r/PKMS is a subreddit with 70k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses pkm, notes, ai, pkms, and app, and they frequently recommend/review pkms, note-taking app, and notes app.
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
: "Struggling to find one tool for everything (Telegram, Google Docs, Instagram, Notes…)"
25 posts
#2
Advice Requests
: "Anyone here running a more emotionally or philosophically driven PKM/journal system?"
13 posts
#3
Ideas
: "1000 hours building a canvas-based second brain - what I learned about spatial PKM vs hierarchical vaults (won't promote)"
3 posts
#4
Self-Promotion
: "I'm looking for a few testers before I launch my PKMS, Midline"
2 posts
#5
Pain & Anger
: "The Productivity Tools Overload Is Real. Here’s My Solution"
1 post
Popular Topics in r/PKMS
#1
Pkm
: "Who has had a Pkm system used for 3+ years that they can truly say is working for them?"
70 posts
#2
Notes
: "How do you turn daily Notes and work experience into reusable skills, not just more Notes?"
49 posts
#3
Ai
: "Looking for a 100% Ai-free alternative to Notion"
41 posts
#4
Pkms
: "I'm looking for a few testers before I launch my Pkms, Midline"
33 posts
#5
App
: "Future and App proof"
32 posts
#6
Obsidian
: "I made an awesome list of FOSS apps compatible with the Obsidian vault format"
28 posts
#7
Knowledge
: "My brain is fried. How do you manage Knowledge without drowning in it?"
24 posts
#8
Tool
: "in the age of AI, what's the actual edge of a PKM Tool?"
20 posts
#9
Notion
: "Looking for a 100% AI-free alternative to Notion"
16 posts
#10
System
: "Why is everybody building tools or new Systems and assumes he has found the holy grail of note-taking?"
16 posts
Products Discussed in r/PKMS
Pkms
175 reviews
#1
Obsidian
4.5★ from 17 reviews
#2
Logseq
4.4★ from 10 reviews
#3
Notion
3.7★ from 10 reviews
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
Flair Used in r/PKMS
#1
Discussion
: "I'm looking for a few testers before I launch my PKMS, Midline"
126 posts
#2
Method
: "Does anyone track and plan their day to day like this?"
38 posts
#3
Other
: "Otterly: A local-first Markdown editor built in Rust (Tauri) + Svelte"
16 posts
#4
Feature
: "Canvas and documents should be one workflow"
11 posts
#5
Need Testing
: "Built a free, open-source markdown editor with live math and diagram preview"
1 post
Member Growth in r/PKMS
Yearly
+21k members(43.9%)
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Last updated: June 7, 2026