Best Self-hosted Business Software tools in 2026

Open-source, self-hosted Work OS unifying project management, CRM, and agile workflows for startups.

Alternative to:

monday.com+19

Open source ecommerce marketplace for farmers, food producers, co-ops, and food hubs to sell local produce online and manage orders, customers, and distribution.

Alternative to:

MarketMan+2

Open-source Rails web app for David Allen's GTD: manage next actions, contexts, projects, tags, feeds and statistics; Docker-friendly and multi-user.

Alternative to:

Todoist+16

farmOS is a web-based farm management application for planning and agricultural record keeping, built on Drupal for modular data collection and management.

Alternative to:

Trimble Ag Software+7

Request Tracker (RT) is an enterprise-grade ticketing and issue tracking system with email integration, automation, workflows, reporting, and optional asset management.

Alternative to:

Zendesk+19

Next-generation open-source CRM for managing contacts, companies, tasks, and sales opportunities with a modern UI and customizable fields.

Alternative to:

Salesforce Sales Cloud+18

Self-hosted AI accounting app that extracts data from receipts and invoices, supports custom prompts and categories, and exports tax-ready transaction data.

Alternative to:

Expensify+9

Apache OFBiz is a Java-based open-source ERP and e-commerce framework providing modular apps for accounting, CRM, order management, inventory and manufacturing, plus deve...

Alternative to:

Odoo+19

Modern, privacy-focused task manager with kanban, calendar, natural-language dates, recurring tasks, and JSON file storage.

Alternative to:

Todoist+9

OpenBudgeteer is a self-hosted bucket budgeting web app inspired by YNAB, helping you plan, track transactions, and monitor spending with reports.

Alternative to:

YNAB (You Need A Budget)+17

Self-hosted project management with kanban boards, issue tracking, multiple views, and built-in time tracking and reports.

Alternative to:

Trello+19

Rachoon is a modern self-hosted invoicing app for freelancers and small businesses, with client management, payment tracking, PDF export, and customizable templates.

Alternative to:

Invoice Ninja+13

Self-hosted, open-source, non-custodial crypto payment processor supporting major coins, smart chains, and stablecoins with merchant APIs and an admin panel.

Alternative to:

Coinbase Commerce+9

Open-source PSA for MSPs combining client documentation, ticketing, billing/accounting, and a client portal, with API integrations and optional AI assistance.

Alternative to:

HaloITSM+19

Open-source onboarding platform to provision accounts, run preboarding, to-dos, resources, courses, and badges via Slack or a dashboard.

Alternative to:

Sapling (Kallidus)+2

Self-hosted invoicing and quoting platform with client management, taxes/discounts, online payments, and a REST API for integrations.

Alternative to:

Invoice Ninja+15

Open-source multi-channel notification service with REST API, management UI, templates and channel abstraction for email, web, push and SMS; built with ASP.NET Core and R...

Alternative to:

OneSignal+5

Self-hostable POI map tracker and trip planner to manage points of interest, build multi-day itineraries, and collaborate with travel companions without ads or telemetry.

Alternative to:

Wanderlog+3

phpList is an open source email marketing manager for newsletters and campaigns, with subscriber management, segmentation, scheduling, bounce handling, and analytics.

Alternative to:

Mailchimp+14

Ontime is a browser-based, open-source rundown, scheduling, cueing, and event timer app for live events and broadcasts with real-time team collaboration and integrations.

Alternative to:

Rundown Creator+3

Bugzilla is an open source, web-based bug and issue tracker for managing products, components, milestones, and releases with powerful search and workflows.

Alternative to:

Bugzilla Hosted+8

Self-hosted, principles-first finance tracker for income, expenses, accounts, and investments with multi-currency support, automation-ready API, and DCA tracking.

Alternative to:

Mint (Intuit Mint)+19

Open-source vehicle tracking management system to manage vehicles, log fuel and maintenance, track insurance/documents, and set renewal reminders with dashboards.

Open-source CRM for contacts, deals, tasks, notes, and activity tracking, built with React and Supabase and designed to be customized by developers.

Alternative to:

Salesforce Sales Cloud+18

Invio is a minimalist self-hosted invoicing app to create invoices, share secure public links, and manage billing data with a simple SQLite-backed setup.

Alternative to:

Invoice Ninja+12

Open-source investment portfolio tracker with real-time market data, charts, collaboration, and an optional LLM chat assistant grounded on your holdings.

Alternative to:

Morningstar Portfolio Manager+12

Open-source personal finance app to track spending, manage accounts and assets, build monthly budgets, and monitor trends and financial goals with optional bank syncing.

Alternative to:

Mint (Intuit Mint)+16

LibreBooking is an open-source scheduling system for managing resource reservations with calendars, waitlists, quotas, reporting, and role-based access control.

Alternative to:

Skedda+11

Gibbon is an open source school management system for student information, staff workflows, parent access, planning, and daily school operations in one web platform.

Alternative to:

PowerSchool+1

monetr is a budgeting app focused on recurring expenses, “leftover” spending, and cash-flow forecasting, with optional bank sync via Plaid.

Alternative to:

YNAB (You Need A Budget)+17