Best Self-hosted Business Software tools in 2026

Community-driven open-source CRM providing sales, marketing, service, reporting, workflow automation, REST API and on-premises or hosted deployment.

AGPL-3.0Actively maintained

Alternative to:

Salesforce Sales Cloud+17

Kan is an open-source Trello alternative for kanban boards, cards, labels, comments, and team workspaces, with Trello import and self-hosting support.

AGPL-3.0Actively maintained

Alternative to:

Trello+19

Open-source, self-hosted personal bookkeeping app with AI-powered features.

MITActively maintained

Alternative to:

Quicken+19

Aimeos is an API-first, high-performance e-commerce framework for Laravel, enabling scalable online shops, marketplaces, and complex B2B commerce applications.

MITActively maintained

Alternative to:

VTEX+1

OpenEMR is an open-source electronic health records (EHR/EMR) and practice management platform for clinics, including scheduling, billing, and interoperability features.

GPL-3.0Actively maintained

Alternative to:

Cerner (Oracle Health)

Solidus is an open-source Ruby on Rails eCommerce framework with a powerful admin, REST API, and extensible architecture for building customizable online stores.

Actively maintained

Alternative to:

VTEX+1

Open-source, self-hosted polling tool to find the best date/time with no login required.

AGPL-3.0Actively maintained

Alternative to:

Doodle+9

Vikunja is an open-source to-do and task management app with projects, sharing, assignments, and multiple views like list, Kanban, Gantt, and table.

AGPL-3.0Actively maintained

Alternative to:

Trello+19

Open-source, local-first Slack and Notion alternative combining team chat, rich docs, databases, and file management with offline-first sync and self-hosting.

Apache-2.0Actively maintained

Alternative to:

Notion+19

Free, self-hosted help desk and shared mailbox for managing support email, conversations, tickets, and team workflows as a Zendesk/Help Scout alternative.

AGPL-3.0Actively maintained

Alternative to:

Zendesk+13

Octobox is a self-hostable GitHub notifications manager that adds archiving, starring, enhanced issue/PR context, filters, search, and keyboard-driven triage.

Web-based POS system for sales, inventory, customers, suppliers, invoicing, and reporting, built with PHP and MySQL/MariaDB.

Actively maintained

Alternative to:

MarketMan+10

Ever Gauzy is an open-source business management suite combining ERP, CRM, HRM/ATS, and project & time tracking with a web UI and headless APIs.

AGPL-3.0Actively maintained

Alternative to:

Odoo+19

Open source appointment scheduler for customer bookings, provider management, and Google Calendar sync, deployable on your own PHP/MySQL server.

GPL-3.0Actively maintained

Alternative to:

Calendly+18

Single-file, offline-capable kanban/task board that stores boards in the browser; supports multiple boards, drag-and-drop, undo/redo, export/import and local backup agents.

Likely dormant

Alternative to:

Trello+5

Self-hosted personal management web app to organize notes, goals, contacts, passwords, schedules, payments, files, photos, and more in one place.

MITActively maintained

Alternative to:

Evernote+14

Open-source localization platform with in-app translation, collaborative workflows, and APIs/CLI to manage multilingual app strings, screenshots, and translations.

Open-source, self-hosted portfolio manager for crypto assets with local-first storage, analytics, and accounting reports for exchanges, wallets, and DeFi activity.

AGPL-3.0Actively maintained

Alternative to:

Koinly+13

osTicket is an open source help desk and ticketing system that manages support requests from email, web forms, phone, and API in a multi-agent web interface.

GPL-2.0Actively maintained

Alternative to:

Zendesk+19

Self-hosted open-source accounting and inventory software with double-entry bookkeeping, invoicing, expenses, multi-currency support, and financial reporting.

AGPL-3.0Actively maintained

Alternative to:

QuickBooks Online+11

Pimcore is an open core data and experience management platform combining PIM/MDM, DAM, CMS/DXP, CDP and digital commerce with extensible APIs and modeling tools.

Actively maintained

Alternative to:

Acquia DAM (Widen)+19

LimeSurvey is an open-source survey and form builder for creating, distributing, and analyzing questionnaires with advanced logic, multilingual support, and strong privacy controls.

Actively maintained

Alternative to:

SurveyMonkey+17

Open-source, self-hosted social media manager for scheduling, publishing, analytics and team workflows; deploy via Docker or as a Laravel package.

MITActively maintained

Alternative to:

Hootsuite+13

MIT-licensed core of Shopware 6: an API-first, Symfony-based commerce platform with Vue storefront, visual page builder, extensibility and multi-channel support.

MITActively maintained

Alternative to:

Shopify+8

Frappe Helpdesk is an open-source customer support platform with ticket management, agent and customer portals, SLAs, automation rules, and a knowledge base.

AGPL-3.0Actively maintained

Alternative to:

Zendesk+19

A PHP-based open-source CRM providing contacts, leads, pipelines, workflows, dashboards and extensible integrations for sales and support teams.

AGPL-3.0Actively maintained

Alternative to:

Zoho CRM+19

Open-source, self-hosted task and project manager with hierarchical Areas → Projects → Tasks, smart recurring tasks, Telegram and API integrations.

MITActively maintained

Alternative to:

Todoist+19

Peppermint is a self-hosted help desk and issue tracker with email-to-ticket, notes, file uploads, webhooks, and OIDC authentication for teams.

Slowing down

Alternative to:

Zendesk+18

Open-source project management and time-tracking platform with tasks, kanban boards, resource planning, time reports and analytics; available as cloud SaaS and self-hosted.

AGPL-3.0Actively maintained

Alternative to:

monday.com+19

Self-hosted open source invoicing software to manage quotes, invoices, clients, and payment tracking, with customizable templates and multilingual UI.

Actively maintained

Alternative to:

Invoice Ninja+14