gatsby-plugin-react-helmet(latest: 6.16.0) Manage document head data with react-helmet. Provides drop-in server rendering support for Gatsby.
gatsby-source-filesystem(latest: 5.16.0) Gatsby source plugin for building websites from local data. Markdown, JSON, images, YAML, CSV, and dozens of other data types supported.
gatsby-plugin-catch-links(latest: 5.16.0) Intercepts local links from markdown and other non-react pages and does a client-side pushState to avoid the browser having to refresh the page.