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9 jobs · 18 apps

Best open source software for small business

For a small business, a self-hosted stack starts with Odoo for accounting, Twenty for customers and Ever Gauzy for inventory. Each section takes the top-ranked apps in one catalog category, scored on GitHub stars, commits in the last year, Docker images, open-source licenses, project websites, recent commits and deploy guides.

A small business stack built from self-hostable apps, ranked with the small-business profile: stars, activity, Docker images, open-source licenses and appsgit deploy guides.

Updated · data from GitHub, refreshed nightly

Top picks

  1. Rank 1:

    Odoo

    odoo/odoo

    Free open source ERP system.

    ERP & InventoryPythonDocker

    Odoo has 54,848 GitHub stars, uses the LGPL-3.0 license, ships a Docker image and had 10,679 commits in the last year; it replaces QuickBooks and Square POS.

  2. Rank 2:

    ERPNext

    frappe/erpnext

    ERP system to help you run your business.

    ERP & InventoryPythonDocker

    ERPNext has 39,821 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 6,664 commits in the last year; it replaces QuickBooks and Square POS.

1 of 9 · 2 picks

Accounting and invoicing

  1. 1

    Odoo

    Free open source ERP system.

    Odoo has 54,848 GitHub stars, uses the LGPL-3.0 license, ships a Docker image and had 10,679 commits in the last year; it replaces QuickBooks and Square POS.

  2. 2

    ERPNext

    ERP system to help you run your business.

    ERPNext has 39,821 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 6,664 commits in the last year; it replaces QuickBooks and Square POS.

2 of 9 · 2 picks

CRM

  1. 1

    Twenty

    A modern CRM offering the flexibility of open source, advanced features, and a sleek design.

    Twenty has 57,949 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 7,656 commits in the last year; it replaces Salesforce and HubSpot.

  2. 2

    Krayin

    CRM solution for SMEs and Enterprises for complete customer lifecycle management.

    Krayin has 23,970 GitHub stars, uses the MIT license, ships a Docker image and had 483 commits in the last year; it replaces Salesforce and HubSpot.

3 of 9 · 2 picks

ERP and inventory

  1. 1

    Ever Gauzy

    Open business management platform for collaborative, on-demand and sharing economies (ERP/CRM/HRM/ATS/PM).

    Ever Gauzy has 8,194 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 1,967 commits in the last year; it replaces BambooHR and Workday.

  2. 2

    Dolibarr

    Modern CRM software package to manage your company or foundation activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...).

    Dolibarr has 7,686 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 8,073 commits in the last year; it replaces Square POS and Shopify POS.

4 of 9 · 2 picks

Point of sale

  1. 1

    Open Source POS

    Open Source Point of Sale is a web based point of sale system.

    Open Source POS has 4,420 GitHub stars, uses the MIT license, ships a Docker image and had 290 commits in the last year; it replaces Square POS and Shopify POS.

  2. 2

    Lakasir

    Simple Laravel POS with product and stock management, purchasing, vouchers, receivables, barcode support and USB thermal printing.

    Lakasir has 911 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 155 commits in the last year; it replaces Square POS and Shopify POS.

5 of 9 · 2 picks

Online store

  1. 1

    Saleor

    GraphQL native, API-only platform for scalable composable e-commerce storefront.

    Saleor has 23,410 GitHub stars, uses the BSD-3-Clause license, ships a Docker image and had 468 commits in the last year; it replaces Shopify.

  2. 2

    MedusaJs

    Headless commerce engine that enables developers to create amazing digital commerce experiences.

    AI-nativeMedusaJs has 36,615 GitHub stars, uses the MIT license and had 1,716 commits in the last year; it replaces Shopify.

6 of 9 · 2 picks

Website

  1. 1

    Strapi

    Headless CMS that lets developers build content APIs fast while giving content creators a friendly editing interface.

    Strapi has 73,281 GitHub stars, uses the MIT license and had 1,477 commits in the last year; it replaces WordPress.com and Webflow.

  2. 2

    WordPress

    World's most-used blogging and CMS engine.

    WordPress has 21,450 GitHub stars, uses the GPL-2.0 license and had 2,047 commits in the last year; it replaces WordPress.com and Medium.

7 of 9 · 2 picks

Appointments

  1. 1

    Cal.diy

    Online appointment scheduling system.

    Cal.diy has 48,880 GitHub stars, uses the MIT license, ships a Docker image and had 1,893 commits in the last year; it replaces Calendly.

  2. 2

    Rallly

    Create polls to vote on dates and times (alternative to Doodle).

    Rallly has 5,285 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 1,513 commits in the last year; it replaces Calendly.

8 of 9 · 2 picks

Files and documents

  1. 1

    Syncthing

    Syncthing is an open source peer-to-peer file synchronisation tool.

    Syncthing has 89,175 GitHub stars, uses the MPL-2.0 license, ships a Docker image and had 223 commits in the last year; it replaces Google Drive and Dropbox.

  2. 2

    Puter

    Web-based operating system designed to be feature-rich, exceptionally fast, and highly extensible.

    Puter has 43,656 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 2,363 commits in the last year; it replaces Dropbox.

9 of 9 · 2 picks

Passwords

  1. 1

    Vaultwarden

    Lightweight Bitwarden server API implementation written in Rust.

    Vaultwarden has 68,572 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 181 commits in the last year; it replaces Bitwarden and 1Password.

  2. 2

    Bitwarden

    Password manager with a webapp, browser extension, and mobile app.

    Bitwarden has 20,244 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 1,544 commits in the last year; it replaces Bitwarden and 1Password.

FAQ

Questions and answers

Still curious? Email info@appsgit.com.

What is the best open source software for a small business?

For a small business, a self-hosted stack starts with Odoo for accounting, Twenty for customers and Ever Gauzy for inventory. Each section takes the top-ranked apps in one catalog category, scored on GitHub stars, commits in the last year, Docker images, open-source licenses, project websites, recent commits and deploy guides.

Can a small business run this without an IT team?

Yes, if someone is comfortable with Docker or a server panel. Pick the apps that ship Docker images, start with one or two, and set up automatic backups before you move real data in.

Is Odoo free?

Yes. Odoo is open-source software released under the LGPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.

Can I run this stack with Docker?

15 of the 18 apps here publish Docker images, including Odoo, ERPNext and Twenty, so most of the stack can run side by side with Docker Compose on one server. Size the server for the heaviest app and add off-site backups.

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