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Blinko

Open-source self-hosted AI card-note app with RAG-powered natural-language search over your own notes

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open-sourceFree and open source to self-host. A one-click managed deploy is available through PikaPods starting at a minimum of roughly $2.3/month, with a $5 signup credit for new PikaPods users; 20% of fees from that route are donated to the project.View full pricing →

Visit Blinko

https://blinko.space

About Blinko

Blinko is an open-source, self-hosted note-taking app built around card notes and quick capture — the model is that ideas arrive in fragments and the tool's job is to catch them before they evaporate, then help you find them again later. Capture is plain text and Markdown, so writing is instant and formatting and sharing stay simple, and notes are organized as cards rather than as a rigid folder hierarchy. Retrieval is where the AI sits: Blinko uses retrieval-augmented generation over your own notes so you can search in natural language and get answers grounded in what you actually wrote, instead of relying on remembering the right keyword. Because it is self-hosted, everything stays inside an environment you control, which is the usual reason people leave hosted note apps once their notes accumulate anything sensitive. It is fully open source with public code, an API, and documentation, and the project actively takes community contributions. Deployment is either a one-click hosted deploy through PikaPods, which starts at a minimum of about $2.3/month and includes a $5 signup credit for new users, with 20% of PikaPods fees generated that way donated back to Blinko, or a self-managed deployment on your own infrastructure. There is a live demo on the site. Community reception centers on the polish of the UI and interaction details relative to the project's age, with users reporting they are gradually migrating off other note products.

Key Features

AI-enhanced RAG search in natural language across your notes
Card-based quick capture built for fragments and inspiration
Plain text and Markdown throughout
Fully self-hosted with complete data ownership
Open source with a public API and documentation
One-click PikaPods deploy or bring-your-own infrastructure
Live demo available before installing

Blinko Pros & Cons

Pros

  • +Very cheap to run compared with hosted note SaaS
  • +Semantic search over your own corpus without shipping it to a vendor
  • +Markdown-native, so exit is always possible
  • +Notably polished UI for a young open-source project

⚠️ Cons

  • Self-hosting means you own backups and updates
  • Smaller plugin and integration ecosystem than Obsidian or Notion
  • RAG quality depends on the model you configure

Who Is Blinko Best For?

👤People who capture many short notes and need them findable later
👤Privacy-conscious note takers leaving hosted apps
👤Self-hosters who want an AI note tool for a few dollars a month

Tags

note takingself-hostedopen sourceragmarkdownprivacy
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