Stop renting your back office.

n8n

Workflow automation

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

Stirling-PDF

Documents & files

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

AppFlowy

Wiki & docs

Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.

NocoDB

No-code databases

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

Plane

Projects

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

Twenty

CRM

The open alternative to Salesforce, designed for AI.

Odoo

Accounting & ERP

Odoo. Open Source Apps To Grow Your Business.

Cal.diy

Scheduling

Scheduling infrastructure for absolutely everyone.

Paperless-ngx

Documents & files

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

Rocket.Chat

Team chat

The Secure CommsOS™ for mission-critical operations

Outline

Wiki & docs

The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.

ERPNext

Accounting & ERP

Free and Open Source Enterprise Resource Planning (ERP)

PostHog

Web analytics

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

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.

Mattermost

Team chat

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

Chatwoot

Helpdesk & chat

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

Nextcloud

Documents & files

☁️ Nextcloud server, a safe home for all your data

Plausible

Web analytics

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

Krayin CRM

CRM

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

listmonk

Email marketing

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

Matomo

Web analytics

Empowering People Ethically 🚀 — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics, giving you complete control and built-in privacy. Easily collect, visualise, and analyse data from websites & apps. Star us on GitHub ⭐️ – Pull Requests welcome!

Bitwarden

Password managers

Bitwarden infrastructure/backend (API, database, Docker, etc).

DocuSeal

E-signature

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

OpenProject

Projects

OpenProject is the leading open source project management software for product, project and portfolio management. A powerful Jira alternative with agile planning, issue tracking, roadmaps, Gantt charts, time tracking, collaboration features, and more. Available on premises or in the cloud. ⭐ Star us on GitHub

Documenso

E-signature

The Open Source DocuSign Alternative.

Midday

Accounting & ERP

Invoicing, Time tracking, File reconciliation, Storage, Financial Overview & your own Assistant made for Freelancers

Snipe-IT

Inventory

A free open source IT asset/license management system

Formbricks

Forms & surveys

Open Source Qualtrics Alternative

Leantime

Projects

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

Mautic

Email marketing

Mautic: Open Source Marketing Automation Software.

Lago

Invoicing

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

Typebot

Forms & surveys

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

Invoice Ninja

Invoicing

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

Akaunting

Accounting & ERP

Online Accounting Software

HeyForm

Forms & surveys

Open-Source Form Builder

solidtime

Time tracking

Modern open-source time-tracking app

Frappe HR

HR & people

Open Source HR and Payroll Software

Crater

Invoicing

Open Source Invoicing Solution for Individuals & Businesses

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.

InvenTree

Inventory

Open Source Inventory Management System

OpenSign

E-signature

🔥 The free & Open Source DocuSign alternative

Passbolt

Password managers

Passbolt Community Edition (CE) API. The JSON API for the open source password manager for teams!

Zammad

Helpdesk & chat

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

Vikunja

Projects

The task manager you actually own.

SuiteCRM

CRM

SuiteCRM - Open source CRM for the world

Rallly

Scheduling

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

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

Frappe Books

Accounting & ERP

Free Accounting Software

FreeScout

Helpdesk & chat

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

Open Source POS

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.

Easy!Appointments

Scheduling

:date: Easy!Appointments - Self Hosted Appointment Scheduler

Bigcapital

Accounting & ERP

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

EspoCRM

CRM

EspoCRM – Open Source CRM Application

Frappe Helpdesk

Helpdesk & chat

Modern, Streamlined, Free and Open Source Customer Service Software

InvoicePlane

Invoicing

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

Keila

Email marketing

Open Source Newsletter Tool.

InvoiceShelf

Invoicing

Open Source Invoicing Solution for Individuals & Businesses

OrangeHRM

HR & people

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