Logseq is a joyful, open-source outliner that works on top of local plain-text Markdown and Org-mode files. Use it to write, organize and share your thoughts, keep your to-do list, and build your own digital garden.
Logseq includes the following features:
1. Backlink
2. Knowledge Graph
3. Page and block references
4. Page and block embeds
5. Tasks & Todos
6. SRS Cards
7. Zotero integration
8. Youtube, Twitter, etc. integration
9. Audio recorder
10. Powerful queries
11. Whiteboards