Best Personal Knowledge Management Software in 2026

In short: Logseq is ranked #1 of 32 as of 5 October 2026, ahead of Obsidian and SiYuan. The best-ranked option with a free plan is Obsidian. The lowest first paid tier on this page is Obsidian at $4.17/mo.

Personal knowledge management software gives you different approaches to organizing notes, references, and connections between ideas. Compare organization models and graph views to understand how material is structured, and consider backlinks as another way to assess relationships among notes. Offline access and supported platforms can shape where you work with your knowledge; import and export matter when moving material between tools. Free plans and paid-from pricing add access context. Logseq, Obsidian, and SiYuan are among the options shown. Consider which structure fits your habits and where you need your notes to be available.

32 personal knowledge management software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

32ranked
15free plans on this page
$4.17/molowest paid tier
5 Oct 2026last checked

15 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.

#AppSignalFree tierOpen codeDevicesFromScore
1LogseqWeb · Windows · Mac · Linux · Android · iPhone Three bars—6 of 6$5/mo6.8
2ObsidianWindows · Mac · Linux · Android · iPhone · Extension Three bars—5 of 6$4.17/mo6.8
3SiYuanWeb · Windows · Mac · Linux · Android · iPhone · Self-hosted · Extension Three bars—6 of 6$64/mo6.8
4SupernotesWeb · Windows · Mac · Linux · Android · iPhone · API Three bars—6 of 6Free6.8
5TheBrainWeb · Windows · Mac · Linux · Android · iPhone · API Three bars—6 of 6$15/mo6.8
6CapacitiesWeb · Windows · Mac · Linux · Android · iPhone Three bars—6 of 6$8.33/mo6.7
7Mem AgentWeb · Windows · Mac · iPhone · Extension Three bars—4 of 6Free6.6
8NeomaWeb · Windows · Mac · Linux · iPhone Three bars—5 of 6A$22/mo6.6
9NotesGraphWeb · Mac · Android · iPhone · Extension Three bars—4 of 6Free6.6
10NotesiumWeb · Windows · Mac · Linux · API Three bars—4 of 6Free6.6
11TanaWeb · Windows · Mac · Linux Three bars—4 of 6$2,030/mo6.6
12TriliumNext NotesWeb · Windows · Mac · Linux · Self-hosted · API · Extension Three bars—4 of 6Free6.6
13RemNoteAndroid · iPhone Two bars—2 of 6$8/mo6.5
14MemexMac · iPhone Two bars—2 of 6Free6.3
15ContinuumNo platforms listed One bar—0 of 6Free6.0
16HeptabaseWeb · Windows · Mac · Linux · Android · iPhone Two bars——6 of 6$8.99/mo5.8
17AnytypeWindows · Mac · Linux · Android · iPhone · Extension Two bars——5 of 6—5.7
18SilverBulletWeb · Windows · Mac · Linux · Android · iPhone · Self-hosted One bar——6 of 6—5.6
19LatticsWeb · Windows · Mac · iPhone Two bars——4 of 6—5.5
20TiddlyWikiWeb · Windows · Mac · Linux · Android · iPhone One bar——6 of 6—5.5
21FoamWindows · Mac · Linux Two bars——3 of 6—5.4
22ZettlrWindows · Mac · Linux Two bars——3 of 6—5.4
23ZimWindows · Mac · Linux Two bars——3 of 6—5.4
24Roam ResearchWeb · Windows · Mac · Linux · Android · iPhone Two bars——6 of 6—5.3
25ScrintalWeb · Windows · Mac One bar——3 of 6—5.3
Compare all 25 in a table
#AppScoreFree planFromFree planPaid fromBacklinksGraph view
1Logseq6.8Free plan$5/moYes———
2Obsidian6.8Free plan$4.17/moYes4 /user/mo——
3SiYuan6.8Free plan$64/moYes———
4Supernotes6.8Free plan—Yes—YesYes
5TheBrain6.8Free plan$15/moYes—YesYes
6Capacities6.7Free plan$8.33/moYes———
7Mem Agent6.6Free plan—Yes———
8Neoma6.6Free planA$22/moYes———
9NotesGraph6.6Free planFreeYes—YesYes
10Notesium6.6Free planFreeYes—YesYes
11Tana6.6Free plan$2,030/moYes30 /user/mo——
12TriliumNext Notes6.6Free planFreeYes—YesYes
13RemNote6.5Free plan$8/moYes———
14Memex6.3Free planFreeYes———
15Continuum6.0Free planFreeYes———
16Heptabase5.8No$8.99/moYes8.99 /user/mo——
17Anytype5.7No—Yes———
18SilverBullet5.6No—————
19Lattics5.5No—Yes———
20TiddlyWiki5.5No—Yes———
21Foam5.4No—Yes———
22Zettlr5.4No—Yes———
23Zim5.4No—Yes———
24Roam Research5.3No—No———
25Scrintal5.3No—————

Is your app on this list?

Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.

Questions about this list

Which personal knowledge management software is ranked first on Freedom251?

Logseq is ranked #1 of 32 with a score of 6.8. Obsidian is second and SiYuan third.

How many of these have a free plan?

15 of the 25 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, Obsidian has the lowest first paid tier we found: $4.17/mo.

How is this list ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.

More in Productivity

All productivity lists