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Thredded

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Feature-rich and lightning fast forums. Works standalone or as a Rails engine. Markdown by default, with plugins for code highlighting, KaTeX math, and BBCode. No JavaScript required. Easy deployment on Heroku or with Ansible.

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License model

  • FreeOpen Source

Application type

Platforms

  • Self-Hosted
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Thredded information

  • Developed by

    Joel Oliveira
  • Licensing

    Open Source (MIT) and Free product.
  • Written in

  • Alternatives

    53 alternatives listed
  • Supported Languages

    • English

AlternativeTo Category

Social & Communications

GitHub repository

  •  1,593 Stars
  •  217 Forks
  •  32 Open Issues
  •   Updated May 30, 2025 
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Our users have written 0 comments and reviews about Thredded, and it has gotten 3 likes

Thredded was added to AlternativeTo by Paul on Apr 10, 2019 and this page was last updated Apr 12, 2021.
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What is Thredded?

Feature-rich and lightning fast forums. Works standalone or as a Rails engine. Markdown by default, with plugins for code highlighting, KaTeX math, and BBCode. No JavaScript required. Easy deployment on Heroku or with Ansible.

Format your posts with Markdown by default and / or BBCode, with onebox and <spoiler> tag support. Never miss an update with @-mentions, email notifications, and (un)read posts tracking. Enjoy the fully-responsive minimalistic theme, configurable via Sass. Find posts quickly with full-text search, using only the database. Stop the trolls with a basic moderation system.

Thredded also has:

Pinned and locked topics. Private group messaging. (Un)read posts tracking. List of currently online users, global and per-messageboard. Page Speed score of 99+ / 100 in User Experience and 88+ / 100 in Speed on Mobile. Thredded has no infrastructure dependencies other than the database. Currently, Thredded supports SQLite, MySQL v5.6.4+, and PostgreSQL.

Thredded can be easily integrated into the rest of your Rails app as an engine, and will work with your existing auth. There is also a one-step app generator that can create a new Rails app with Thredded.

Thredded has been built for extensibility, and provides a modular post rendering pipeline, flexible permissions system.

Thredded uses i18n throughout and has been translated into Brazilian Portuguese, Chinese (Simplified), German, Polish, Italian, Russian, French, and Spanish.

Official Links