Rename platform to open source framework

Signed-off-by: Philipp Hugenroth <philipph@spotify.com>

README.md

@@ -16,7 +16,7 @@ English \| [한국어](README-ko_kr.md) \| [中文版](README-zh_Hans.md)
 
 ## What is Backstage?
 
-[Backstage](https://backstage.io/) is an open platform for building developer portals. Powered by a centralized software catalog, Backstage restores order to your microservices and infrastructure and enables your product teams to ship high-quality code quickly without compromising autonomy.
+[Backstage](https://backstage.io/) is an open source framework for building developer portals. Powered by a centralized software catalog, Backstage restores order to your microservices and infrastructure and enables your product teams to ship high-quality code quickly without compromising autonomy.
 
 Backstage unifies all your infrastructure tooling, services, and documentation to create a streamlined development environment from end to end.
 

docs/faq/product.md

@@ -6,7 +6,7 @@ description: Questions related to product and design.
 
 ### Can we call Backstage something different? So that it fits our company better?
 
-Yes, Backstage is just a platform for building your own developer portal. We
+Yes, Backstage is just a open source framework for building your own developer portal. We
 happen to call our internal version Backstage, as well, as a reference to our
 music roots. You can call your version whatever suits your team, company, or
 brand.

docs/faq/technical.md

@@ -47,7 +47,7 @@ gets a consistent UX, no matter what tool or service is being accessed on the
 other side.
 
 Each plugin is treated as a self-contained web app and can include almost any
-type of content. Plugins all use a common set of platform APIs and reusable UI
+type of content. Plugins all use a common set of framework APIs and reusable UI
 components. Plugins can fetch data either from the backend or an API exposed
 through the proxy.
 
@@ -179,7 +179,7 @@ No. Backstage does not collect any telemetry from any third party using the
 platform. Spotify, and the open source community, do have access to
 [GitHub Insights](https://github.com/features/insights), which contains
 information such as contributors, commits, traffic, and dependencies. Backstage
-is an open platform, but you are in control of your own data. You control who
+is an open source framework, but you are in control of your own data. You control who
 has access to any data you provide to your version of Backstage and who that
 data is shared with.
 

docs/features/software-catalog/index.md

@@ -132,7 +132,7 @@ in the catalog.
 
 ![screenshot of tools](https://backstage.io/assets/images/tabs-abfdf72185d3ceb1d92c4237f7f78809.png)
 
-The Backstage platform can be customized by incorporating
+The Backstage developer portal can be customized by incorporating
 [existing open source plugins](https://github.com/backstage/backstage/tree/master/plugins),
 or by [building your own](../../plugins/index.md).
 

docs/overview/what-is-backstage.md

@@ -2,12 +2,12 @@
 id: what-is-backstage
 title: What is Backstage?
 # prettier-ignore
-description: Backstage is an open platform for building developer portals. Powered by a centralized software catalog, Backstage restores order to your microservices and infrastructure
+description: Backstage is an open source framework for building developer portals. Powered by a centralized software catalog, Backstage restores order to your microservices and infrastructure
 ---
 
 ![software-catalog](../assets/header.png)
 
-[Backstage](https://backstage.io/) is an open platform for building developer
+[Backstage](https://backstage.io/) is an open source framework for building developer
 portals. Powered by a centralized software catalog, Backstage restores order to
 your microservices and infrastructure and enables your product teams to ship
 high-quality code quickly — without compromising autonomy.

docs/references/glossary.md

@@ -27,7 +27,7 @@ A type of [OAuth flow](#oauth) used by confidential and public clients to get an
 
 ## Backstage
 
-1. A platform for creating and deploying [developer portals](#developer-portal), originally created at Spotify. Backstage is an incubation-stage open source project of the [Cloud Native Computing Foundation](#cloud-native-computing-foundation).
+1. A open source framework for creating and deploying [developer portals](#developer-portal), originally created at Spotify. Backstage is an incubation-stage open source project of the [Cloud Native Computing Foundation](#cloud-native-computing-foundation).
 
 2. [The Backstage Framework](#backstage-framework).
 
@@ -105,7 +105,7 @@ An executable or package file with all of the necessary information required to
 
 ## Developer Portal
 
-A centralized system comprising a user interface and database used to facilitate and document all the software projects within an organization. Backstage is both a developer portal and (by virtue of being based on plugins) a platform for creating developer portals.
+A centralized system comprising a user interface and database used to facilitate and document all the software projects within an organization. Backstage is both a developer portal and (by virtue of being based on plugins) a framework for creating developer portals.
 
 ## Document (search plugin)
 

microsite/docusaurus.config.js

@@ -24,7 +24,7 @@ prismTheme.plain.backgroundColor = '#232323';
 /** @type {import('@docusaurus/types').Config} */
 module.exports = {
   title: 'Backstage Software Catalog and Developer Platform',
-  tagline: 'An open platform for building developer portals',
+  tagline: 'An open source framework for building developer portals',
   url: 'https://backstage.io',
   baseUrl: '/',
   organizationName: 'Spotify',

microsite/src/pages/demos/index.tsx

@@ -62,7 +62,7 @@ const Demos = () => {
     {
       title: 'Introduction to Backstage',
       content:
-        'Backstage is an open source platform for building developer portals. We’ve been using our homegrown version at Spotify for years — so it’s already packed with features. (We have over 120 internal plugins, built by 60 different teams.) In this live demo recording, Stefan Ålund, product manager for Backstage, tells the origin story of Backstage and gives you a tour of how we use it here at Spotify.',
+        'Backstage is an open source framework for building developer portals. We’ve been using our homegrown version at Spotify for years — so it’s already packed with features. (We have over 120 internal plugins, built by 60 different teams.) In this live demo recording, Stefan Ålund, product manager for Backstage, tells the origin story of Backstage and gives you a tour of how we use it here at Spotify.',
       actionItemLink: 'https://www.youtube.com/watch?v=1XtJ5FAOjPk',
       media: {
         type: 'video',

microsite/src/pages/home/_home.tsx

@@ -74,7 +74,7 @@ const HomePage = () => {
           >
             <ContentBlock
               className={homeStyles.openPlatformBanner}
-              title={<h1> An open platform for building developer portals</h1>}
+              title={<h1> An open source framework for building developer portals</h1>}
               actionButtons={[
                 {
                   link: 'https://github.com/backstage/backstage#getting-started',

mkdocs.yml

@@ -1,5 +1,5 @@
 site_name: 'Backstage'
-site_description: 'Main documentation for Backstage features and platform APIs'
+site_description: 'Main documentation for Backstage features and framework APIs'
 repo_url: https://github.com/backstage/backstage
 edit_uri: edit/master/docs
 

packages/app-next/public/index.html

@@ -6,7 +6,7 @@
     <meta name="theme-color" content="#000000" />
     <meta
       name="description"
-      content="Backstage is an open platform for building developer portals"
+      content="Backstage is an open source framework for building developer portals"
     />
     <!--
       manifest.json provides metadata used when your web app is installed on a

packages/app/public/index.html

@@ -6,7 +6,7 @@
     <meta name="theme-color" content="#000000" />
     <meta
       name="description"
-      content="Backstage is an open platform for building developer portals"
+      content="Backstage is an open source framework for building developer portals"
     />
     <!--
       manifest.json provides metadata used when your web app is installed on a

packages/cli/templates/serve_index.html

@@ -6,7 +6,7 @@
     <meta name="theme-color" content="#000000" />
     <meta
       name="description"
-      content="Backstage is an open platform for building developer portals"
+      content="Backstage is an open source framework for building developer portals"
     />
     <title>Backstage</title>
   </head>

packages/create-app/templates/default-app/packages/app/public/index.html

@@ -6,7 +6,7 @@
     <meta name="theme-color" content="#000000" />
     <meta
       name="description"
-      content="Backstage is an open platform for building developer portals"
+      content="Backstage is an open source framework for building developer portals"
     />
     <!--
       manifest.json provides metadata used when your web app is installed on a

packages/techdocs-cli-embedded-app/public/index.html

@@ -6,7 +6,7 @@
     <meta name="theme-color" content="#000000" />
     <meta
       name="description"
-      content="Backstage is an open platform for building developer portals"
+      content="Backstage is an open source framework for building developer portals"
     />
     <!--
       manifest.json provides metadata used when your web app is installed on a