E621 AlternativesImageboards & Image Search Engines like E621

E621 is described as 'Mature imageboard replacement for the image board Sidechan. A general audience imageboard, e926 (formerly e961) complements this site' and is a Imageboard in the online services category. There are eight alternatives to E621, not only websites but also apps for a variety of platforms, including Mac, Linux, Windows and Self-Hosted apps. The best E621 alternative is Hydrus, which is both free and Open Source. Other great sites and apps similar to E621 are rule34.xxx, Gelbooru, Danbooru and yande.re.

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E621 alternatives are mainly Imageboards but may also be Image Search Engines or Image Viewers. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of E621.

E621

Imageboard
Free • Open Source

Mature imageboard replacement for the image board Sidechan. A general audience imageboard, e926 (formerly e961) complements this site.

More about E621

E621 alternatives page was last updated Dec 21, 2023

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Hydrus
48 likes
A personal booru-style media tagger that can import files and tags from your hard drive and popular websites. Content can be shared with other users via user-run servers.
16 Hydrus alternatives
License model
Free • Open Source
Application types
Imageboard
Image Viewer
Platforms
Mac
Windows
Linux
Wine
Flathub
Flatpak
+8
Top Hydrus Features
File Tagging
File Organizer
Built-in Media Downloader
Tag based
Works Offline
Ratings
Ad-free
Portable
Dark Mode
Tagging
Automatic Tagging
Catalogue local images
File preview
Indexed search
Search by tags
Hydrus VS E621
Is Hydrus a good alternative to E621?
- Hydrus is the most popular Windows, Mac & Linux alternative to E621.
- Hydrus is the most popular Open Source & free alternative to E621.
- Hydrus is Free and Open SourceE621 is also Free and Open Source

rule34.xxx
17 likes
At rule34.xxx it's easy to find any kind of porn with our fast search engine. Happy browsing!
8 rule34.xxx alternatives
License model
Free • Proprietary
Application types
Imageboard
Image Search Engine
Platforms
Online
rule34.xxx Features
Tag based
Ad-free
No registration required
Dark Mode
Large database
Warning
NOT FOR KIDS! It contain Pictures of Uncensored nudity.
rule34.xxx VS E621
Is rule34.xxx a good alternative to E621?
- rule34.xxx is the most popular Web-based alternative to E621.
- rule34.xxx is Free and ProprietaryE621 is Free and Open Source

Gelbooru
16 likes
Millions of FREE hentai and anime videos, images, wallpapers, and more! No account needed, updated constantly!
6 Gelbooru alternatives
License model
Free • Proprietary
Application types
Imageboard
Image Search Engine
Platforms
Online
Gelbooru Features
Image Board
Tag based
Dark Mode
No registration required
Adult contents allowed
Ad-free
Warning
NOT FOR KIDS! It contain Pictures of Uncensored nudity.
Gelbooru VS E621
Is Gelbooru a good alternative to E621?

Danbooru
22 likes
Danbooru is an advanced, tag-based image board system that is based on Ruby On Rails.
9 Danbooru alternatives
License model
Freemium • Open Source
Application types
Imageboard
Image Search Engine
Platforms
Online
Danbooru Features
Tag based
Warning
NOT FOR KIDS! It contain Pictures of Uncensored nudity.
Danbooru VS E621
Is Danbooru a good alternative to E621?

yande.re
13 likes
yande.re is an anime-focused imageboard, or "booru", that utilizes a comprehensive tag system to categorize and archive images for easy browsing and discovery.
6 yande.re alternatives
License model
Free • Open Source
Application type
Imageboard
Platforms
Online
yande.re Features
Reverse Image Search
Tag based
+1
Warning
NOT FOR KIDS! It contain Pictures of Uncensored nudity.
yande.re VS E621
Is yande.re a good alternative to E621?

Konachan
12 likes
Konachan is an anime-focused imageboard, or "booru", that utilizes a comprehensive tag system to categorize and archive images for easy browsing and discovery.
6 Konachan alternatives
License model
Free • Open Source
Application type
Imageboard
Platforms
Online
Konachan Features
Reverse Image Search
Tag based
+1
Warning
NOT FOR KIDS! It contain pictures of uncensored nudity.
Konachan VS E621
Is Konachan a good alternative to E621?

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Fur Affinity
12 likes
Fur Affinity is an online art gallery dedicated to anthropormophic and furry artwork.
15 Fur Affinity alternatives
License model
Free • Proprietary
Application types
Imageboard
Art / Design Community
Platforms
Online
Fur Affinity Features
Ad-free
No registration required
Fur Affinity VS E621
Is Fur Affinity a good alternative to E621?

Szurubooru
3 likes
Szurubooru is an image board engine inspired by services such as Danbooru, Gelbooru and Moebooru dedicated for small and medium communities.
5 Szurubooru alternatives
License model
Free • Open Source
Application types
Imageboard
Image Viewer
Platforms
Mac
Linux
Self-Hosted
Szurubooru Features
Ad-free
Tagging
Szurubooru VS E621
Is Szurubooru a good alternative to E621?
- Szurubooru is the most popular Self-Hosted alternative to E621.
- Szurubooru is Free and Open SourceE621 is also Free and Open Source