Apps with 'Billing' feature

Integrates enterprise resource planning, CRM, and more, eliminating the need for multiple software with open-source solutions developed in Python.

Unofficial Android App for Firefly III, a free and open source personal finance manager.

Make your services stand out by presenting them with finesse. Forget emailing PDFs, late payments, or not hearing back. Use Portal to send branded digital proposals, collect payments worldwide, run subscription-based services, transfer large deliverables, & more.

InvoicePlane is a self-hosted open source application for managing your quotes, invoices, clients and payments. The application comes with various options, templates and settings to customize your invoicing experience.

From invoicing to expense tracking to accounting, Akaunting has all the tools you need to manage your money online, for free.

TimeCamp is a time tracking software for freelancers and companies. It's well equipped: budgeting, invoicing, project costs and many others. If you're looking for a mobile-friendly solution, this one will be perfect!.

Automated timekeeping and billing for law firms.

MyPublicWiFi is an easy-to-use software that turns your laptop/PC into a Wi-Fi wireless access point. Anyone nearby can surf the Internet through your sharing. This is also an ideal solution for setting up a temporary Access Point in a hotel room,meeting room,at home or the like.

WatchMe is a free (premium available) simple timer program to time a number of different tasks or events together or independently of each other.

Easy cloud accounting for small businesses and freelancers; send, track, and collect payments quickly. Create invoices, capture expenses, and track time.

Offers customizable templates, tax compliance, fraud protection, client portal, and software integration, alongside features for streamlined invoicing, billing, and management.

Open-source metering and usage-based billing. Lago offers a self-hosted and cloud, scalable and modular architecture for metering and usage-based billing, at every stage of your company.

The simplest invoicing solution for small businesses to manage invoices, track payments and automate reminders. Spend less time billing your clients, and more time growing your business.

Nitrobox is a SaaS solution helping enterprises and scaling startups to automate their complex revenue processes and build smart billing and pricing models, such as subscriptions, pay-per-use, digital one-time transactions, or any hybrid model.

Next-gen digital automation software with automated billing, client management, support services, multi-language support, and fraud protection.