# Capacities **Source:** https://geo.sig.ai/brands/capacities-app **Vertical:** Productivity **Subcategory:** Personal Knowledge Management **Tier:** Emerging **Website:** capacities.io **Last Updated:** 2026-04-14 ## Summary Berlin-based object-model personal knowledge tool connecting notes, people, books, and ideas; for researchers and writers wanting a connected database rather than folder-based hierarchies. ## Company Overview Capacities is a Berlin-based personal knowledge management company that builds a note-taking and knowledge organization tool based on an object model rather than a document model. Where traditional note apps organize information in hierarchical folders, Capacities allows users to create typed objects — people, books, projects, ideas — and link them together in a personal knowledge graph. A note about a book can link to its author's person object, which links to related books and ideas, creating a connected knowledge base rather than isolated documents. Capacities is designed for researchers, writers, knowledge workers, and lifelong learners who want to build a personal database of interconnected knowledge rather than just a collection of notes. The daily notes feature and progressive summarization workflow make it suitable for capturing and processing information daily. Founded in 2021 in Germany, Capacities has grown through the personal knowledge management community alongside tools like Obsidian and Roam Research. The company competes with Notion, Obsidian, and Roam in the knowledge management tool market. ## Frequently Asked Questions ### What is object-based note-taking in Capacities? In Capacities, instead of creating a note called 'Meeting with Sarah' in a folder, you create a Meeting object linked to a Person object (Sarah), which connects to her Company object and related Project objects, building a relational knowledge graph rather than a document hierarchy. ### What is Capacities and how does its object-based knowledge management work? Capacities is a Berlin-based personal knowledge management tool built on an object model rather than a document model. Instead of organizing notes in folders, users create typed objects—people, books, projects, ideas, companies—and link them together in a personal knowledge graph. A note about a book links to its author's person object, which links to related ideas and projects, creating a web of interconnected knowledge rather than disconnected documents. ### How is Capacities different from Notion, Obsidian, and Roam Research? Notion uses a flexible document model with database blocks—powerful but flat. Obsidian is a Markdown-based link graph focused on backlinks between notes. Roam Research pioneered bi-directional linking for daily notes. Capacities differentiates by using typed objects as the fundamental building block—each object type (book, person, project) has consistent properties, creating structured knowledge rather than free-form linked text. ### What types of objects can users create in Capacities? Capacities has built-in object types including daily notes, books (with author, rating, status properties), people (contacts), projects, movies, podcasts, and ideas. Users can also create custom object types with custom properties. This typed structure means information captured about books always has the same properties across your knowledge base, enabling filtering and searching by structured attributes rather than just text search. ### Who is the target user for Capacities? Capacities targets knowledge workers, researchers, writers, and students who want to build a long-term personal knowledge base that surfaces connections between ideas over time. It's particularly popular among 'personal knowledge management' (PKM) enthusiasts who want more structure than Obsidian's pure Markdown approach but a more interconnected, graph-based system than Notion's hierarchical databases. ### What is Capacities' pricing model? Capacities offers a free plan with core features and a paid Pro subscription (approximately €10–15/month) that adds AI features, unlimited objects, advanced customization, and additional storage. The pricing is positioned competitively with Notion and Roam Research, targeting individuals who want personal knowledge management capabilities rather than team collaboration features. ### What AI features does Capacities include? Capacities has integrated AI assistance features that help users generate content within objects, summarize notes, suggest connections between objects, and surface relevant past notes when creating new content. The AI layer helps surface the knowledge graph value—the connections between notes that would otherwise require manual cross-referencing to discover. ### Is Capacities suitable for team collaboration? Capacities is designed primarily as a personal knowledge management tool rather than a team collaboration platform. While the company may add team features, its core design philosophy centers on individual knowledge work. Teams seeking collaborative knowledge bases may find Notion, Confluence, or Coda more appropriate. Capacities is best suited for individuals building a personal knowledge system alongside whatever team tools they use at work. ### What is Capacities? Capacities is a personal knowledge management app built around an object-based model — rather than organizing information in folders and files, Capacities treats notes, books, people, and ideas as typed objects that link together in a connected knowledge graph. ### What makes Capacities different from Notion or Obsidian? Capacities uses a unique object-type system where different types of information (people, books, projects, daily notes) have distinct structures and relationships — creating a more semantically organized knowledge base than folder-based or pure block-editor tools. ### Does Capacities have AI features? Yes. Capacities includes AI writing assistance and AI-powered content generation built into the editor — allowing users to draft, summarize, and expand notes using AI without leaving their knowledge management workspace. ### Is Capacities a SaaS or local-first tool? Capacities is a cloud-based SaaS product with sync across devices — prioritizing collaboration and multi-device access over the local-first, offline approach taken by tools like Obsidian. ### What are Capacities' key use cases? Capacities is used for personal knowledge management (PKM), book and reading notes, research organization, journaling with daily notes, project tracking, and building a connected library of ideas that cross-references over time. ### How does Capacities handle linking between notes? Capacities supports bidirectional linking between objects — creating connections between related notes, people, books, and projects that reveal relationships in your knowledge base that wouldn't be visible in a linear file structure. ### What is Capacities' pricing? Capacities offers a free tier with core features and a paid Pro plan with unlimited storage, additional AI features, and priority support — positioned as a premium personal knowledge management tool for serious knowledge workers. ### What is Capacities? Capacities is an object-based note-taking and personal knowledge management (PKM) app that organizes information by object type (notes, books, people, projects, tags) rather than folders—creating a structured, interconnected workspace that mirrors how knowledge actually relates in the real world. ### What is the object-based approach in Capacities? Unlike traditional note apps organized by folders or tags, Capacities lets users define custom object types (e.g., Book, Person, Project, Meeting) with specific properties for each type. All notes and objects are linked through a knowledge graph, enabling navigation by relationship rather than location. ### Who uses Capacities? Capacities is used by knowledge workers, researchers, writers, students, and productivity enthusiasts who want a more structured alternative to apps like Notion, Obsidian, or Roam Research—particularly those who prefer typed objects with properties over free-form documents. ### How does Capacities handle linking and connections? Capacities supports bidirectional linking between objects and notes, automatically creating backlinks when one note references another. Its visual graph view shows how objects are interconnected, helping users discover relationships and navigate their knowledge base by connection rather than search alone. ### Does Capacities work offline? Capacities offers offline access for its paid tiers, allowing users to work without an internet connection with automatic sync when connectivity returns—important for users who want to use it as their primary note-taking tool in all contexts. ### How does Capacities compare to Notion or Obsidian? Capacities sits between Notion (document/database focused) and Obsidian (plain markdown, local-first). It offers more structure than Obsidian through its object typing system while being more opinionated and personal-use focused than Notion's collaborative workspace approach. ### What is Capacities's pricing model? Capacities offers a free tier with core features and paid subscription tiers (Pro and higher) that unlock unlimited objects, offline access, daily notes, AI features, and additional object types—targeting serious PKM users willing to pay for a premium structured note-taking experience. ## Tags saas, b2c, startup, productivity, platform, europe, collaboration --- *Data from geo.sig.ai Brand Intelligence Database. Updated 2026-04-14.*