https://abp.io/
ABP.IO - Modern ASP.NET Core Web Application Platform | ABP.IO
ABP Platform provides an open-source framework on top of ASP.NET Core with Angular, Blazor, and MVC UI options to create scalable line of business web apps.
web application platformabp
https://twiki.org/
TWiki - the Open Source Enterprise Wiki and Web Application Platform
TWiki is leading open source enterprise wiki and Web application platform used by 50,000 small businesses, many Fortune 500 companies, and millions of people....
open source enterprisetwiki