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Best Confluence apps for developers in 2026

· 3 min read
ngpilot

Developer teams use Confluence for runbooks, API documentation, architecture decisions, and onboarding guides. The right apps can make Confluence feel like a proper development workspace. Here are the best NGPILOT apps for developer-focused Confluence spaces.

1. Modern Code Blocks — Monaco editor with syntax highlighting​

Modern Code Blocks for Confluence adds a full Monaco-powered code editor to Confluence pages with syntax highlighting for 85+ languages, auto dark/light theme detection, and copy buttons.

Why developers love it:

  • Monaco editor (same engine as VS Code)
  • 85+ language syntax highlighting
  • Auto dark/light theme sync with Confluence
  • Collapsible blocks for long code

Read more: Advanced code blocks in Confluence.

2. Mermaid Plus — diagrams as code​

Mermaid Plus for Confluence lets you write diagram definitions in text and renders them as flowcharts, sequence diagrams, class diagrams, ER diagrams, and 20+ more types. Diagrams-as-code means they're versionable, diffable, and easy to update.

Perfect for:

  • Architecture decision records (ADRs)
  • Sequence diagrams for API flows
  • Class and ER diagrams for data models
  • Gantt charts for project timelines

See the full guide: Create Mermaid diagrams in Confluence.

3. Enhanced Markdown — WYSIWYG Markdown editing​

Enhanced Markdown for Confluence adds a live-preview Markdown editor with support for charts, UML, and standard Markdown syntax. Write in Markdown, see the result instantly.

Why it matters: Developers who prefer Markdown over Confluence's WYSIWYG editor get a familiar writing experience without leaving Confluence.

4. JSON Structure Viewer — visualize JSON data​

JSON Structure Viewer for Confluence transforms raw JSON into an interactive visual tree. Zoom, rotate, and explore complex API responses or configuration files without squinting at brackets.

Perfect for:

  • API response documentation
  • Configuration file references
  • Data schema visualization

5. Graphviz Charts — technical graph diagrams​

Graphviz Charts for Confluence renders DOT language into professional directed and undirected graphs. Ideal for documenting network topologies, dependency trees, and build pipelines.

6. Raw Storage Source Editor — direct XML editing​

Raw Storage Source Editor Pro lets you directly edit Confluence's underlying storage format (XML). Useful for advanced content manipulation, bulk edits, or fixing broken macros.

Get started​

All these apps are available on the Atlassian Marketplace with free trials. Browse the full app directory or check the blog for more guides.