Plugins that were Community Support before BCP was created, then moved to Tech Preview after BCP was created.

3scale - @backstage-community/plugin-3scale-backend (Backend)
Argo CD - @roadiehq/scaffolder-backend-argocd (Backend)
Argo CD (Red Hat) - @backstage-community/plugin-redhat-argocd (Frontend)
Azure - @backstage/plugin-scaffolder-backend-module-azure (Backend)
Azure Devops - @backstage-community/plugin-azure-devops (Frontend)
Azure Devops - @backstage-community/plugin-azure-devops-backend (Backend)
Azure Repositories - @parfuemerie-douglas/scaffolder-backend-module-azure-repositories (Backend)
Bitbucket Cloud - @backstage/plugin-catalog-backend-module-bitbucket-cloud (Backend)
Bitbucket Cloud - @backstage/plugin-scaffolder-backend-module-bitbucket-cloud (Backend)
Bitbucket Server - @backstage/plugin-catalog-backend-module-bitbucket-server (Backend)
Bitbucket Server - @backstage/plugin-scaffolder-backend-module-bitbucket-server (Backend)
Datadog - @roadiehq/backstage-plugin-datadog (Frontend)
Dynatrace - @backstage-community/plugin-dynatrace (Frontend)
Gerrit - @backstage/plugin-scaffolder-backend-module-gerrit (Backend)
GitHub - @backstage/plugin-scaffolder-backend-module-github (Backend)
GitHub Actions - @backstage-community/plugin-github-actions (Frontend)
GitHub Insights - @roadiehq/backstage-plugin-github-insights (Frontend)
GitHub Issues - @backstage-community/plugin-github-issues (Frontend)
GitHub Pull Requests - @roadiehq/backstage-plugin-github-pull-requests (Frontend)
GitLab - @immobiliarelabs/backstage-plugin-gitlab (Frontend)
GitLab - @backstage/plugin-catalog-backend-module-gitlab (Backend)
GitLab - @immobiliarelabs/backstage-plugin-gitlab-backend (Backend)
GitLab - @backstage/plugin-scaffolder-backend-module-gitlab (Backend)
GitLab Org - @backstage/plugin-catalog-backend-module-gitlab-org (Backend)
Http Request - @roadiehq/scaffolder-backend-module-http-request (Backend)
Jenkins - @backstage-community/plugin-jenkins (Frontend)
Jenkins - @backstage-community/plugin-jenkins-backend (Backend)
Jira - @roadiehq/backstage-plugin-jira (Frontend)
Kubernetes - @backstage/plugin-kubernetes (Frontend)
Ldap - @backstage/plugin-catalog-backend-module-ldap (Backend)
Lighthouse - @backstage-community/plugin-lighthouse (Frontend)
MS Graph - @backstage/plugin-catalog-backend-module-msgraph (Backend)
PagerDuty - @pagerduty/backstage-plugin (Frontend)
PagerDuty - @pagerduty/backstage-plugin-backend (Backend)
Pingidentity - @backstage-community/plugin-catalog-backend-module-pingidentity (Backend)
Scaffolder Relation Processor - @backstage-community/plugin-catalog-backend-module-scaffolder-relation-processor (Backend)
Security Insights - @roadiehq/backstage-plugin-security-insights (Frontend)
SonarQube - @backstage-community/plugin-sonarqube (Frontend)
SonarQube - @backstage-community/plugin-sonarqube-backend (Backend)
Tech Radar - @backstage-community/plugin-tech-radar (Frontend)
Utils - @roadiehq/scaffolder-backend-module-utils (Backend)