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

1 with traffic data

Traffic coverage tells you how many sites in view already support stronger prioritization work.

Fastest analyst move

Open caddy.community

Then compare it with cacti.net to tell whether the first result is representative.

Sort:

Has traffic dataMin score:

49/100 trust

caddy.community

Live site data

Discussion about Caddy and the modern Web

web serverreverse proxyopen source

caddy.community

54/100 trust

cacti.net

Live site data

Cacti® - The Complete RRDTool-based Graphing Solution

network monitoringRRDToolopen source

cacti.net

64/100 trust

azzamo.net

Live site data

Azzamo offers fast web hosting, BTCpay & LNbits hosting, and Nostr relays. Build your online presence with secure, reliable solutions.

Web HostingBitcoinCryptocurrency

azzamo.net

64/100 trust

cal.com

Live site data

A fully customizable scheduling software for individuals, businesses taking calls and developers building scheduling platforms where users meet users.

schedulingcalendarSaaS

cal.com

54/100 trust

camart.co.uk

Live site data

| Camart

web developmentsoftware consultingbespoke applications

camart.co.uk

46/100 trust

0x2620.org

Live site data

0x2620

open-sourcecollaborative-archivingnetworked-distribution

0x2620.org

130/mo

26/100 trust

18f.tech

Live site data

18f.tech

government techdigital servicesopen source

18f.tech

34/100 trust

abas.sh

Live site data

abas.sh

developer toolsshellcommand line

abas.sh

15/100 trust

aiograms.org

Live site data

aiograms.org

telegrambotframework

aiograms.org

59/100 trust

ballerina.io

Live site data

Ballerina is an open-source programming language for the cloud that makes it easier to use, combine and create network services.

Programming LanguageOpen SourceCloud Computing

ballerina.io

69/100 trust

basercms.net

Live site data

国産オープンソース（OSS）！『コンテンツ管理に強いCMS（コンテンツマネージメントシステム）』。baser CMS（ベーサーシーエムエス）は、日本人が日本の webクリエイターのために開発しているオープンソースCMSで、コーポレートサイトに最低限必要となるメールフォームやブログが簡単に導入でき、無償（無料）で配布しています。他にも仕組みさえ理解すれば、様々な機能を使え、CakePHPを利用して開発されているので、スタマイズ性、メンテナンス性が高いのが特徴です。

CMSOpen SourceWeb Development

basercms.net

49/100 trust

baylibre.com

Live site data

Home - BayLibre

embedded systemssoftware engineeringopen source

baylibre.com

64/100 trust

beezim.fr

Live site data

Votre partenaire de référence pour l

Open SourceConsultingZimbra

beezim.fr

41/100 trust

adsoria.es

Live site data

Revive Adserver

adserveradvertisingad-tech

adsoria.es

46/100 trust

citron-emu.org

Live site data

Citron - Nintendo Homebrew 1 Emulator

emulatornintendo-switchhomebrew

citron-emu.org

64/100 trust

clickhouse.com

Live site data

ClickHouse is a fast open-source column-oriented database management system that allows generating analytical data reports in real-time using SQL queries

databaseanalyticsopen-source

clickhouse.com

64/100 trust

cloudferro.com

Live site data

CloudFerro provides cloud computing services for Big Data, AI and Earth Observation via European data centers, open-source technology, secure, and scalable.

cloud computingbig dataAI

cloudferro.com

64/100 trust

codeberg.org

Live site data

Codeberg is a non-profit community-led organization that aims to help free and open source projects prosper by giving them a safe and friendly home.

git hostingopen sourcecode repository

codeberg.org

59/100 trust

codeigniter.com

Live site data

The small framework with powerful features

php frameworkweb developmentopen source

codeigniter.com

49/100 trust

ai-bobo.ru

Live site data

free/libre analytics platform

analyticsmatomologin

ai-bobo.ru

26/100 trust

aiderx.app

Live site data

aiderx.app

AIcodingdeveloper tools

aiderx.app

35/100 trust

companion.free

Live site data

Bitfocus Companion User Guide | Bitfocus Companion

stream deckbroadcast softwarehardware control

companion.free

59/100 trust

contao.org

Live site data

Contao is a powerful, accessible open source CMS that allows you to create professional websites and scalable web applications.

CMSopen sourceweb development

contao.org

59/100 trust

coralproject.net

Live site data

Coral improves community on your website through smart technology, effective design, and strategies that work.

open sourcecommenting systemcommunity platform

coralproject.net

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Cluster takeaways

What stands out in Open Source

Fastest representative example

caddy.community and cacti.net are the quickest live reports to open when you need to understand the Open Source cluster.

Trust baseline

The average legitimacy score is 51/100, which suggests a mixed quality posture across this cluster before you open individual reports.

Traffic coverage

4% of indexed sites in this cluster already have traffic data, which gives you thin coverage for cluster-level prioritization instead of pure guesswork.

Dominant technology signal

Unknown shows a dominant recurring technology signal in this cluster, so treat it as a useful pivot rather than a universal pattern.

Audience/topic signal

open source shows a dominant recurring topical signal here, which helps explain where adjacent niche pages and compare opportunities should go next.

Aggregate stats

24indexed sites

1 with traffic data — thin coverage for prioritization.

Avg legitimacy score

51/ 100

mixed quality posture across currently indexed sites.

Traffic rank distribution

Unranked: 24

Top technologies

Detected technology signals in this filtered cluster, not universal market share.

Unknown9Cloudflare7WordPress6React5Shopify1

Use Open Source as a decision shortcut

A directory page reduces the time it takes to move from a broad idea into a shortlist of real domains you can inspect. Treat it as the shortlist layer, not the final answer.

Keep exploring

Where to go after Open Source

Use these links to jump from the directory into live reports, comparisons, and adjacent browse paths without losing context.

Browse path

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.