For small businesses that want to own their tools

Run your back office on open source.

Self-hostable alternatives to the SaaS you pay for every month, from e-signatures to invoicing. Every number is pulled from GitHub and dated, with no paid rankings.

40tools tracked
15categories
21SaaS products replaced
37pushed to in the last 30 days

All tools

Filter and sort in place.
40 tools

Stirling-PDF

Documents & files

#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

95k Custom / see repo Active
Replaces Adobe Acrobat

plane

Projects

🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.

61k AGPL-3.0 Active
Replaces Asana

twenty

CRM

The open alternative to Salesforce, designed for AI.

59k Custom / see repo Active
Replaces Salesforce

odoo

Accounting & ERP

Odoo. Open Source Apps To Grow Your Business.

55k Custom / see repo Active
Replaces NetSuite

cal.diy

Scheduling

Scheduling infrastructure for absolutely everyone.

49k MIT Active
Replaces Calendly

paperless-ngx

Documents & files

A community-supported supercharged document management system: scan, index and archive all your documents

47k GPL-3.0 Active
Replaces Adobe Acrobat

erpnext

Accounting & ERP

Free and Open Source Enterprise Resource Planning (ERP)

40k GPL-3.0 Active
Replaces NetSuite

umami

Web analytics

Umami is a privacy-first analytics platform. Traffic, campaigns, behavior, conversions, and revenue in one place — no cookies, no surveillance, self-hosted or in the cloud.

40k MIT Active
Replaces Google Analytics

chatwoot

Helpdesk & chat

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬

38k Custom / see repo Active
Replaces Zendesk

server

Documents & files

☁️ Nextcloud server, a safe home for all your data

37k AGPL-3.0 Active
Replaces Dropbox

analytics

Web analytics

Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.

30k AGPL-3.0 Active
Replaces Google Analytics

laravel-crm

CRM

Krayin CRM is Free & Open Source CRM Built with Laravel for Customer, Lead, and Sales Management.

24k MIT Active
Replaces HubSpot

listmonk

Email marketing

High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.

24k AGPL-3.0 Active
Replaces Mailchimp

docuseal

E-signature

Open source DocuSign alternative. Create, fill, and sign digital documents ✍️

19k AGPL-3.0 Active
Replaces DocuSign

documenso

E-signature

The Open Source DocuSign Alternative.

15k AGPL-3.0 Active
Replaces DocuSign

formbricks

Forms & surveys

Open Source Qualtrics Alternative

13k Custom / see repo Active
Replaces Typeform

leantime

Projects

Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.

12k AGPL-3.0 Active
Replaces Asana

mautic

Email marketing

Mautic: Open Source Marketing Automation Software.

11k Custom / see repo Active
Replaces Mailchimp

typebot.io

Forms & surveys

💬 Typebot is a powerful chatbot builder that you can self-host.

11k Custom / see repo Active
Replaces Typeform

invoiceninja

Invoicing

A source-available invoice, quote, project and time-tracking app built with Laravel

10k Custom / see repo Active
Replaces FreshBooks

akaunting

Accounting & ERP

Online Accounting Software

10k Custom / see repo Active
Replaces QuickBooks

solidtime

Time tracking

Modern open-source time-tracking app

9.0k AGPL-3.0 Active
Replaces Toggl

hrms

HR & people

Open Source HR and Payroll Software

8.9k GPL-3.0 Active
Replaces BambooHR

crater

Invoicing

Open Source Invoicing Solution for Individuals & Businesses

8.4k AGPL-3.0 Stale
Replaces FreshBooks

dolibarr

Accounting & ERP

Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.

7.8k GPL-3.0 Active
Replaces QuickBooks

InvenTree

Inventory

Open Source Inventory Management System

7.7k MIT Active
Replaces Sortly

OpenSign

E-signature

🔥 The free & Open Source DocuSign alternative

7.1k Custom / see repo Active
Replaces DocuSign

zammad

Helpdesk & chat

Zammad is a web based open source helpdesk/customer support system.

6.0k AGPL-3.0 Active
Replaces Zendesk

SuiteCRM

CRM

SuiteCRM - Open source CRM for the world

5.8k AGPL-3.0 Active
Replaces Salesforce

rallly

Scheduling

Rallly is an open-source scheduling and collaboration tool designed to make organizing events and meetings easier.

5.3k AGPL-3.0 Active
Replaces Doodle

kimai

Time tracking

Kimai is the #1 open-source time-tracking application. From freelancers to companies and organisations - everyone can manage timesheets, generate reports, create invoices and so much more... Web-based multi-user application, available as On-Premise or SaaS version: https://www.kimai.org

5.1k AGPL-3.0 Active
Replaces Harvest

freescout

Helpdesk & chat

FreeScout — Free self-hosted omnichannel AI-powered helpdesk & shared mailbox

4.6k AGPL-3.0 Active
Replaces Help Scout

opensourcepos

Point of sale

Open Source Point of Sale is a web based point of sale application written in PHP using CodeIgniter framework. It uses MySQL as the data back end and has a Bootstrap 3 based user interface. If you like this project, please give it a star! Doing so helps maintain Popular OSS status for the project.

4.5k Custom / see repo Active
Replaces Square POS

easyappointments

Scheduling

:date: Easy!Appointments - Self Hosted Appointment Scheduler

4.5k GPL-3.0 Active
Replaces Calendly

bigcapital

Accounting & ERP

💵 Independent financial accounting with intelligent reporting, alternative to Quickbooks, Xero, Wave.

4.0k AGPL-3.0 Active
Replaces QuickBooks

espocrm

CRM

EspoCRM – Open Source CRM Application

3.5k AGPL-3.0 Active
Replaces HubSpot

InvoicePlane

Invoicing

A self-hosted open source application for managing your invoices, clients and payments.

3.2k Custom / see repo Active
Replaces FreshBooks

InvoiceShelf

Invoicing

Open Source Invoicing Solution for Individuals & Businesses

1.9k AGPL-3.0 Active
Replaces FreshBooks

orangehrm

HR & people

OrangeHRM is a comprehensive Human Resource Management (HRM) System that captures all the essential functionalities required for any enterprise.

1.2k GPL-3.0 Slowing
Replaces BambooHR