Alternatives to Capacities
Object-based note app that organizes ideas as typed, tagged objects. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Capacities
Object-based note app that organizes ideas as typed, tagged objects.
Replacements
Listings that take over the same core job as Capacities.
Anytype
An encrypted, offline-first workspace for notes, tasks and databases that syncs peer to peer.
Anytype uses a similar model of custom object types and relations, keeps data on your device with encrypted peer-to-peer sync, but is still labelled beta.
Notion
All-in-one workspace combining notes, databases, wikis, and task boards.
Notion swaps typed objects for flexible pages, databases and boards with real-time team collaboration, and has no Linux app.
Obsidian
A notes app that works on a folder of plain Markdown files on your own disk, with links between them.
Obsidian stores notes as plain Markdown files with links, backlinks and a graph view, is free for all use, but lacks a typed object model.
Logseq
An outliner that stores notes as plain Markdown files, built around a daily journal and linked blocks.
Logseq is open source and stores notes as Markdown files around a daily journal with block linking, though its database version is still in beta.
AFFiNE Community
Combine notes, tables and a drawing canvas in a local-first workspace.
AFFiNE Community is open source under MIT and self-hostable, combining notes, tables and a canvas, but has no listed mobile apps.
SiYuan
A block-based notes workspace with Markdown that renders as you type, and an option to self-host it.
SiYuan is open source with block references, custom attributes and SQL queries, plus self-hosting, though official sync is a subscription.
Heptabase
Visual note-taking app that organizes research as cards on whiteboards.
Heptabase arranges research as cards on whiteboards instead of typed objects, requires a paid subscription and has no Linux or mobile apps listed.
TiddlyWiki
A non-linear personal notebook that runs as a single self-contained HTML file in a browser.
TiddlyWiki is free and open source and keeps a tagged, linked non-linear notebook in one portable HTML file, though it runs in a browser without native mobile apps.
Also worth comparing
These listings name Capacities as their own alternative, so the relationship runs both ways.
AppFlowy
Organize documents and projects in an open-source workspace.
Capacities organizes work as typed objects with native desktop and mobile apps, but it is closed source and advanced features require a paid tier.
Craft
Native docs app with real-time collaboration and deep integration into Apple's ecosystem.
Capacities runs on desktop and mobile platforms including Windows and Android, and organizes notes as typed objects, which has a learning curve.
Reflect
An end-to-end encrypted note app with backlinked notes, calendar integration and an AI assistant.
Capacities organises linked ideas as typed objects with native apps on desktop and mobile, with a free tier and advanced features behind payment.
RemNote
Note-taking app that pairs outlining with built-in spaced-repetition flashcards.
Capacities organises notes as typed objects with native desktop and mobile apps, but offers no spaced-repetition flashcards in the roster description.
Supernotes
A collaborative note-taking app that stores ideas as linked notecards with Markdown and LaTeX.
Capacities organizes notes as typed, tagged objects with native desktop and mobile apps, trading the notecard format for an object model with a learning curve.
Similar software
Related functionality, not a direct replacement.
Mem
An AI note-taking workspace with an agent that tracks your tasks, projects and goals from your notes.
TriliumNext Notes
A hierarchical note app where one note can live in several places at once, with a server you can host.