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Create and publish technical documentation with a visual editor and a Git-synced workflow.

Inspect redirect chains, HTTP status codes and response headers while browsing.

Crawl a website locally and compare technical findings between saved audits.

AI service agent that guides troubleshooting and predicts failures

Create, test and manage GPT prompts in one place, then share or embed them.

A lightweight local Markdown knowledge base with tags, search, and a note graph.

Technical data and calculations for engineering study

Keeps a categorized GitHub release draft updated as pull requests merge.

A native Markdown notebook for Mac, iPhone, and iPad with a one-time mobile-app purchase.

Write with a stylus in flexible notebooks that can also hold and annotate PDFs.

A local-first Markdown knowledge base with backlinks, graphs, canvas, and Git sync.

A file-based knowledge app with a block editor, databases, workspaces, and live collaboration.

An open-source iPad notebook for Apple Pencil writing and PDF markup.

An AI-assisted team whiteboard with an infinite canvas, diagrams, sticky notes, and collaboration.

Local Markdown notebooks with backlinks, search, and optional self-hosted encrypted sync.

Inspect Ethereum token holdings, label activity and export address histories

Save quick notes, lists, images, drawings, and audio, then retrieve them with labels and search.

An open-source desktop notebook for stylus handwriting, PDF markup, layers, and audio notes.

Publish XML and HTML documents using XSL-FO or CSS

A data-driven whiteboard where notes, diagrams, tables, and charts share one canvas.

A local-first Markdown notebook and knowledge base with backlinks and optional AI writing.

Organize to-dos with folders, tags, contexts, subtasks, and search.

Android Monero wallet with node selection and discreet display

AI diagramming and documentation tools for technical teams.