1
Also covers consultants
Private AI for your own documents, on Mac, with Windows coming soon.
Alternatives
The Best SigmaNote Alternatives in 2026
21 alternatives3 free · 5 open source
Looking for something like SigmaNote? Here are 21 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 3 are free or have a free plan and 5 are open source.
SigmaNote organizes PDFs, voice notes, webpages, and videos into a searchable knowledge base for AI-assisted learning and work.
Top picks at a glance
First suggestionElephasPrivate AI for your own documents, on Mac, with Windows…Free or freemium optionFlotesFlotes turns Markdown notes into flash cards, mind maps…Open source optionSwarmVaultSwarmVault combines a local-first LLM wiki with a knowledge…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Elephas | Paid | Not stated | macOS |
| 2 | SwarmVault | — | Yes | — |
| 3 | MicroPad | — | Not stated | Linux, macOS, Web |
| 4 | Siyuan | — | Yes | — |
| 5 | Docmost | — | Yes | — |
| 6 | Mem | — | Not stated | Web |
| 7 | Recall | — | Not stated | Web |
| 8 | Open Notebook | — | Not stated | Web |
| 9 | Trilium | — | Not stated | Web |
| 10 | xTiles | — | Not stated | Web |
All SigmaNote alternatives
2
Also covers ai agents · open source
SwarmVault combines a local-first LLM wiki with a knowledge graph, RAG knowledge base, and agent memory store.
3
MicroPad
getmicropad.comAlso covers students
MicroPad supports note-taking and note organization, according to its product page.
4
Also covers ai agents · open source
SiYuan offers a self-hosted knowledge workspace described as open-source and privacy-first, with collaboration for people and AI agents.
5
Also covers ai agents · open source
Docmost is open-source collaborative wiki and documentation software for teams.
6
Mem
mem.aiSame kind of website
Mem organizes meeting notes, projects, and knowledge bases for teams with searchable AI features.
7
Recall
recall.itRecall saves and summarizes articles, videos, podcasts, PDFs, and notes in a personal AI knowledge base.
8
Open Notebook
open-notebook.aiOpen Notebook provides a private workspace for learning, research, and organizing knowledge.
9
Trilium
triliumnotes.orgTrilium Notes is an open-source app for taking notes and organizing a personal knowledge base locally or through synchronization.
10
xTiles
xtiles.appSame kind of website
xTiles organizes daily work and helps users review yesterday and plan for the next day.
11
QOwnNotes
qownnotes.orgSame kind of website
QOwnNotes supports Markdown note-taking on Linux, macOS, and Windows, and works with Nextcloud Notes.
12
Slite
slite.comSame kind of website
Slite provides a team knowledge base that stays synced with connected tools and is verified by the team.
13
logseq
logseq.comSame kind of website
Logseq offers an open-source knowledge base, according to the supplied title.
14
Free plan
Flotes turns Markdown notes into flash cards, mind maps, and a wiki to support learning.
15
Silicon
github.com/cu/siliconSilicon Notes is a web-based personal knowledge base described as having few frills.
16
Open source
Trilium Notes supports building a personal knowledge base, as described by the project page.
17
Open source · free
NoteDiscovery provides a self-hosted Markdown knowledge base with AI assistant integration, wikilinks, and graph views.
18
Free
Tolaria organizes notes as Markdown files and describes itself as a second-brain app.
19
Butterfly
butterfly.linwood.devLinwood Butterfly provides an endless workspace for handwriting, sketching, annotating, taking notes, and organizing ideas.
20
Affi Ne
github.com/toeverything/AFFiNEAFFiNE is an open-source knowledge base combining pages and collaborative editing, according to its repository description.
21
Emanote
github.com/srid/emanoteTurn plain-text notes into structured websites such as blogs, wikis, notebooks, and knowledge bases with Emanote.
No alternatives match this filter.
Alternatives to similar tools
NoteDiscovery21 alternativesRecall14 alternativesEmanote13 alternativesFlotes10 alternativesSwarmVault24 alternativesOpen Notebook8 alternatives
TopicNotes & Knowledge Management · 92 sites Best-of listBest Free Note-Taking Apps for Offline Use ListingSigmaNote details
What is the best alternative to SigmaNote?
Based on features, tags and platforms, the closest alternatives to SigmaNote are Elephas, SwarmVault, and MicroPad.
Is there a free alternative to SigmaNote?
Yes. Flotes, NoteDiscovery, and Tolaria are free or offer a free plan.
Are there open-source alternatives to SigmaNote?
Yes: SwarmVault, Siyuan, Docmost, and Trilium.
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