nitely
Spirit is a modern Python/Django forum
diyhi
巡云轻论坛系统包含论坛、问答模块。系统采用JAVA+MYSQL架构（官网有适配 达梦 数据库的版本），自适应手机端和电脑端，界面简洁，性能高效。演示站：http://bbs3.diyhi.com
firestormforum
An open-source forum engine, with an Elixir+Phoenix backend and an Elm frontend.
Erudika
The Stack Overflow clone for your team (self-hosted or hosted)
thedevdojo
Chatter is a Simple Laravel Forum Package
shiyanhui
A full-featured forum software built on Tornado and MongoDB.
mrusme
USENET-inspired, uncensorable, decentralized internet discussion system running on IPFS & OrbitDB (https://codeberg.org/mrus/superhighway84)
nim-lang
Lightweight alternative to Discourse written in Nim
SimpleMachines
Simple Machines Forum — SMF in short — is free and open-source community forum software, delivering professional grade features in a package that allows you to set up your own online community within minutes!
mrusme
Neon Modem Overdrive (https://codeberg.org/mrus/neonmodem)
Demindiro
Minimal, no-JS web forum software
spotweb
Decentralized community
NamelessMC
NamelessMC is a free, easy to use & powerful website software for your Minecraft server, which includes a large range of features.
Hifone
A free, open-source, self-hosted forum software based on the Laravel PHP Framework. QQ群：656868
fy0
🕊️ An opensource community/forum project write with python3 aiohttp and vue.js. 一个开源的社区程序
Team-Tea-Time
A slim, lean forum package designed for quick and easy integration in Laravel projects
satellity
Yet another open source forum written in Golang, React and PostgreSQL.
vicalloy
LBForum is a forum engine written in Python using Django
banq
Jivejdon is a chain notebook with DDD/CQRS/Clean architecture
disintegration
Bebop is a simple discussion board / forum web application
mondediefr
:speech_balloon: :whale: Docker image of Flarum
YAFNET
🌐 YAF.NET - C# ASP.NET Forum
fanchaoo
一个简单的论坛项目，开发IDE为IntelliJ IDEA，通过Maven构建，后台采用Spring、SpringMVC、MyBatis，数据库采用MySQL、Redis，前台用到jQuery，图片被上传到七牛云。
linezero
ASP.NET Core Light forum NETCoreBBS