NoteDiscovery provides a self-hosted Markdown knowledge base with AI assistant integration, wikilinks, and graph views.
The Best Trilium Alternatives in 2026
Looking for something like Trilium? Here are 23 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 3 are free or have a free plan and 6 are open source.
Trilium Notes is an open-source app for taking notes and organizing a personal knowledge base locally or through synchronization.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | NoteDiscovery | Free | Yes | Web |
| 2 | Affi Ne | — | Not stated | — |
| 3 | Lokus | Free | Not stated | Windows, macOS, Linux |
| 4 | Memos | — | Yes | — |
| 5 | Wiki Docs | — | Yes | Web, Windows |
| 6 | Trilium | — | Yes | — |
| 7 | Recall | — | Not stated | Web |
| 8 | SigmaNote | — | Not stated | Web |
| 9 | Butterfly | — | Not stated | Web |
| 10 | Saber | — | Not stated | Android, iOS, Web |
All Trilium alternatives
Affi Ne
github.com/toeverything/AFFiNEAFFiNE is an open-source knowledge base combining pages and collaborative editing, according to its repository description.
Lokus - A modern, intuitive note-taking application with powerful editing capabilities
Memos provides a self-hosted timeline for short notes, which users can later find by search, tag, or date.
WikiDocs is a flat-file wiki built with Markdown and does not require a database, according to its repository description.
Trilium Notes supports building a personal knowledge base, as described by the project page.
Recall
recall.itRecall saves and summarizes articles, videos, podcasts, PDFs, and notes in a personal AI knowledge base.
SigmaNote
sigmanote.appSigmaNote organizes PDFs, voice notes, webpages, and videos into a searchable knowledge base for AI-assisted learning and work.
Butterfly
butterfly.linwood.devLinwood Butterfly provides an endless workspace for handwriting, sketching, annotating, taking notes, and organizing ideas.
Saber
saber.adil.hanney.orgSaber focuses on handwritten notes and lists synchronization options on its page.
Silicon
github.com/cu/siliconSilicon Notes is a web-based personal knowledge base described as having few frills.
Open Notebook
open-notebook.aiOpen Notebook provides a private workspace for learning, research, and organizing knowledge.
Lokus
lokusmd.comLokus supports personal knowledge management on macOS, Windows, and Linux with Markdown, wiki links, graph view, and an infinite canvas.
Tolaria organizes notes as Markdown files and describes itself as a second-brain app.
Mem
mem.aiMem organizes meeting notes, projects, and knowledge bases for teams with searchable AI features.
Notesnook
notesnook.comNotesnook provides open-source note-taking with zero-knowledge encryption, a free tier, and paid plans for added storage and features.
Slite
slite.comSlite provides a team knowledge base that stays synced with connected tools and is verified by the team.
SiYuan
b3log.org/siyuan/enSiYuan supports personal knowledge management with Markdown, block references, and bidirectional links.
Butterfly supports handwritten note-taking, drawing, and organizing ideas in an open-source endless workspace.
logseq
logseq.comLogseq offers an open-source knowledge base, according to the supplied title.
SwarmVault combines a local-first LLM wiki with a knowledge graph, RAG knowledge base, and agent memory store.
QOwnNotes
qownnotes.orgQOwnNotes supports Markdown note-taking on Linux, macOS, and Windows, and works with Nextcloud Notes.
Edna
edna.arslexis.ioTake notes in Edna, which the supplied page describes as a note-taking application with added features.
Alternatives to similar tools
What is the best alternative to Trilium?
Is there a free alternative to Trilium?
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Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative




















