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Open-source freelancer business tool: invoicing, time tracking, bank connections, Magic Inbox (receipt matching), AI assistant. 14,108 GitHub stars. Bun/Next.js/Supabase/Tauri stack. AGPL-3.0.

Score 88
Midday in action

Where it wins

14,108 GitHub stars — most popular open-source freelancer business tool (3.1x nearest competitor)

119pts Show HN, 36 comments — strong community launch

Self-hostable under AGPL-3.0 — full data control

Bun/Next.js/Supabase/Tauri stack — modern developer-friendly

Magic Inbox for AI receipt matching, Vault for document storage

Bank connections for automated transaction importing

Where to be skeptical

No AI-powered invoice generation yet

AGPL-3.0 license may limit commercial embedding

Focused on freelancers/small teams — not enterprise-grade

No MCP integration

Editorial verdict

Best open-source business tool for freelancers and small teams. 14K+ GitHub stars (3.1x nearest OSS competitor). Strong Show HN (119pts). Self-hostable, bank connections, AI-powered receipt matching. Wins for developers/freelancers who want control over their business stack.

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Public evidence

strong2026-03-20
14,108 GitHub stars, 1,366 forks

Most popular open-source freelancer business tool by a wide margin. 3.1x more stars than nearest competitor Frappe Books (4,480 stars).

14,108 stars, 1,366 forksGitHub community

Raw GitHub source

GitHub README peek

Constrained peek so you can sanity-check the source material without leaving the site.

hero

<p align="center"> <h1 align="center"><b>Midday</b></h1> <p align="center"> Your AI-Powered Business Assistant <br /> <br /> <a href="https://midday.ai">Website</a> · <a href="https://github.com/midday-ai/midday/issues">Issues</a> </p> </p> <p align="center"> <a href="https://go.midday.ai/K7GwMoQ"> </a> </p>

About Midday

Midday is an all-in-one tool designed to help freelancers, contractors, consultants, and solo entrepreneurs manage their business operations more efficiently. It integrates various functions typically scattered across multiple platforms into a single, cohesive system.

Features

Time Tracking: Allows for live time tracking of projects to boost productivity and collaboration, providing insightful project overviews.<br/> Invoicing: An upcoming feature that will enable users to create web-based invoices, collaborate in real-time, and synchronize projects seamlessly.<br/> Magic Inbox: Automatically matches incoming invoices or receipts to the correct transactions, simplifying financial tracking and organization.<br/> Vault: Secure storage for important files like contracts and agreements, keeping everything in one place for easy access​.<br/> Seamless Export: Facilitates easy export of financial data, packaged neatly in CSV files for accountants.<br/> Assistant: Provides tailored insights into financial situations, helping users understand spending patterns, cut costs, and find documents.<br/>

Get started

We are working on the documentation to get started with Midday for local development: https://docs.midday.ai

App Architecture

  • Monorepo
  • Bun
  • React
  • TypeScript
  • Nextjs
  • Supabase
  • Shadcn
  • Tauri
  • Expo
  • TailwindCSS
Hosting
  • Supabase (database, storage, realtime, auth)
  • Railway (API, Worker, Dashboard)
  • Vercel (Website)
  • Cloudflare (Engine, CDN/Proxy)
Services
  • Trigger.dev (background jobs)
  • Resend (Transactional & Marketing)
  • Github Actions (CI/CD)
  • GoCardLess (Bank connection EU)
  • Plaid (Bank connection in Canada and US)
  • Teller (Bank connection in the US)
  • OpenPanel (Events and Analytics)
  • Polar (Payment processing)
  • Typesense (Search)
  • Gemini
  • OpenAI

Repo Activity

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License

This project is licensed under the AGPL-3.0 for non-commercial use.

Commercial Use

For commercial use or deployments requiring a setup fee, please contact us for a commercial license at engineer@midday.ai.

By using this software, you agree to the terms of the license.

View on GitHub →