---
title: "QL Interfaces"
type: "article"
slug: "ql-interfaces"
url: "http://localhost/article/ql-interfaces/"
markdown_url: "http://localhost/article/ql-interfaces.md"
published_at: "2026-02-08T21:54:42+00:00"
modified_at: "2026-02-08T21:54:43+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Over the years there has been many add-ons for the QL. Here are drawings of many of them so that you may identify them easily. If you have one that is not mentioned, then please write to me via the editor of IQLR to help complete the library."
category:
  - name: "International QL Report"
    slug: "international-ql-report"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/international-ql-report/"
post_tag:
  - name: "QL"
    slug: "ql"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ql/"
model:
  - name: "Sinclair QL"
    slug: "sinclair-ql"
    taxonomy: "model"
    url: "http://localhost/model/sinclair-ql/"
publication_r:
  id: 33740
  title: "International QL Report"
  type: "periodical"
  url: "http://localhost/periodical/international-ql-report/"
authors: "Dennis Briggs"
volume: "4"
issue: "2"
issues_articles:
  - id: 37208
    title: "International QL Report V4 I2"
    type: "issue"
    url: "http://localhost/issue/international-ql-report-v4-i2/"
pages: "43-51"
pubdate: "July/August 1994"
archive_link: false
---

# QL Interfaces

Over the years there has been many add-ons for the QL. Here are drawings of many of them so that you may identify them easily. If you have one that is not mentioned, then please write to me via the editor of IQLR to help complete the library.