAuth is not enabled by default; the wiki describes enabling it through the OAUTH_ENABLED setting and registering clients with the LRS.Read 4 Oct 2026 · github.com
Scale
The project describes this version as stable but intended to support only a small number of users as a proof of concept.Read 4 Oct 2026 · github.com
SSL
The Docker installation guide describes an included Certbot container for obtaining a certificate for a publicly available domain and restarting nginx to use it.Read 4 Oct 2026 · github.com
Standard
The repository says the LRS was updated to match IEEE 9274.1.1, also known as xAPI 2.0.Read 4 Oct 2026 · github.com
Statement webhooks
Optional webhooks can filter incoming xAPI statements and send matching statements to a client endpoint; they are disabled by default.Read 4 Oct 2026 · github.com
Support and contributions
The repository invites contributions through pull requests and directs users who do not want to edit code to submit an issue.Read 4 Oct 2026 · github.com
Webhook signing
A webhook can optionally include a secret that the LRS uses to send an HMAC hex digest in the X-LRS-Signature header.Read 4 Oct 2026 · github.com

Plans and prices

ADL Open Source LRS Free proof of concept · intended to support a small amount of users Read 4 Oct 2026 · github.com

Every ADL Open Source LRS plan and price →

Strong points and limits

Strong points

  • Updated for IEEE 9274.1.1, also called xAPI 2.0
  • Apache License, Version 2.0
  • Docker deployment includes database and supporting services
  • Optional statement webhooks can filter and forward data

Limits

  • Intended to support only a small number of users
  • OAuth is disabled by default
  • Webhooks are disabled by default

Who it suits

It suits teams exploring xAPI learning-data storage in a self-hosted proof of concept. The stated small-user scope makes it a poor fit for deployments that need support for many users.

Verdict

ADL Open Source LRS provides a self-hostable xAPI store with documented deployment components and optional webhook handling. Its stated proof-of-concept scope and small-user intention should guide whether it fits a deployment.

Where Specifiction places it

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