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Open Source Projects using Clerk

A curated collection of the 15 best open source software using Clerk. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Novu

Multi-channel notification infrastructure for apps

  • Stars

    40,279

  • Last commit

    15 hours ago

  • License

    Unknown
Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.

Open Source Alternative to:

Customer.io

Supabase

Postgres-powered backend platform for production apps

  • Stars

    Stars growing over the last 30 days114,547

  • Last commit

    5 hours ago

  • License

    Apache-2.0
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.

Open Source Alternative to:

Firebase

LobeChat

AI
Manage, build, and run AI agent teams around the clock

  • Stars

    83,962

  • Last commit

    5 hours ago

  • License

    Unknown
A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant oversight.

Open Source Alternative to:

Claude

Tldraw

Free instant whiteboard with real-time collaboration

  • Stars

    51,255

  • Last commit

    18 hours ago

  • License

    Unknown
Virtual whiteboard that works instantly on any device, no signup required, with real-time multiplayer collaboration built in.

Open Source Alternative to:

Miro

CopilotKit

AI
Build AI copilots for your product in hours, not months

  • Stars

    38,527

  • Last commit

    13 hours ago

  • License

    MIT
Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.

Open Source Alternative to:

LangChain

Convex

Build full-stack apps with TypeScript and real-time sync

  • Stars

    12,778

  • Last commit

    7 hours ago

  • License

    Unknown
Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.

Open Source Alternative to:

Supabase

TinaCMS

Visual editing for your Git-based content

  • Stars

    13,868

  • Last commit

    6 hours ago

  • License

    Apache-2.0
A headless CMS that simplifies content management with real-time editing, Git-based workflows, and developer-friendly customization.

Open Source Alternative to:

WordPress

Anarlog

AI
Private meeting notes, no bots, files you own

  • Stars

    Stars growing over the last 30 days9,773

  • Last commit

    6 hours ago

  • License

    MIT
Records system audio without joining your call, then turns rough notes into editable summaries. Audio, transcripts, and notes stay as local files.

Open Source Alternative to:

Granola

Instant

Realtime client-side database for collaborative apps

  • Stars

    10,562

  • Last commit

    7 hours ago

  • License

    Apache-2.0
Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.

Open Source Alternative to:

Supabase

UnKey

Secure, scalable API key management for developers

  • Stars

    5,483

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Streamline API authentication with UnKey's powerful, developer-friendly platform for creating, revoking, and monitoring API keys.

Open Source Alternative to:

Kong

Inngest

Effortless event-driven workflows for modern applications

  • Stars

    6,021

  • Last commit

    6 hours ago

  • License

    SSPL-1.0
Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.

Open Source Alternative to:

Kafka

Maple

OpenTelemetry observability with traces, logs, and metrics

  • Stars

    Stars growing over the last 30 days1,945

  • Last commit

    11 hours ago

  • License

    Unknown
Observability platform built on OpenTelemetry and ClickHouse. Collect, visualize, and query distributed traces, logs, and metrics, with an MCP server for AI agent diagnostics.

Open Source Alternative to:

DataDog

Flowglad

AI
Cross-system automation and knowledge base for accounting firms

  • Stars

    1,722

  • Last commit

    6 months ago

  • License

    Unknown
Connects client data across tools, automates recurring accounting workflows, and maintains a self-updating knowledge base with human approval controls.

Pearl

AI
AI-powered automation that lives in your Slack workspace

  • Stars

    1,098

  • Last commit

    6 months ago

  • License

    Apache-2.0
Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent task automation.

Open Source Alternative to:

Viktor

Manage

Self-hostable project management for tasks, events and docs

  • Stars

    71

  • Last commit

    3 months ago

  • License

    AGPL-3.0
Project management app with task lists, calendar, files, docs and full-text search. Self-host it on your own infrastructure with team roles and permissions.

Open Source Alternative to:

Jira
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