Obsidian is not available as a web app but there are plenty of alternatives that runs in the browser with similar functionality. The best Online alternative is Joplin, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Obsidian and loads of them are available as a web app so hopefully you can find a suitable replacement. Other interesting Online alternatives to Obsidian are Notesnook, Notion, Standard Notes and Simplenote.
acreom is an actionable personal knowledge base for developers. It helps developers ship faster by centralizing personal and team context in one place.
Microsoft Loop is an app designed for co-creation that brings your team and ideas together in one place. With Loop components that sync across apps in real-time, you can stay in sync without switching apps and get more done right where you are.
Your team’s knowledge base Team wiki, documentation, meeting notes, playbooks, onboarding, work logs, brainstorming, & more….
A local-first Markdown workspace that opens real folders in your browser and saves changes directly to .md files on disk.
Supernotes, is a new way to create notes and collaborate with your friends. Quickly create note-cards with diverse content from task lists to maths equations, with full markdown and LaTeX support. You can tag your cards, find relevant keywords, and sort your cards in an instant.
Private, local-first knowledge storage for notes, documents, projects, and files with a distraction-free interface, Markdown support, PARA method, full-text search, favorites, recent notes, portable Markdown data, keyboard shortcuts, offline access, and optional personal cloud sync.
Upload your PDFs, slides, lecture handouts, or notes. Our AI creates clear mind maps and high-quality flashcards with spaced-repetition scheduling, to help you learn 2x faster and ace your next test.
AI connects and organizes notes across your entire library, recommends structure, finds info in text and images, syncs offline across unlimited devices, opens instantly, imports Evernote data, and exports to multiple formats while ensuring user data ownership.
Logycore is a tool that helps small and medium-sized businesses establish an internal knowledge base. It includes specialized features that improve management and ease the owner's workload.
Jade Note is an MCP-native note app that turns your personal knowledge into editable, portable memory for AI assistants.
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