Best Notesium Alternatives in 2026

20 apps from personal knowledge management software ranked against Notesium on the same published basis.

  1. 1Notesium vs SiYuan
  2. 2Notesium vs TheBrain
  3. 3Notesium vs Logseq
  4. 4Notesium vs Obsidian
  5. 5Notesium vs Supernotes
  6. 6Notesium vs Capacities
  7. 7Notesium vs Mem Agent
  8. 8Notesium vs Tana
  9. 9Notesium vs TriliumNext Notes
  10. 10Notesium vs NotesGraph
  11. 12Notesium vs Heptabase
  12. 13Notesium vs Neoma
  13. 14Notesium vs RemNote
  14. 15Notesium vs Anytype
  15. 16Notesium vs Memex
  16. 17Notesium vs Roam Research
  17. 18Notesium vs SilverBullet
  18. 19Notesium vs Lattics
  19. 20Notesium vs TiddlyWiki
  20. 21Notesium vs Foam

Notesium alternatives compared

#AppScoreFree planFromRuns on
1SiYuan7.6Free plan$64/moAndroid, Browser, iOS, Linux, Mac, self-hosted, Web, Windows
2TheBrain7.6Free plan$15/moAndroid, API, iOS, Linux, Mac, Web, Windows
3Logseq7.5Free plan$5/moAndroid, iOS, Linux, Mac, Web, Windows
4Obsidian7.5Free plan$4.17/moAndroid, Browser, iOS, Linux, Mac, Windows
5Supernotes7.5Free plan—Android, API, iOS, Linux, Mac, Web, Windows
6Capacities7.4Free plan$8.33/moAndroid, iOS, Linux, Mac, Web, Windows
7Mem Agent7.3Free plan—Browser, iOS, Mac, Web, Windows
8Tana7.2Free plan$2,030/moLinux, Mac, Web, Windows
9TriliumNext Notes7.2Free planFreeAPI, Browser, Linux, Mac, self-hosted, Web, Windows
10NotesGraph7.1Free planFreeAndroid, Browser, iOS, Mac, Web
12Heptabase7.0No$8.99/moAndroid, iOS, Linux, Mac, Web, Windows
13Neoma7.0Free planA$22/moiOS, Linux, Mac, Web, Windows
14RemNote7.0Free plan$8/moAndroid, iOS
15Anytype6.8No—Android, Browser, iOS, Linux, Mac, Windows
16Memex6.7Free planFreeiOS, Mac
17Roam Research6.4No—Android, iOS, Linux, Mac, Web, Windows
18SilverBullet6.4No—Android, iOS, Linux, Mac, self-hosted, Web, Windows
19Lattics6.3No—iOS, Mac, Web, Windows
20TiddlyWiki6.2No—Web, Windows, Mac, Linux, iOS, Android
21Foam6.1No—Linux, Mac, Windows
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Questions about Notesium alternatives

What is the best alternative to Notesium?

SiYuan, number 1 in personal knowledge management software with a score of 7.6 out of 10. The others here: TheBrain, Logseq, Obsidian and 16 more.

What is the best free alternative to Notesium?

SiYuan is the best-ranked alternative with a free plan. 13 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.