r/PKMS is a subreddit with 77k members. The most common kinds of discussions are solution requests and self-promotion, and the community frequently discusses pkm, notes, pkms, app, and tools, and they frequently recommend/review note-taking app, notes app, and ai tools.
Personal Knowledge Management (PKM) includes methods and tools used for individuals to classify, store, and organize the information they learn and experience in their daily lives. There are a few objectives to this, including improving memory/recollection and creativity/idea creation.
Personal Knowledge Management Systems (PKMS) include methods like the Zettlekasten System and digital tools such as [[Logseq]]. Mind mapping could also be considered a method of PKM.
Popular Themes in r/PKMS
#1
Solution Requests
: "Notion, Obsidian, Jira... still not happy. What am I missing?"
1 post
#2
Self-Promotion
: "I got tired of MarginNote being iPad-only, so I spent the last years building a PDF → mind map tool for Android and the browser (iOS soon)"
1 post
Popular Topics in r/PKMS
#1
Pkm
95 posts
#2
Notes
78 posts
#3
Pkms
57 posts
#4
App
53 posts
#5
Tools
35 posts
#6
System
35 posts
#7
Ai
34 posts
#8
Management
30 posts
#9
Organize
28 posts
#10
Obsidian
: "Notion, Obsidian, Jira... still not happy. What am I missing?"
24 posts
Products Discussed in r/PKMS
Note-taking App
24 reviews
#1
Joplin
4.5★ from 2 reviews
#2
SiYuan
4.5★ from 2 reviews
#3
Anytype
4.0★ from 2 reviews
Notes App
12 reviews
#1
Obsidian
4.7★ from 3 reviews
#2
Heptabase
4.0★ from 2 reviews
#3
AnyType
4.0★ from 2 reviews
Ai Tools
5 reviews
#1
Qolaba AI
4.0★ from 1 review
#2
Suno AI
4.0★ from 1 review
#3
Otter AI
5.0★ from 1 review
Flair Used in r/PKMS
#1
Discussion
: "This sub became beyond useless with endless promotions of crap apps and market research posts"
96 posts
#2
Method
: "My PKMS for memory"
31 posts
#3
Other
: "12,000 notes in Obsidian. I just realized I haven't opened any of them in 6 months. What's the point?"
25 posts
#4
Feature
: "Infinite canvas as knowledge graphs are so underrated"
11 posts
#5
Free Chrome Extension
: "Chrome extension that auto-saves AI chats into a vault as clean Markdown"
1 post
#6
Announcement
: "I need help with moderating this subreddit."
1 post
#7
Self-Promotion
: "Self promotion thread (August 2026)"
1 post
#8
Project
: "I built a local-LLM harness that turns your daily journal into a personal wiki — people, pets, and projects, fully offline"
1 post
#9
Write-up
: "How One Line Becomes an Article: My Obsidian Writing Process"
1 post
#10
Obsidian Plugin
: "Obsidian BookOrbit Sync - A plugin to sync reading highlights from BookOrbit to Obsidian"
1 post
Member Growth in r/PKMS
Yearly
+24k members(44.8%)
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About
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Last updated: August 13, 2026