Top Open Source Projects using Preact

Zulip

Apache-2.0

★ 25,775

Zulip is an open-source team chat app that uses threaded conversations to keep communication organized and efficient for teams of all sizes.

VictoriaMetrics

Apache-2.0

★ 17,599

Time series database and monitoring platform compatible with Prometheus, handling billions of metrics with lower resource usage than most alternatives.

Tracecat

AGPL-3.0

★ 3,780

Tracecat is a scalable, self-hostable platform for automating security workflows and playbooks without limits.

Tailscale

BSD-3-Clause

★ 35,633

Deploy a modern WireGuard-based VPN with zero configuration. Connect devices securely across clouds, VPCs, and on-premises networks without firewall rules.

Semaphore

NOASSERTION

★ 1,586

Continuous integration and delivery platform offering faster builds, lower costs, and maintenance-free operations. Cut build times dramatically while reducing CI/CD expenses by 50%.

Hanko

NOASSERTION

★ 9,015

Open source authentication platform supporting passkeys, 2FA, SSO, and social login. Self-host or use Hanko Cloud, with full control over your data and no lock-in.

Gladys Assistant

Apache-2.0

★ 3,156

Privacy-first home automation platform that runs locally on your hardware, supports Zigbee, Matter, and MQTT, and lets you automate your home without coding.

Ghost

MIT

★ 55,072

Publish content, send email newsletters, and sell paid subscriptions from one platform. Used by independent journalists, creators, and businesses like YCombinator and Kickstarter.

Frontman

NOASSERTION

★ 679

Open-source AI coding agent that runs in your browser, sees your live DOM and app state, and makes real code edits from plain English descriptions.

CourseLit

AGPL-3.0

★ 1,260

An open-source platform for building and selling online courses, featuring customizable themes, integrated payments, and user management.

Cossistant

AGPL-3.0

★ 715

Open-source support platform combining AI and human agents. React components with shadcn/ui design philosophy, styled with Tailwind CSS for NextJS apps.

Builder

MIT

★ 8,808

Drag-and-drop interface for creating and optimizing digital experiences, with headless CMS and powerful integrations.

BugPin

AGPL-3.0

★ 30

Embeds a lightweight widget into web apps so users can capture screenshots, annotate issues, and submit reports with console logs and browser metadata included.

Bluesky

MIT

★ 18,241

A decentralized social network focused on fostering meaningful interactions and giving users control over their data and experience.

Fathom Lite

MIT

★ 8,013

A simple, privacy-first analytics platform that provides valuable website insights without compromising visitor data or requiring cookie consent banners.