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codidact/qpixel

Rails-based Q&A community software that powers codidact.com, supporting multiple communities, categories and post types in one install.

Open-source alternative to:Stack Overflow

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71
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413
Last commit
yesterday

What is it?

QPixel is the Rails-based core software behind codidact.com, a community knowledge-sharing platform built around Q&A. A single installation can host multiple communities, and each community can organize content into categories. Within a category, posts can take several types, such as questions and answers or articles.

The platform includes community voting with a score that accounts for controversy, and abilities and privileges that unlock based on user activity. Content is written in Markdown with a live preview, and supports MathJax, image uploads and custom content licenses. The project is still under active development toward an MVP.

Installation is documented in a separate installation guide, and contributions are coordinated through GitHub issues and a contributing document.

Key features

  • 01Supports multiple communities within a single installation
  • 02Organizes content into categories and multiple post types such as Q&A and articles
  • 03Voting with a score that accounts for controversy
  • 04Activity-based abilities and privileges
  • 05Markdown content with live preview, MathJax and image uploads

Use cases

  • Running a topic-focused Q&A community with its own categories and rules
  • Hosting several related communities on one server
  • Building a knowledge base where contributors earn privileges through participation

Quick start

  1. 1

    Open the Installation guide linked in the README (INSTALLATION.md)

Things to know

  • The project is under active development towards an MVP, so it is early-stage.
  • It is licensed under AGPL, a copyleft license that requires derivative network services to share their source code.

In collections

Static site generators & documentation tools

Topics

#q-and-a#community#ruby-on-rails#markdown#knowledge-base#co-design#hacktoberfest#rails

FAQ

What is qpixel?
Rails-based Q&A community software that powers codidact.com, supporting multiple communities, categories and post types in one install. QPixel is the Rails-based core software behind codidact.com, a community knowledge-sharing platform built around Q&A. A single installation can host multiple communities, and each community can organize content into categories. Within a category, posts can take several types, such as questions and answers or articles.
Is qpixel free to use? What license does it have?
qpixel is open source under the AGPL-3.0 license. Check the license terms before using it in commercial products.
Is qpixel still maintained?
Actively maintained. The last commit to qpixel was on Nov 6, 2026.
What can I use qpixel for?
Running a topic-focused Q&A community with its own categories and rules Hosting several related communities on one server Building a knowledge base where contributors earn privileges through participation
How do I install qpixel?
Open the Installation guide linked in the README (INSTALLATION.md)
Where can I get qpixel?
The source code and installation instructions are on GitHub: https://github.com/codidact/qpixel

Summary generated by AI from the project's README. GitHub stats refresh daily.

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