Alternatives to Obsidian

3 editor-selected alternatives · Obsidian overview →

source: tools.alternatives · stored order · active records only; review scores are annotations and never change membership or order

A directional evidence panel appears only when the substitute rationale, trade-offs, sources, and verification date have been recorded. Older selections without that panel remain visible but are unclassified under the new evidence contract.

Notion

86/100freemiumexplicit relation

All-in-one workspace combining notes, wikis, project management, databases, and documents in a single flexible platform. Features a block-based editor supporting rich text, tables, kanban boards, calendars, galleries, and embeds. Powerful databases with relations, rollups, formulas, and filtered views. Includes Notion AI for writing assistance, team collaboration with permissions, templates gallery, and API for integrations. Used by millions for personal and team knowledge management.

Freemium connected workspace and AI knowledge assistant. Free tier ($0/mo) includes unlimited blocks for individuals and basic Notion AI trial. Plus ($10-$12/user/mo) offers unlimited blocks for teams, unlimited file uploads, and 30-day page history. Business ($15-$18/user/mo) adds SAML SSO, private teamspaces, and 90-day page history. Enterprise offers custom pricing with SCIM, audit logs, unlimited history, and HIPAA support. Notion AI Add-on ($8-$10/user/mo) provides unlimited workspace Q&A, AI drafting/summaries, AI database autofill, and Slack/Drive/Jira connectors.Review →

AppFlowy

78/100open sourcefreemiumexplicit relation

AppFlowy is an open-source workspace platform offering documents, wikis, databases, and project management as a privacy-first alternative to Notion. Built with Rust and Flutter for native performance, it runs fully offline with local data storage by default. AI features include writing assistance, summarization, and translation powered by configurable LLM providers. 72.5K+ GitHub stars, backed by a growing contributor community with self-hosted and cloud deployment options.

Open-source (AGPL-3.0) offline-first Notion alternative built with Flutter and Rust. Self-hosted edition is 100% free ($0) with unlimited local SQLite pages and Docker/Supabase deployment. Managed AppFlowy Cloud offers a Free tier ($0/mo with basic cloud storage and 2 workspace members), Pro tier ($10/user/mo billed annually or $12.50/mo monthly with unlimited storage, 10GB file uploads, and AppFlowy AI credits), Team tier ($15/user/mo for multi-user collaboration), and custom Enterprise plans with SAML SSO, self-hosted on-prem cloud, and dedicated SLA. Supports BYOK and local offline LLMs via Ollama.Review →

Outline

open sourcefreemiumexplicit relation

Outline is a fast, collaborative team knowledge base and wiki with a Markdown-compatible editor, nested collections, search with AI-assisted answers, integrations, and managed or self-hosted deployment.

Source-available and free to self-host under BSL 1.1. Managed cloud plans offer a 30-day trial and flat monthly workspace pricing: Starter is $10/mo (up to 10 users), Team is $79/mo (up to 100 users with SSO and audit logs), and Business is $249/mo (up to 200 users). Enterprise for 200+ users requires custom pricing.

Open-source Obsidian alternatives

AppFlowy, Outline — see all open-source developer tools.

Free Obsidian alternatives

Notion, AppFlowy, Outline offer a free plan or free tier.

More Documentation & Knowledge tools

same category, not editor-selected alternatives — see how Obsidian compares →

Grok BotGrok Bot is SpaceXAI's beta workspace for persistent AI teammates that use apps, websites, files, terminals, plugins, and MCP on a user-scoped cloud computer. Bots can learn routines, coordinate in parallel, and, when enabled by team policy, launch Cursor Cloud Agents that work on code in isolated environments and return pull requests and verification artifacts.RaycastBlazingly fast, extensible productivity launcher for macOS that replaces Spotlight and serves as a keyboard-driven command center. Includes instant app launching, clipboard history, snippet management, window management, calculator, and a built-in AI chat with multiple models. Extension store with 1,000+ community integrations (GitHub, Jira, Linear, Docker). Script commands for shell automation, plus a React/TypeScript API for custom extensions.GitDiagramVisual architecture generator that transforms any GitHub repository into an interactive system design map within seconds. Analyzes repository structures and README documentation to produce validated component flowcharts, dependency graphs, and Mermaid diagrams. Supports direct URL routing by replacing hub with diagram, provides instant export to SVG and PNG formats, and handles private repositories through user-supplied personal access tokens.LinearFast, opinionated project management for software teams with a keyboard-first interface, cycles, roadmaps, and deep GitHub/GitLab integration. Used by Vercel, Anthropic, and Coinbase. The modern Jira alternative that engineering teams actually enjoy using, with a clean design and responsive UI that makes issue tracking feel effortless rather than burdensome.ScalarScalar is an API documentation platform that generates beautiful, interactive API references from OpenAPI specifications. It provides a modern OpenAPI reference interface with dark mode, request examples in multiple languages, and a built-in API client. Available as open-source packages for any framework or as a hosted platform.FastGPTFastGPT is an open-source no-code AI knowledge base platform with 27,000+ GitHub stars and 500,000+ users worldwide. It combines visual workflow orchestration, built-in RAG pipelines, QA-pair extraction, and API-aligned completions into a single deployable stack that runs on just 2GB RAM via Docker one-liner deployment.ZapierThe most popular no-code automation platform connecting 9,000+ apps and app connections to automate workflows without writing code. Features multi-step Zaps with conditional logic, AI Copilot for natural language workflow creation, Tables, Forms, and MCP integration for AI orchestration. Task-based pricing with a free tier at 100 tasks/month. Used by businesses from solo operators to enterprise teams for eliminating repetitive work across their software stack.AppsmithAppsmith is an open-source low-code platform for building internal tools, admin panels, and dashboards. Drag-and-drop UI builder with 45+ widgets, connects to any database or API. Supports JavaScript for custom logic. Self-hostable alternative to Retool with 35K+ GitHub stars.OpenWikiOpenWiki is LangChain’s open-source CLI for generating and maintaining an agent-focused wiki inside a codebase. It can create an openwiki/ documentation folder, update it from repository changes, add guidance to AGENTS.md or CLAUDE.md, and run via an interactive CLI or daily GitHub Action so coding agents have durable context without stuffing every detail into prompts.

Obsidian head-to-head

FAQ

Which Obsidian alternative is listed first?

Notion is first in the editor-selected list of 3 Obsidian alternatives and carries an editorial review score of 86/100. The stored order is editorial; review scores do not determine membership or position.

Are there open-source Obsidian alternatives?

Yes — AppFlowy, Outline are open source.

Are there free Obsidian alternatives?

Yes — Notion, AppFlowy, Outline offer a free plan or free tier.