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@@ -501,9 +501,11 @@ _Related: [Blogging Platforms](#blogging-platforms), [Static Site Generators](#s
 - [Noosfero](https://gitlab.com/noosfero/noosfero) - Noosfero is a web platform for social and solidarity economy networks with blog, e-Portfolios, CMS, RSS, thematic discussion, events agenda and collective intelligence for solidarity economy in the same system. `AGPL-3.0` `Ruby`
 - [october](https://octobercms.com/) - Free, open-source, self-hosted CMS platform. ([Source Code](https://github.com/octobercms/october)) `MIT` `PHP`
 - [Omeka](https://omeka.org) - Create complex narratives and share rich collections, adhering to Dublin Core standards with Omeka on your server, designed for scholars, museums, libraries, archives, and enthusiasts. ([Demo](https://omeka.org/classic/showcase/), [Source Code](https://github.com/omeka/Omeka)) `GPL-3.0` `PHP`
+- [Orchard CMS](https://orchardcore.net/) - Open-source, modular, multi-tenant application framework and CMS for ASP.NET Core
 - [Pagekit](https://pagekit.com/) - New modern CMS to create and share. ([Source Code](https://github.com/pagekit/pagekit)) `MIT` `PHP`
 - [Pico](https://picocms.org/) - Stupidly simple, blazing fast, flat file CMS. ([Source Code](https://github.com/picocms/Pico)) `MIT` `PHP`
 - [Pimcore](https://www.pimcore.org/) - Multi-Channel Experience and Engagement Management Platform. ([Source Code](https://github.com/pimcore/pimcore)) `GPL-3.0-or-later` `PHP`
+- [Piranha](https://piranhacms.org/) - Piranha is designed for small to medium sized applications with the rare users in mind. With its decoupled architecture it can be used as both an integrated CMS or as a headless content store for your Apps
 - [Plone](https://plone.org/) - Powerful open-source CMS system. ([Source Code](https://github.com/plone)) `ZPL-2.0` `Python`
 - [ProcessWire](https://processwire.com/) - ProcessWire is an open source content management system (CMS) and web application framework aimed at the needs of designers, developers and their clients. ([Source Code](https://github.com/ryancramerdesign/ProcessWire)) `MPL-2.0` `PHP`
 - [PropertyWebBuilder](https://propertywebbuilder.com) - Ultimate Ruby on Rails engine for creating real estate websites. ([Demo](https://propertywebbuilder.herokuapp.com), [Source Code](https://github.com/etewiah/property_web_builder)) `MIT` `Ruby`