Best Billing and Invoicing Software for Linux
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Compare the Top Billing and Invoicing Software for Linux as of July 2026
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What is Billing and Invoicing Software for Linux?
Billing and invoicing software allows businesses to easily manage their customer account balances, track payments, and generate invoices. It can be used to streamline the accounts receivable process and save time by eliminating manual data entry. Additionally, it can provide financial reporting capabilities to help businesses make more informed decisions. Compare and read user reviews of the best Billing and Invoicing software for Linux currently available using the table below. This list is updated regularly.
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1
Hubstaff
Hubstaff
Hubstaff is a time tracking software that helps teams log hours, monitor productivity, and automate payments — whether remote, hybrid, in-office, or field-based. Available on desktop, web, and mobile, Hubstaff enables employees to track time against specific tasks and projects from anywhere. Managers get built-in visibility through app and URL usage data, activity rates, and optional screenshots — all configurable by user role. Designed for global, growing and distributed teams, Hubstaff includes built-in productivity monitoring and workforce analytics to help businesses analyze how time is spent, identify inefficiencies, and improve performance — without micromanagement.Starting Price: $4.99/user/month -
2
Odoo
Odoo
Odoo is a fully integrated, customizable, open-source software packed with hundreds of expertly designed business applications. Odoo’s intuitive database is able to meet a majority of business needs, such as: CRM, Sales, Project, Manufacturing, Inventory, and Accounting, just to name a few. Odoo is an all-in-one software solution designed to meet the needs of companies, regardless of their size (or budget). The unbeatable, seamless nature of Odoo helps businesses become more efficient by reducing redundant manual processes, which helps companies save countless hours of labor. Every module is interconnected to provide a fully-integrated experience from app to app, and users can automate many processes that would’ve otherwise required manual inputs into multiple applications. Odoo keeps all business functions in one place, allowing teams to collaborate with other departments from one unified platform in the most efficient way possible.Starting Price: $25.00/month/user -
3
Zahara
Zahara
Zahara's cloud based platform automates budget management, suppliers, purchase requisitions, multi-level purchase approvals, deliveries and invoice reconciliation and approvals. Zahara integrates with most leading accounting software such as QuickBooks Online and Xero to give expanding SME's real time visibility and centralized control of their purchasing. Zahara can be used to control spend in an organization. We take the initial request to buy something and automate the approval process and sending of the PO to the Vendor. Deliveries can be receipted, vendors invoices matched and processed and then exported to finance. Zahara adds control yet speeds up processing.Starting Price: From £142.00/month -
4
Firmao CRM
Firmao
Thanks to the implementation of the CRM Firmao software, you will create a customer database that allows you to shorten the time of customer acquisition, increase conversion at every stage of the sales process, as well as efficiently and comprehensively serve regular customers. Firmao helps to manage the work of the sales department, both in terms of the sales funnel, and acts as a contact center for regular customers of the company. Simple management of the customer base: - Multiple Sources of Opportunities - Automation of the sales process - Increasing the sales volume - Efficient contact with the customer - Comprehensive customer service - Execution of orders for customers It is implemented in companies where contact with leads or regular contractors is required. Firmao's CRM software is the best system for companies planning dynamic development. The implementation of Firmao's CRM is easy and quick. It takes about 1-2 weeks.Starting Price: $19 per user per month -
5
DocuSend
DocuSend Inc
Remotely send your documents directly to the United States Postal Service through our cloud-based mailroom. DocuSend works with any accounting, billing, or CRM software that produces PDF documents containing a valid mailing address. Users can upload directly, or developers can integrate our REST API to offer a "Send Mail" button in their software, either as a reseller or for internal direct connectivity. There are enormous economic advantages for any business or organization that needs to safely print and mail documents on demand. We also offer an automated email service called DocuLink that lets you know which users open the document links sent and makes it easy to follow up with a hard copy if needed. We are sure that one of our features will improve your mailing experience: DocuSend, DocuLink or the Print-To-Mail Rest API will streamline the manual and time-consuming print, mail and email process.Starting Price: $1.28 for 1pg 8.5x11" document -
6
Continuum PSA
CrossConcept Continuum PSA
CrossConcept Continuum goes beyond traditional PSA solutions available today by incorporating cutting-edge UI technology making the solution more user-friendly, resulting in fewer clicks within the solution and time spent logging data. CrossConcept Continuum has been built from the ground up to integrate with all major accounting systems to seamlessly synchronize projects and accounting within one unified system. Our innovative PSA solution allows organizations to maximize profitability by integrating connecting projects and financial accounting, enabling you to manage all stages of your project from conception to completion and deliver on your promises. CrossConcept has decades of experience helping service organizations automate their processes. Clients have ranged in size from a handful of people to over thirty thousand. The founder's and team’s real-world experience is what drove and shaped the creation of CrossConcept Continuum. Our solution is a simple, yet powerful PSA!Starting Price: $15.00/month/user -
7
OneBill
OneBill
OneBill is an end-to-end subscription management, billing, and revenue management platform that powers the entire customer lead-to-revenue generation experience. OneBill supports all types of billing models such as one-time billing, subscription billing, recurring billing, and usage-based billing. OneBill’s seamless integration with other enterprise systems such as carriers & service providers, payment gateways, accounting & admin, taxation, and CRM & ERP platforms is made possible with open APIs. The platform covers all aspects of a business from CPQ, automated order provisioning & activation, billing & invoicing, all the way to revenue reporting, customer subscription management, and channel partner commission management. OneBill has been helping SMBs, SMEs, and large enterprises to reduce billing errors, compliance risk and drive greater efficiency with an end-to-end billing and revenue management solution fully integrated with some of the world’s leading solutions.Starting Price: $1500.00 -
8
YetiForce CRM
YetiForce Sp. z o.o.
Are you looking for a system to boost your sales? Do you want to improve your relationships with customers? Do you want to contribute to the fastest growing open source project on GitHub? You can use YetiForce completely free of charge. With YetiForce’s help you will manage 12 business processes in your company, no matter the size. YetiForce’s open source code was released under a very flexible and liberal license, which gathers a large and active community around the project. You too can contribute to it no matter if you are a professional programmer or software development is just your hobby. Download YetiForce for free and find out why you should become one of more than 250,000 people who already use it.Starting Price: Free -
9
1CRM
1CRM Systems Corp.
1CRM is the All-in-One CRM solution for your business. Available on the Cloud or On-Premise, with quote and orders management, calendar/email, project management, product catalogs, marketing automation, customer service, inventory management and more! Highly customizable to suit the unique needs of your business, including a free Mobile Client App 1CRM has got you (and your customers) covered, whether you are in the office, or on-the-go! A complimentary guided tour of the system, with a 30-day free trial offered to every client, you are sure to hit the ground running from day 1 of your 1CRM experience, with professional services and training available, onboarding could not be simpler.Starting Price: $13.00/month/user -
10
iM3 Supply Chain Management Suite
PeoplePlus Software
iM3 SCM Suite is a cloud-based set of tools to Digitally Transform Supply Chain of an Enterprise; automation of Warehouse, Distribution Center & 3PL Operations, multi-Channel Order & eCommerce management. We bring expertise to chose technologies from Mobile Computers Scanners & Barcode Printers, Automated Guided Vehicles (AGV) fully integrated with iM3SCM Suite. API integrations into Shipping (Fedex, UPS, USPS, LTL), fleet manager, Accounting Software Quickbooks Online/Desktop, SAGE etc. Digitally Transform your Asset & Facilities, Repair management, Dealer and Distribution management, Field Service & Fleet Management, Yard Management, Rental Management of Assets, Track Technician, Time & Labor and more. iM3 SCM Suite includes Mobile Apps (phones/tablets) to manage various functions of your operations in-house or on the GO. Choose the best technology for your enterprise to improve productivity, efficiency, quality, improved Invoicing & help reduce cost of operations.Starting Price: $100/Month/User -
11
Invoice Fly
Invoice Fly
Invoice Fly is a user-friendly, free online invoicing platform designed to simplify the billing process for freelancers, small business owners, and entrepreneurs. Whether you’re just starting out or managing multiple clients, Invoice Fly allows you to create professional, branded invoices quickly and effortlessly—no account creation or sign-up required. With a variety of customizable invoice templates, you can tailor each invoice to reflect your unique brand identity, making a strong and consistent impression on your clients. Once your invoice is ready, simply export it as a high-quality PDF that’s easy to download, print, or email directly to your customers. Invoice Fly not only helps you save time on administrative tasks but also ensures your invoices look polished and professional, increasing your chances of getting paid promptly.Starting Price: $5.99/week -
12
WorkDash
WorkDash Software
WorkDash is a digital business management platform that enables business owners to manage their entire operations from marketing, through to workforce management and invoicing. WorkDash can be used in whole or in part, depending on the needs of the business.Starting Price: $29/month -
13
vcita
vcita
vcita is an all-in-one business management app built for small to mid-sized businesses. vcita boasts a wide range of features that helps SMBs streamline daily tasks and operations and improve how they interact with clients, fueling growth and success. Top features include client and calendar management, billing and invoicing, online scheduling, lead capturing, and email campaigns. vcita also integrates with dozens of platforms, including Facebook, PayPal, Quickbooks, and more.Starting Price: $12.00/month/user -
14
Plus & Minus
Plus & Minus Software
Built around a single-file system, Plus & Minus is an integrated enterprise resource planning (ERP) financial platform. Plus & Minus has collaborative tools for accounting, purchasing, managing sales, and reporting operations. With Plus & Minus, users are able to manage core finance operations, track sales operations, generate custom business reports, and monitor business documents. Plus & Minus enables users to deploy on-premise or in the cloud.Starting Price: $1000.00/one-time/user -
15
Perfect Billing System
SARU TECH
The Perfect Billing System is designed to streamline the billing and sales processes for businesses. It features a robust point-of-sale (POS) system that simplifies the management of sales transactions, including product searches, order modifications, and returns. This system facilitates accurate and efficient transaction handling directly from the POS interface. Invoicing and payment processing are key components of the software, allowing for the creation of detailed invoices and handling of various payment methods. This supports businesses in maintaining accurate financial records and enhances customer service by enabling quick payment resolution. The software includes functionalities to suspend transactions, which is useful for managing multiple sales processes simultaneously. It also supports the emailing of receipts to customers, providing a digital record of transactions that can enhance customer satisfaction and reduce paper waste.Starting Price: $10/month -
16
Clockify
CAKE.com Inc.
Clockify is a time management app that serves primarily as a time tracker, but it also includes timesheets, reports, and invoicing. Here's what you can do with Clockify: • Track time — Use the Timer to track the hours you spend working on your projects or enter time logs manually. • Overview Timesheets — Check and approve the logged hours of the entire team. • Manage PTO — Let your team log their days off and keep an eye on upcoming absences. • Schedule & plan — Map out entire projects and create weekly schedules. • Run reports — Summarize who worked on what and how much you're earning vs. your costs. • Log locations — Let your team track their daily routes. • Set hourly rates — Define hourly rates and calculate your costs and profit. • Track expenses — Add different types of expenses and attach receipts. • Send invoices — Invoice your billable hours and expenses and get paid for your work.Starting Price: $0 -
17
QuickBooks Online
Intuit
QuickBooks Online is the most popular accounting software in the world. QuickBooks Online makes accounting easy. Make tracking receipts, income, bank transactions, and more feel simple with the #1 small business accounting software. Snap photos of your receipts and link them to expenses right from your phone. Our agents are ready and available to answer all your QuickBooks questions. Use the apps you know and love to keep your business running smoothly. QuickBooks Online works on your PC, Mac, tablets, and phones. Click the link above to get a 30 day free trial and 50% off your first 3 months. More than accounting software. QuickBooks helps you track income, expenses, and stay ready for taxes. Customers find on average $3,534 in tax savings per year.Starting Price: $9/month (normally $15/month) -
18
TimeCamp
TimeCamp
We log your team's hours in the background, hands-free, and show you the real margin. You bill by the hour and only find out how profitable a project was after it is done? We change that. TimeCamp logs your team's hours hands-free in the background, so the profit you see reflects what actually happened, not what someone remembered on Friday. Hours log themselves in the background, no timers, no timesheet chasing Real-time margin on every client and project Time, attendance, reporting, and capacity planning in one login 80+ integrations so TimeCamp fits into your existing workflow AI Time Tracker fills in timesheets automatically based on activity Automatic capture, not clock-watching. For teams who are done guessing.Starting Price: $3.99 per user per month -
19
Simplain Vendor Portal
Simplain Software Solutions LLC
Simplain Vendor Portal is used by some of the leading retailers in the world to streamline their supplier collaboration. By implementing the solution, retailers and wholesalers can realize immediate gains in productivity, speed to market and establish a solid foundation for other digital transformation initiatives. The platform helps facilitate workflow driven collaboration / negotiation with suppliers for key business processes such as Vendor Onboarding, Item Management, Cost management, Deals & Promotions management, Purchase Order Management & Invoice Management. Simplain Vendor Portal is capable of integrating with GDSN providers to synchronize item attributes, nutritional and product certifications and digital assets. The system also provides REST APIs for bidirectional communication with the back end ERP systems. -
20
Talygen
Talygen
Talygen is the worldwide leader in Business Management Automation. Talygen's integrated suite of services and processes allows businesses to manage all of their core workflows via our Cloud-based Software as a Service (SaaS) application. Talygen allows companies to automate, regulate and enforce their corporate processes. Talygen empowers businesses and their employees to manage the complete set of corporate tasks without installing specialized software for each of them. Its wide variety of features, easy-to-use concepts, and enhanced functionality allow end-to-end process management and seamless communication between all stakeholders in a project or business. In today’s competitive business environment, successful companies are constantly challenged with managing the entire life cycle of a project efficiently and transparently. With Talygen, companies now have more ways than ever to make that happen. -
21
InvoiceTemple
Digitkode
InvoiceTemple is the ultimate invoicing solution designed exclusively for small business owners. Our app offers a user-friendly and efficient platform, enabling entrepreneurs to generate professional invoices effortlessly. With an array of outstanding features, InvoiceTemple ensures that invoicing becomes a simple and streamlined process for even the least tech-savvy individuals. By choosing InvoiceTemple, you gain access to a wide variety of customizable invoice templates, allowing you to personalize your invoices with your logo, business details, and unique scheme. This level of personalization not only enhances your professionalism but also strengthens your brand identity, instilling confidence in your clients and customers. Furthermore, Invoice Temple seamlessly integrates your purchase orders and purchase records, eliminating the need for manual data entry and ensuring accuracy in your financial records.Starting Price: $5/month -
22
My Member Software
My Member Software
My Member Software is User friendly frontend member administration, open source and downloadable. Associations, Clubs, Foundations and even companies can administrate their members and it is integrated in the CMS Joomla, but can also run beside a Wordpress or Drupal website. Member administration independend on time and place! Available in a do-it-yourself version or with us included, for a hassle free complete setup. We are also looking for partnerships with Accounting firms and webdesigners. -
23
Paymo
Paymo
Paymo is a work management software that helps small/medium businesses and teams manage their projects, track time, and create invoices. With all these features in one app, there's no need to use and pay for other software. This way you can manage all your work in one place, from start to finish.Starting Price: $8.95/month/user -
24
PaidYET
PaidYET
Simplify B2B payments for software companies with PaidYET, the ultimate solution for your payment processing needs. Tailored specifically for SaaS providers, marketplaces, and software platforms, our innovative integration enables seamless payment processing that not only reduces friction but also enhances user experience. With PaidYET, you can easily accept payments, streamline your operations, and unlock new business opportunities. Our platform supports a wide range of payment methods, ensuring you can cater to the diverse preferences of your clients. We prioritize security and compliance, so you can focus on growing your business with peace of mind. Optimizing payments has never been easier—simply integrate our gateway into your existing system, and watch your payment processes flow smoothly, allowing you to concentrate on what matters most: scaling your business and serving your customers effectively.Starting Price: $19/month -
25
Paddle
Paddle Payments
Paddle is a subscription commerce and billing platform for Software and SaaS companies. It’s more difficult than ever to keep up with customer demands, to find new international growth opportunities, and to manage your internal resources effectively. With Paddle, you spend less time on fixing internal roadblocks and can focus on scaling your business. Paddle provides a full suite of tools from optimized checkout to sell your software, to recurring billing, fraud detection, manual invoicing, sales taxes, global currencies, customer support, analytics and much more, all in one platform. Choose how you want to sell, Paddle supports every type of sales motion. Optimize your checkout for conversions, scale your sales-assisted invoicing to more business accounts, and add subscription billing -
26
VatPay
VatPay
Online Billing and Invoicing for B2B Service Providers. VatPay billing software will take care of your complete billing process allowing you to create & Send your invoices faster than any platform. Online invoicing and time tracking has never been easier. VatPay will help you organize your business in one place with powerful features. Track time, manage your projects and convert your actual work hours into invoices. VatPay supports serveral payment gateways including Stripe, Authorize.Net and PayPal. Track your expenses and generate highly intuitive financial reports to help facilitate business decisions.Starting Price: $9/Month -
27
TimeStatement
TimeStatement AG
TimeStatement AG is a developer of innovative time-tracking solutions on the web. - Zeiterfassung The TimeStatement online reduces administrative effort/costs, is easy to use, requires no installation and is accessible from anywhere. A version for freelancers and 1-man companies is available free of charge. One user access and two parallel projects are integrated. Here is the free full version https://timestatement.com/pricing Our time-tracking service is ideal for small to large companies, as well as for freelancer, who are looking for an intuitive and quick time and task tracking solution. Through the cloud-based TimeStatement solution, your timesheets and proffesional invoices on the web are easy to download and upload anywhere at any time and are ready for editing and entry. TimeStatement is now part of "Swisscom FinTech Startup" because of the new technologies: http://fintechnews.ch/fintech/swiss-fintech-startup-map-for-january/24699/Starting Price: $10.00/month/user -
28
Avnovo
Avnovo
Avnovo — the all-in-one payment platform. Streamlined payments that keep up with the speed of your business. Avnovo envisions a future where the financial system is more accessible, open, and intuitive. We’re doing our part by reimagining B2B payments. With the power of cloud technology, our team was avantgarde in digitizing cash payments. Through our software, it’s easier than ever to get rid of transaction fees, simplify processing, and cut down on time-to-cash. And we’re just getting started! Establish a payment model where funds are collected at chosen intervals. We offer a visual representation of your data so you can make the right decisions for your business. Accept a variety of payment options that are secure and user-friendly. Accept all major debit and credit cards from customers around the world. Card payments make up over 40% of global online payments. All of our payment solutions come complete with enhanced security to keep information safe.Starting Price: $599 per month -
29
Petpooja
Petpooja
Petpooja is a comprehensive restaurant management platform to manage all aspects of your business. Petpooja’s basket has multiple features and integrations like Billing and KOT, Table management, Menu management, Customer Relationship Management (CRM), Inventory Management, 80+ Integrations, 50+ Business Reports, and much more. The offering basically ranges from recording the inbound logistics (accounting of raw materials/ inventory) till printing a bill and taking customer feedback. Well to know your growth, we also have business reports that will help you know more about your business performance. Essentially all your work can be done from a single platform helping you save an enormous amount of resources in every possible area. Besides this, Petpooja offers 80+ integrations, from payment gateways, loyalty programs, and food delivery integrations, powering 20,000+ restaurants in India and UAE. We have a wonderful 24*7 customer support service, where all missed calls and inquiriesStarting Price: Rs. 10,000 -
30
CloudOffix
CloudOffix
CloudOffix is an AI-native business platform that unifies all your business processes — from CRM and Sales to HR, Projects, and Helpdesk. At the core of CloudOffix is data unification — because successful AI and successful businesses both depend on connected, contextual, and accessible data. Instead of fragmented systems and disconnected workflows, CloudOffix creates a single operational foundation where all departments work together on shared data and shared processes. This unified architecture becomes the strongest base for sustainable growth, operational efficiency, and reliable AI adoption. Already using Salesforce, SAP, HubSpot, or Oracle? No problem. CloudOffix integrates seamlessly with your existing systems. Need a new app or workflow? Simply vibe-code and build your dream applications directly within CloudOffix using its powerful low-code infrastructure. CloudOffix is the unified AI foundation modern businesses need to scale smarter and operate faster.
