AI Assistants tools

General-purpose assistants powered by generative AI.

Siyuan

AI Assistants

SiYuan is a privacy-first knowledge workspace for block-based notes, linked documents, AI-assisted writing, and structured personal knowledge management.

Logseq

44,466

AI Assistants

Logseq is an open-source knowledge-management app for organizing notes, tasks, and ideas in local-first graphs, with desktop, web, and mobile access.

Trilium

37,438

AI Assistants

Trilium is an open-source note-taking application for building large personal knowledge bases with rich editing, search, organization, and self-hosted sync.

Docmost

21,372

AI Assistants

Docmost is open-source collaborative wiki software for creating, organizing, searching, and maintaining team documentation with real-time editing, comments.

Docs

16,725

AI Assistants

Docs is an open-source web editor for teams to create, organize, and share structured knowledge collaboratively, with real-time editing and self-hosted data.

Apitable

15,447

AI Assistants

APITable is an open-source collaborative database-spreadsheet platform for building structured workspaces, forms, dashboards, automations, and low-code apps.

Note-gen

12,636

AI Assistants

NoteGen is a local-first Markdown app for capturing notes, media, and links, then organizing them with AI into editable documents, searchable knowledge.

Silverbullet

5,854

AI Assistants

SilverBullet is a self-hosted Markdown knowledge database with wiki links, live preview, queries, tasks, and Lua scripting for programmable personal notes.

Colanode

5,015

AI Assistants

Colanode is an open-source, local-first collaboration workspace for team chat, rich-text pages, wikis, databases, files, and self-hosted data control.

Surf

3,524

AI Assistants

Deta Surf is a local-first AI notebook for organizing files and webpages, researching sources, and generating rich notes with user-selected models.

Tududi

3,252

AI Assistants

Tududi is a self-hosted productivity app for organizing tasks, projects, notes, areas, and tags, with recurring work, sharing, Telegram, and CalDAV support.

MrDoc

3,229

AI Assistants

MrDoc is a self-hosted online document and knowledge-management platform for individuals and small teams, with Markdown writing, collaboration, permissions.

NoteDiscovery

2,746

AI Assistants

Self-hosted knowledge-base app for writing, organizing, searching, and linking Markdown notes with themes, templates, graph views, sharing, and AI integration.

Community

2,415

AI Assistants

Documize is a self-hosted knowledge-management platform for creating, organizing, and maintaining internal and external documentation with collaborative pages.

Alexandrie

2,326

AI Assistants

Self-hosted knowledge base for organizing, searching, sharing, and exporting Markdown notes with offline access, team workspaces, and granular permissions.

Atomic

1,891

AI Assistants

Atomic is a self-hosted knowledge base that turns Markdown notes into linked, searchable articles with AI synthesis, semantic search, chat, and visual graph.

Llmwiki

1,500

AI Assistants

LLM Wiki turns documents, notes, and web clips into a searchable, AI-maintained wiki with citations, linked pages, and local or hosted deployment options.

Edgeever

1,171

AI Assistants

EdgeEver is an open-source notes workspace for capturing, organizing, searching, syncing, and sharing rich notes across devices with AI and web clipping.

Crowi

1,099

AI Assistants

Crowi is a self-hostable Markdown wiki for team knowledge sharing, with hierarchical pages, real-time editing, search, and a web frontend for teams.

Leafwiki

1,042

AI Assistants

LeafWiki is a self-hosted wiki for structured, durable documentation, with Markdown pages, tree navigation, search, links, access roles, and a lightweight Go,.

Sage-wiki

582

AI Assistants

sage-wiki turns documents into an interlinked, searchable knowledge wiki with graph-based, cited answers for people and AI agents, locally or on a team server.

Beever-atlas

440

AI Assistants

Beever Atlas turns team chat into a cited, self-maintaining wiki with searchable topic pages, entity graphs, and natural-language answers for teams.

Valour

393

AI Assistants

Valour is an open-source community platform combining real-time chat, persistent threads, searchable wikis, voice channels, roles, permissions, and community.

AppFlowy-Web

315

AI Assistants

AppFlowy is an open-source collaborative workspace for team wikis, rich documents, projects, tasks, databases, and AI-assisted content management.

Webobsidian

226

AI Assistants

WebObsidian is a self-hosted web and desktop Markdown notes app with search, wikilinks, graphs, GitHub sync, sharing, and an AI agent API for vaults.

Kuku

203

AI Assistants

Kuku is a local-first macOS Markdown workspace for private note vaults, connected wikis, graph navigation, AI-assisted editing, and encrypted sync.

How to choose open-source AI Assistants software

Start with the workflow you need to replace, then compare feature coverage, deployment documentation, project activity, data portability, and support. Repository popularity is useful context, but it should not outweigh fit or the project's maintenance history.

Capabilities and use cases

Across the reviewed tools, common documented capabilities include Team knowledge-base pages from capture to shared source of truth, Collaborative documents, Collaborative knowledge pages from draft to maintained team reference, Enterprise search, Connected note vault creation, Cross-device multimedia note capture and retrieval, Local data storage, Notebooks, tags, and templates. Verify the exact workflow on each profile before migrating production data.

Licensing considerations

Licenses represented in this category include AGPL-3.0, Apache-2.0, GPL-3.0, MIT. Check redistribution, modification, and hosted-service obligations against your intended use.

Self-hosting tradeoffs

26 of 26 reviewed tools are confirmed as self-hostable, and 20 document Docker support. Compare upgrade, backup, monitoring, and security work alongside hosting cost.

Related software categories

Project Management Document Collaboration Knowledge Management Digital Whiteboards Note Taking Task Management