You can save a lot by using FOSS (Free and Open Source Software) projects. Self-hosted alternatives now rival — and in many cases exceed — the functionality of expensive SaaS subscriptions. Here are 15 you should know about:

01
Invoice Ninja
Comes with a client portal. Pro-Enterprise features are free when self-hosted.
02
Paperless-ngx
Document Management System. Set up email IMAP so it auto-syncs invoices and docs from your mailbox.
03
N8n
If you know a little development, you can build excellent automations. Self-hostable workflow automation.
04
Baserow
Open source alternative to Airtable for no-code database management.
Alt to: Airtable
05
NocoDB
Airtable alternative that can sync with existing databases and generate API endpoints.
Alt to: Airtable
06
Discourse
Best community platform with levelling, badge systems, and deep customisation.
07
Kasm Workspace
Access Linux, browsers, and office apps entirely from your browser.
08
Ghost CMS
Best choice for membership-based communities and newsletters.
09
Odoo
Full ERP suite — accounting, CRM, HR, inventory, and more.
10
Nextcloud
Self-hosted collaboration platform — files, calendar, contacts, and more.
11
Uptime Kuma
Beautiful self-hosted uptime monitoring for all your services and sites.
12
Listmonk
High-performance, self-hosted email campaign manager.
13
Vaultwarden
Best password manager for all sizes of organisations. Compatible with Bitwarden clients.
14
Proxmox
Best virtualisation platform to deploy and manage VMs and containers.
15
Firefly III
Best personal finance manager for tracking expenses, budgets, and reports.

Reach out to K-RITE to manage your cloud and marketing ecosystem — and put FOSS to work for your business.

Comment down if I missed your favourite open source project!