Topics & Niches
Top Open Source Websites
Browse live examples related to Open Source, then open the strongest domains to inspect traffic, SEO, business posture, and trust signals in more detail.
Cluster total
2,328
Use the full cluster to move from a broad theme into a smaller report shortlist.
Cluster coverage
0 with traffic data
Traffic coverage tells you how many sites in view already support stronger prioritization work.
Fastest analyst move
Open lichess.org
Then compare it with dify.ai to tell whether the first result is representative.
Sort:
54/100 trust
lichess.org
Live site data
lichess.org • Free Online Chess
chessonline gamingfree software
lichess.org
67/100 trust
dify.ai
Live site data
Unlock agentic workflow with Dify. Develop, deploy, and manage autonomous agents, RAG pipelines, and more for teams at any scale, effortlessly.
AIagentic workflowRAG
dify.ai
54/100 trust
iconify.design
Live site data
All popular icon sets, one framework
iconsopen-sourcevector-graphics
iconify.design
56/100 trust
discourse.group
Live site data
Can’t find the answer to your question? We’re here to help.
forum-softwarecommunity-platformopen-source
discourse.group
64/100 trust
discourse.org
Live site data
The customizable, scalable community platform powering over 22,000 communities. Create knowledge through conversation.
community platformforum softwareSaaS
discourse.org
64/100 trust
discuss.online
Live site data
Lemmy
fediverselemmyforum
discuss.online
59/100 trust
esolangs.org
Live site data
Esolang, the esoteric programming languages wiki
esoteric programming languageswikiprogramming
esolangs.org
54/100 trust
djangoproject.com
Live site data
The web framework for perfectionists with deadlines | Django
web frameworkpythonopen source
djangoproject.com
59/100 trust
dmoj.ca
Live site data
Practice problem solving and compete against others on the DMOJ, a modern contest platform and archive of programming problems.
competitive programmingonline judgecoding contests
dmoj.ca
64/100 trust
dnscrypt.info
Live site data
DNSCrypt version 2 - Official Project Home Page | DNSCrypt
DNS encryptioncybersecurityprivacy
dnscrypt.info
64/100 trust
libtorrent.org
Live site data
A feature complete BitTorrent protocol implementation as a C++ library
BitTorrentC++ libraryopen source
libtorrent.org
56/100 trust
dot.net
Live site data
.NET is a developer platform with tools and libraries for building any type of app, including web, mobile, desktop, games, IoT, cloud, and microservices.
microsoftdotnetdeveloper-tools
dot.net
54/100 trust
dotclear.watch
Live site data
DotclearWatch / Blog
blogcmsopen-source
dotclear.watch
59/100 trust
fbreader.org
Live site data
An ePub reader supporting Readium LCP DRM. Also opens fb2 and other formats. Free, fast, configurable. Network book sources, custom OPDS, cloud sync.
ebook readerepubfb2
fbreader.org
49/100 trust
httpbingo.org
Live site data
go-httpbin(1): HTTP Client Testing Service
httpapitesting
httpbingo.org
64/100 trust
duplicati.com
Live site data
Duplicati is a free, open-source backup solution that offers zero-trust, fully encrypted backups for your data. Integrating with all major cloud providers ensuring your data is securely stored and easily accessible.
backup softwareopen sourcedata security
duplicati.com
59/100 trust
dwservice.net
Live site data
DWService offers a service that allows remote access to systems using a standard web browser.
remote desktopremote accessopen source
dwservice.net
54/100 trust
feddit.nl
Live site data
Lemmy
fediverselemmyreddit-alternative
feddit.nl
59/100 trust
calyxos.org
Live site data
CalyxOS
mobile operating systemprivacysecurity
calyxos.org
54/100 trust
federated.nexus
Live site data
Federated Nexus is a community resource hosting multiple FOSS (especially federated) services, including Matrix and Forgejo.
open sourcefederated servicesFOSS
federated.nexus
64/100 trust
fedi.monster
Live site data
Fedi.monster, simple and reliable Mastodon instance hosting
fediversemastodoninstance hosting
fedi.monster
59/100 trust
fediscience.org
Live site data
About - FediScience.org
mastodonfederatedsocial-network
fediscience.org
51/100 trust
fedibird.com
Live site data
fedibird.com - Fedibird
fediversemastodondecentralized
fedibird.com
54/100 trust
happ.su
Live site data
Happ - Proxy Utility
proxyvpnprivacy
happ.su
FAQ
Questions about Open Source
These pages should help visitors understand both the list itself and the next best navigation move.
What can I learn from the Open Source topic page?
Use this page to scan websites connected to Open Source, open the strongest candidates, and compare their detailed report modules before making a decision.
What is the difference between a topic page and a category page?
A topic page is more editorial and audience oriented. It is useful when you care about niche intent and content themes more than formal business classification.
How should I use topic pages in a research workflow?
Start with the topic, identify standout domains, then use the report modules to judge authority, monetization posture, and technical sophistication.