Notes organised as objects (people, books, ideas) instead of folders. If it is not working for you, here are 8 apps that do the same job, closest match first.
Built from official pricing pages and app store listings, prices checked 2026-11-01. Not paid to be here.| App | Price | Platforms | Pick it if |
|---|---|---|---|
| Capacities (the app you have) | Free plan | Everywhere | - |
| Heptabase | Paid plans from about $9/month | Everywhere | you need it on Linux |
| Obsidian | Free for personal use | iPhone, Android, Mac, Windows, Linux | you need it on Linux |
| Reflect Notes | Paid app | Apple | you want AI built in |
| AFFiNE | Free local use | Everywhere | you need it on Linux |
| Supernotes | Starter free | Everywhere | you need it on Linux |
| Anytype | Free | iPhone, Android, Mac, Windows, Linux | you need it on Linux |
| Amplenote | Free plan | Everywhere | you need it on Linux |
| Roam Research | Paid subscription | iPhone, Android, Mac, Web | you want a close match |
Cards on whiteboards for mapping out and connecting ideas while you research.
Pick it if you need it on Linux.
Notes as plain files on your own device, with plugins for almost anything.
Pick it if you need it on Linux, you would rather not pay a subscription and privacy matters most to you.
Daily notes and backlinks with an AI assistant, stored on your Mac and iPhone.
Pick it if you want AI built in and you use Apple devices.
Docs, databases and whiteboards in one open-source, local-first workspace.
Pick it if you need it on Linux, privacy matters most to you and you want open source.
Card-based notes app where you write Markdown notecards, nest and link them, view a graph and collaborate in real time.
Pick it if you need it on Linux and you work with a team.
Local-first notes and databases, encrypted by default.
Pick it if you need it on Linux, privacy matters most to you and you need it to work offline.
Notes, tasks and calendar scheduling together, for people who plan as they write.
Pick it if you need it on Linux.
The original networked notes tool, linking ideas through two-way links and blocks.
We matched these apps to Capacities by what they are for, who they suit and where they run, using our research on each app's official website and app store listing. We have not tested them hands-on for this page. Check the price on each app's own site before you buy.