The Best Notesnook Alternatives in 2026

SiYuan offers a self-hosted knowledge workspace described as open-source and privacy-first, with collaboration for people and AI agents.

Trilium Notes supports building a personal knowledge base, as described by the project page.

Memos provides a self-hosted timeline for short notes, which users can later find by search, tag, or date.

SilentNotes synchronizes notes between Android and Windows devices, according to its repository description.

Take notes and sync them across Windows, macOS, Linux, Android, and iOS using Joplin, the privacy-focused note-taking app.

Cryptee provides encrypted photo storage and a document editor for personal writing, according to its page description.

AppFlowy is a self-hosted AI workspace for enterprise teams to manage projects, wikis, and data with private AI, flexible databases, and full data control.

Silicon Notes is a web-based personal knowledge base described as having few frills.

NoteDiscovery provides a self-hosted Markdown knowledge base with AI assistant integration, wikilinks, and graph views.

BookStack provides a self-hosted wiki for organizing and storing information.

Memos supports short notes without titles or folders as an open-source, self-hosted app.

AFFiNE is an open-source knowledge base combining pages and collaborative editing, according to its repository description.

The anytype-ts repository contains the official Anytype client for macOS, Linux, and Windows.

Standard Notes is an end-to-end encrypted note-taking app for capturing notes and files, according to its repository description.

SiYuan supports personal knowledge management with Markdown, block references, and bidirectional links.

Logseq offers an open-source knowledge base, according to the supplied title.

This repository implements an open-source alternative to NotebookLM with additional flexibility.

Butterfly supports handwritten note-taking, drawing, and organizing ideas in an open-source endless workspace.

VNote is a Qt-based open-source note-taking application that combines note management with editing for Markdown, Typst, plain text and code, mind maps, and PDF reading on Linux, Windows, and macOS.

Org-roam is a Roam-inspired note-taking project built around Org-mode, as stated in its repository description.

Xournal++ supports handwritten note-taking and PDF annotation on Linux, macOS, and Windows, including pen input from devices such as Wacom tablets.

TidGi is a desktop knowledge-management and note app with automated Git backups, according to its repository description.

Saber supports handwriting in an open-source app designed for use across platforms, according to its project description.

Manage knowledge and collaborate with Logseq, an open-source platform described by its project as privacy-first.