What are knowledge management communities?

Online communities for personal knowledge management (PKM), second brain systems, and knowledge workers. Explore tools like Obsidian, Roam Research, Notion, and approaches like zettelkasten for organizing and leveraging your personal knowledge.

Where do most knowledge management communities live?

Discord is the most common platform in this report (40% of 10 listings).

Are most of these communities free?

80% are free to join. The rest require payment, an application, or both.

How big is a typical knowledge management community?

Among listings with public size data, the average is 190K members and the median is 190K.

What do these communities usually include?

Live Chat is the most common (70%). Others that show up often include forum, online/offline events, and paid community.

How does Hive Index collect this data?

Listings are submitted by community builders and researchers, reviewed for relevance, and updated with platform, feature, member, review, and traffic data where available.

Where can I see the full list?

The full directory is on Hive Index's Knowledge Management topic page, where you can filter by platform, size, features, and more.

Knowledge Management Communities Report: Stats,...

Executive Summary

We analyzed 10 knowledge management communities listed on Hive Index to understand where people gather, what these groups offer, and which communities attract the most interest.

The big picture: In this smaller sample, most knowledge management communities are free to join, so the space is easy to explore.

Source: Hive Index community database · Updated 2026-06-08

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Communities: 10
Platforms: 5
Avg members: 190K
Median members: 190K

Where Knowledge Management Communities Are Hosted

Discord
4(40%)
Discourse
2(20%)
Circle
2(20%)
Slack
1(10%)
Independent Platforms
1(10%)

Format mix

Chat communities
5(50%)
Forum / feed-based
3(30%)
Private membership
2(20%)

Chat communities is most common (50%), but forum / feed-based is also well represented (30%).

Discord leads (40% of listings).

Audience Size & Access

Community size

Tiny
<20 members
0(0%)
Small
20-100 members
0(0%)
Medium
100-1,000 members
0(0%)
Large
1,000-10,000 members
0(0%)
Huge
10,000-100,000 members
0(0%)
Massive
100,000-1M members
1(10%)
Gigantic
1M+ members
0(0%)

9 communities have unknown member counts.

Free vs paid

Most communities are free to join.

How Knowledge Management Differs From Other Categories

Knowledge Management is larger, and more chat-heavy, compared with typical Hive Index topics.

Metric	Knowledge Management	Hive Index average
Free to join	80%	85%
Median members	190K	25K
Average members	190K	669K
Paid or apply-to-join	20%	15%
Live chat	70%	38%
Discord share	40%	16%

Feature Mix

Common features appear in at least 15% of listings.

Common Features

Live Chat
70%
Forum
40%
Online/Offline Events
30%
Paid Community
20%

Live Chat appears on 70% of listings.

What Visitors Click

Outbound clicks / mo: 5

Platform supply vs. clicks

Platform	Communities	Share of communities	Outbound clicks	Share of clicks
Discord	4	40%	2	50%
Discourse	2	20%	2	50%

Share is calculated within this topic.

Discord hosts 40% of listings and 50% of clicks, so supply and interest line up.

Most-clicked formats

Chat communities
2(50%)
Forum / feed-based
2(50%)

Most-clicked features

Forum
2(50%)
Live Chat
2(50%)

Top-clicked listings

Knowledge Workers Forum
2(50%)
Obsidian Discord
1(25%)
Logseq Community
1(25%)

Most clicks go to chat communities and forum / feed-based communities.

Methodology & FAQ

Methodology

This report uses communities in the Hive Index database tagged as Knowledge Management. We exclude removed or suppressed listings. Member counts, traffic, features, reviews, and ratings may vary by source and are updated periodically.

•We only have a handful of listings so far, so treat these numbers as directional.
•Last updated 2026-06-08

FAQ

: Online communities for personal knowledge management (PKM), second brain systems, and knowledge workers. Explore tools like Obsidian, Roam Research, Notion, and approaches like zettelkasten for organizing and leveraging your personal knowledge.
: Discord is the most common platform in this report (40% of 10 listings).
: 80% are free to join. The rest require payment, an application, or both.
: Among listings with public size data, the average is 190K members and the median is 190K.
: Live Chat is the most common (70%). Others that show up often include forum, online/offline events, and paid community.
: Listings are submitted by community builders and researchers, reviewed for relevance, and updated with platform, feature, member, review, and traffic data where available.
: The full directory is on Hive Index's Knowledge Management topic page, where you can filter by platform, size, features, and more.