Topic

Tools for invoicing and getting paid · Open source

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Watching this group for 24 days, checked once a day · how we check

An open-source Next.js starter kit with auth, Stripe billing, and Mailtrap email already wired up, for developers bootstrapping a SaaS.

Watch out · Blank-slate scaffolding, not a finished product

Open source
What to know
How it works
Pre-built scaffolding for auth, multi-tenancy, Stripe billing, and transactional email via Mailtrap
Best for
Developers and indie hackers starting a new SaaS project
Watch out
Blank-slate scaffolding, not a finished product
Details →

NodeDR POS

LiveWatched 7d

Lets retail shops run a point of sale offline on their own machine instead of paying for a subscription POS.

FreeOpen sourceNo subscription
What to know
How it works
runs locally, no internet required, data never leaves the store
Pricing
free, no subscription
Details →

Soseki

LiveWatched 8d

An open-source all-in-one business back office for freelancers and small agencies, replacing separate invoicing, project, and expense tools.

Open source
What to know
How it works
Manages clients, projects, invoices, payments, expenses, and questionnaires in one workspace; includes multi-currency invoicing and AI-assisted data migration.
Best for
Freelancers, consultants, and small agencies juggling multiple admin tools.
Details →

FeeBook

LiveWatched 9d

A free mobile app for independent tutors to track partial payments, attendance, and send homework via WhatsApp deep-links.

FreeOpen source
What to know
How it works
A mobile-first tool for independent tutors to track partial cash/UPI payments without spam reminders to parents, couples financial ledgers with monthly attendance tracking, and sends 1-click homework broadcasts via WhatsApp deep-links.
Pricing
Open-source and 100% free for solo educators.
Best for
Independent tutors and small coaching businesses.
Details →

FreelanceFlow

LiveWatched 24d

A self-hosted client, project and invoice tracker you deploy yourself for a one-time $49 instead of paying HoneyBook or Bonsai monthly. Built for developer-comfortable freelancers, not a no-code SaaS pick.

Open sourcePay onceNo subscription
What to know
How it works
Manage clients, projects, and invoices in one place: track billable hours, generate invoice PDFs, and monitor monthly revenue with a built-in chart. Self-hosted on your own Railway + Supabase stack, built with React 19, Express 5, PostgreSQL, and Drizzle ORM, deployable in under 15 minutes.
What's different
Sold as a one-time $49 purchase with full source code (MIT licensed) instead of paying HoneyBook ($19/month) or Bonsai ($25/month) recurring fees.
Pricing
One-time $49 purchase, no recurring fees.
Best for
Freelance developers, designers, and consultants at $0-$5k/month who want a real CRM before paying for Bonsai.
Details →

ICTUstad

LiveWatched 24d

Open-source, self-hosted Laravel software for ISPs and home-service businesses to run their own booking and billing platform — a build-it-yourself alternative to hosted SaaS.

Open sourceSelf-hosted
What to know
How it works
An open-source, Laravel-based, white-label software solution for launching and managing an on-demand home service platform, with integrated billing support, covering services like plumbing, electrical, carpentry and repairs.
What's different
Fully open-source and self-hosted, letting entrepreneurs and ISPs build their own branded platform rather than use hosted SaaS.
Best for
ISPs and entrepreneurs who want to launch their own home-service booking platform rather than pay for a hosted alternative.
Details →

MCP-Billing

LiveWatched 5d
FreeOpen sourceSelf-hosted
Details →

InvoiceAI

Not respondingWatched 5d
Works offlineOpen source
Details →