All SaaS

Weaviate

weaviate.io

Open source

Open-source vector database tool.

WebDB

webdb.app

Open source

Efficient database IDE.

Webiny

webiny.com

Open source

Open-source alternative to Contentful.

Webstudio

webstudio.is

Open source

Open-source alternative to Wix.

WebThings Gateway

webthings.io

Open source

WebThings is an open source implementation of the Web of Things, including the WebThings Gateway and the WebThings Framework.

Webtor

github.com

Open source

Web-based torrent client with instant audio/video streaming.

webtrees

webtrees.net

Open source

Webtrees is the web's leading online collaborative genealogy application.

Weechat

weechat.org

Open source

Fast, light and extensible chat client.

WeKan

github.com

Open source

Open-source alternative to Trello.

wger

wger.de

Open source

Web-based personal workout, fitness and weight logger/tracker. It can also be used as a simple gym management utility and offers a full REST API as well.

Whisper

openai.com

Open source

Robust speech recognition via large-scale weak supervision.

whisper-ctranslate2

github.com

Open source

A Whisper CLI client compatible with the original OpenAI client, using CTranslate2 for faster inference.

whisper.cpp

github.com

Open source

Port of OpenAI's Whisper model in C/C++.

wildduck

wildduck.email

Open source

Scalable no-SPOF IMAP/POP3 mail server.

Windmill

windmill.dev

Open source

Open-source alternative to Retool.

Wingfit

wingfit.fr

Open source

Minimalist fitness app to plan your workouts, track your personal records and leverage smartwatch data.

WinterCMS

wintercms.com

Open source

Speedy and secure content management system built on the Laravel PHP framework.

WonderCMS

wondercms.com

Open source

WonderCMS is the smallest flat file CMS since 2008.

WooCommerce

woocommerce.com

Open source

WordPress based e-commerce solution.

WordPress

wordpress.org

Open source

World's most-used blogging and CMS engine.

Wren AI

getwren.ai

Open source

An open-source text-to-SQL and generative BI agent with a semantic layer.

WriteFreely

writefreely.org

Open source

Writing software for starting a minimalist, federated blog — or an entire community.

Xandikos

github.com

Open source

Open source CardDAV and CalDAV server with minimal administrative overhead, backed by a Git repository.

XBackBone

xbackbone.app

Open source

A simple, fast and lightweight file manager with instant sharing tools integration, like ShareX (a free and open-source screenshot utility for Windows).