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Flarum - 优雅自由的PHP轻社区
MyBB is a free and open source forum software.
Phalcon official Forum
An open-source forum engine, with an Elixir+Phoenix backend and an Elm frontend.
YAF.NET - C# ASP.NET Forum
DjangoBB mirror. DjangoBB is a quick and simple forum which uses the Django Framework (written in Python language). Abbreviation DjangoBB stands for Django Bulletin Board. DjangoBB is distributed under the BSD license.
ASP.NET Core Light forum NETCoreBBS
Totally sweet Ruby on Rails-based forum software
Serverless discussion forum built with React, Redux and Firebase
A fully-fledged modern forum app, including private messaging, built with Laravel 5.3 and Vue 2.
Yii2 forum module project
A forum system for Go written by tango & xorm