Siwapp Ror alternatives for AI agents.

Super simple PDF invoicing

Simple and elegant invoicing solution.

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

Open source C# e-invoicing library. Enables creating and reading ZUGFeRD invoices.

Fast, Nimble PDF Writer for Ruby

:page_with_curl: Asciidoctor PDF: A native PDF converter for AsciiDoc based on Asciidoctor and Prawn, written entirely in Ruby.

Versatile PDF creation and manipulation for Ruby

:globe_with_meridians: Jekyll is a blog-aware static site generator in Ruby

kramdown is a fast, pure Ruby Markdown superset converter, using a strict syntax definition and supporting several common extensions.

Free and Open Source ERP platform

A simple, Git-powered wiki with a local frontend and support for many kinds of markup and content.

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

Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)

Markdown lint tool

OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched

Convenient HTML to PDF/A rendering library for Elixir based on Chrome & Ghostscript