Anytype review: a knowledge base that stays on your device

Summary

Anytype writes to the device first, syncs between devices over an encrypted peer to peer network where relays only forward ciphertext, and organises everything as objects that can relate to each other. Open source, free for personal use.

Recommend
Name
Anytype
Version
0.57
Pricing
Free
Open source
Open source
Operating system
WindowsmacOSLinuxAndroidiOS
Updated
2026-10-06 20:04

The data lands in your hands first

Anyone who has kept a large notebook in the cloud knows the quiet worry underneath it. Hundreds of thousands of words sit on somebody else servers, in a format you did not choose, and if the service changes direction the migration and the compatibility work are yours to absorb. The starting assumption here is different. Content is written to the local device first, the application works completely without a network connection, and only then does anything travel.

Synchronisation between devices runs over a peer to peer connection with end to end encryption throughout. The relay nodes that help two devices find each other forward ciphertext and never touch the plaintext, which is the architectural detail that separates this from a service that promises not to look. The source is public and can be inspected, and the clients cover desktop and mobile, which is an unusually complete combination in this corner of the tools market.

Anytype workspace with objects and relations

Knowledge organised as objects

How it organises that knowledge deserves its own paragraph. Everything is an object: a note is an object, a task is an object, a collection is an object, and objects can be related to and nested inside each other freely. Reading notes and a task list can live in the same space, be tagged, be given views, and be filtered and sorted the way a database would, which brings the flexibility of a modular notebook tool without giving up ownership of the underlying data.

Moving between devices does not involve an export and import ceremony either. Sign in with the same identity and the data converges point to point on its own, which is the practical benefit of building the sync layer around identity rather than around a hosted account.

Being local first is not only a storage decision, it changes what the tool can be trusted with. A notebook that opens and works with no network is a notebook you can keep for the decade in which the vendor may be acquired, may pivot, or may simply stop. The format question follows from the same design: the data is on your disk, and the application reading it is the one you installed.

The peer to peer arrangement has a second practical consequence that people notice only when it goes wrong. Because devices find each other directly and relays only forward encrypted packets, an outage on the relay side makes syncing slower rather than making the content unavailable. That inversion, availability first and convenience second, is the opposite of how hosted tools are usually built and is the clearest sign of which one you are looking at.

Anytype turns my data belongs to me from a slogan into a product shape: local storage, encrypted sync and public source, all three present. Only with all three is a notebook tool built for the long term rather than for the next funding round.

The honest position

Two things should be said before anyone commits. There is a learning cost: the object and relation model is a different way of thinking about notes, and it takes a few evenings before the hand stops reaching for folders. And collaboration with other people, along with the cloud relay that makes it convenient, are advanced capabilities rather than the default experience. Personal use is free, which is the part most people actually need.

So the question to ask is what you want from the tool. If it is two quick memos, a simpler application will be faster and this one will feel like overkill. If it is a knowledge base you intend to still own in ten years, with the structure and the freedom to reorganise it as your thinking changes, then this is one of the more balanced attempts available: privacy and flexibility bought together rather than traded against each other.

A last thought on what the object model is actually for. Folders answer the question where does this belong, and that question has one answer at a time. Relations answer how does this connect, and that question has as many answers as you have ideas. A notebook you will keep for years needs the second, because your thinking will not stay in the shape it had on the day you started.

The current release is 0.57, the project is still moving quickly, and that is worth knowing if you depend on stability. But the direction has been consistent for long enough to be credible, which is more than can be said for most promises about data ownership.

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Supported systems: Windows macOS Linux Android iOS