Cosian
Cosian is an open-source note-taking and knowledge management app designed for personal and collaborative use. It allows users to create a knowledge graph of interconnected notes and resources.
notes
knowledge-management
open-source
Cosian: Open-Source Note-Taking and Knowledge Management
An open-source note-taking and knowledge management app for personal and collaborative use, creating a knowledge graph of interconnected notes and resources.
What is Cosian?
Cosian is an emerging open-source knowledge management and note-taking application developed by Johannes Filter and team. It is designed for both personal use and collaboration, allowing users to create a knowledge graph consisting of digital notes and resources interconnected through semantic links.
Some of the key features of Cosian include:
- Flexible note-taking with support for formatted text, Markdown syntax, images, PDFs, videos and more
- Backlink visualization to see graph connections between notes
- Concept-mapping capabilities to visualize relationships
- Powerful search and filtering options
- Custom tags, hierarchies and attributes
- Collaboration tools like comments, sharing and access controls
- APIs and integrations with apps like JupyterLab and VS Code
- Local-first approach for owning your data while enabling cloud sync
With its focus on connecting ideas and content to see relationships and high-level emergence, Cosian aims to be a next-generation knowledge repository for individuals and teams. Its capabilities for visual knowledge management along with flexible formatting make it versatile for projects and use cases such as research, planning, documentation and more.
Cosian Features
Features
- Create notes and organize into notebooks
- Add tags and links between notes to build a knowledge graph
- Collaborative editing and sharing of notes
- Markdown formatting support
- Attach files and media to notes
- Full-text search
- Sync notes across devices
Pricing
- Open Source
Pros
Free and open source
Great for building a personal knowledge base
Strong knowledge graph features
Good for collaboration and team note-taking
Available on multiple platforms
Cons
Formatting options are limited compared to other note apps
Mobile apps lack some advanced features
Steep learning curve for knowledge graph features
Limited templates and themes
No offline access on mobile
Official Links
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