License: Free Personal • Proprietary
Description: Powerful knowledge base that works on top of a local folder of plain text Markdown files.
- $$LaTeX math$$
- [[Internal links]]
- ![[Filename]] to embed notes and other files
- backlinks and graph view
- Command palette
- Open in default app
Other: Obsidian is 100% free for personal and educational use. You don't even need an account to use it. In Obsidian, making and following [[connections]] is frictionless. Tend to your notes like a gardener; at the end of the day, sit back and marvel at your own knowledge graph. Note-taking is incredibly personal.
With Obsidian, your data sits in a local folder. Never leave your life's work held hostage in the cloud again. Plain text Markdown also gives you the unparalleled interoperability to use any kind of sync, encryption, or data processing that works with plain text files.