Top Open Source Projects using Fastify
A curated collection of the 18 best free and open-source projects built using Fastify. Discover popular repositories, architecture patterns, and trending software in 2026.
WunderGraph
Apache-2.0A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.
Vrite
NOASSERTIONA powerful platform for technical writing, offering real-time collaboration, version control, and seamless integrations.
Hive
MITA fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs
Steel
Apache-2.0Open-source browser API designed for AI agents. Run headless browsers with built-in CAPTCHA solving, proxy support, and session management. Quick setup in under 1s.
StatusScout
NOASSERTIONMonitor website uptime, detect security vulnerabilities, find broken links, and simulate user flows. Get instant alerts when issues arise. Free tier available.
Rybbit
AGPL-3.0Get next-gen, open-source, and cookieless web analytics. Understand user behavior with session replays, real-time data, and web vitals. GDPR/CCPA compliant.
OpenPanel
AGPL-3.0Open-source analytics platform covering web traffic, custom events, funnels, retention, session replay, and revenue tracking. GDPR-compliant with optional self-hosting.
Onlook
Apache-2.0Onlook is an open-source desktop app that allows you to visually edit React applications and automatically write changes back to your code in real-time.
Linky
MITBuild a dynamic link-in-bio page with a drag-and-drop editor. Integrate platforms to showcase live content and connect with your audience.
Jarvis
MITFree, open-source macOS voice assistant that transcribes speech, applies AI transformations, and controls apps hands-free. No subscription, no training required.
Infisical
NOASSERTIONEnd-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.
Workbench
MITDesktop app and embeddable dashboard for BullMQ that shows live queue metrics, job runs, FlowProducer graphs, and scheduler status without touching Redis directly.
Leon
MITLeon is an AI-powered virtual assistant that lives on your server, automating tasks and managing your digital life with privacy and customization.
Dittofeed
MITDittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.
Colanode
Apache-2.0Local-first collaboration platform combining real-time chat, rich text pages, databases, and file management in a single self-hostable workspace.
Azimutt
MITAzimutt is a powerful tool for seamlessly exploring, documenting, and optimizing large and complex databases.
AITable
AGPL-3.0Visual database and workflow automation tool with AI-powered features and 6,000+ app integrations

Logseq
AGPL-3.0Local-first, open-source knowledge management tool with bidirectional linking, outlines, flashcards, PDF annotations, and whiteboards for building a connected second brain.