The Inkvoice blog
Invoicing tips, freelancer playbooks, and open-source / self-hosting guides — from the team building Inkvoice.
Self-Hosted Invoicing with Docker (Coolify & Dokploy Guide)
Self-host your own invoicing app with Docker in minutes — a step-by-step guide using Inkvoice on plain Docker, Coolify, or Dokploy, including the env vars and volume that actually matter.
Read →The Best Open-Source Invoicing Software in 2026
The best open-source, self-hostable invoicing software in 2026 — Inkvoice, Invoice Ninja, InvoicePlane, Crater and Akaunting compared on features, footprint, and ease of self-hosting.
Read →QuickBooks Alternative for Invoicing (Free & Lightweight, 2026)
Looking for a QuickBooks alternative just for invoicing? Why it's overkill for many freelancers, what to look for, and the best free, lightweight QuickBooks alternatives in 2026.
Read →How to Write a Late-Payment Reminder (With Email Templates)
How to chase an overdue invoice without burning the relationship — a polite, escalating reminder cadence plus three copy-paste email templates for freelancers.
Read →Invoice vs Receipt: What's the Difference (and When to Send Each)
Invoice vs receipt — what each document is, how they differ, and exactly when to send which. A plain-English guide for freelancers and small businesses.
Read →FreshBooks Alternative: Free & Open-Source Options for 2026
Looking for a FreshBooks alternative? Why freelancers switch, what to look for, and the best free and open-source FreshBooks alternatives in 2026 — including ones you can self-host.
Read →How to Invoice as a Freelancer (Step-by-Step, 2026)
A practical, step-by-step guide to invoicing as a freelancer in 2026 — what to put on an invoice, payment terms that get you paid on time, how to send it, and how to chase late payments.
Read →Invoice Ninja Alternative: Inkvoice vs Invoice Ninja (2026)
Looking for an Invoice Ninja alternative? An honest Inkvoice vs Invoice Ninja comparison for 2026 — features, footprint, self-hosting, and when each one wins.
Read →Zoho Invoice Alternative: Own Your Data in 2026
Looking for a Zoho Invoice alternative? Why people leave, what to look for, and the best alternatives in 2026 — including open-source tools you can self-host and fully own.
Read →Free Invoice Template (Google Docs, Excel, Word & PDF)
Download free, professional invoice templates for Google Docs, Excel, Word and PDF — plus exactly what to put on an invoice so you get paid on time.
Read →The Best Free Invoicing Software in 2026
An honest, no-fluff comparison of the best free invoicing software in 2026 for freelancers and small businesses — including the open-source options.
Read →Looking for a Wave Alternative? Here's How to Choose in 2026
Why people switch from Wave, what to look for in an alternative, and the best Wave alternatives in 2026 — including free and open-source options you can self-host.
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