Compare the Top Billing and Invoicing Software for Linux as of February 2026

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.

  • 1
    Odoo

    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.
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    Starting Price: $25.00/month/user
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  • 2
    Firmao CRM
    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.
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    Starting Price: $19 per user per month
  • 3
    Continuum PSA

    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!
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    Starting Price: $15.00/month/user
  • 4
    YetiForce CRM

    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.
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    Starting Price: Free
  • 5
    1CRM

    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
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    MyEnroll360

    MyEnroll360

    Benefit Allocation Systems, LLC.

    Benefit Allocation Systems, LLC (BAS) introduces MyEnroll360, a dynamic SaaS platform transforming HR and benefits management. Seamlessly handle benefits enrollment, administration, compliance, and billing from hire to retirement with our agile cloud-based solution. Enjoy rapid setup, user-friendly navigation, and unwavering support for your success. MyEnroll360 by BAS offers a comprehensive SaaS solution, packaged and a la carte benefit plan enrollment & administration solutions featuring: -Online Benefits Enrollment (New Hire, Life Events, Open Enrollment) -Payroll Integration -Insurance Carrier Integrations -COBRA Compliance -Section 125 Nondiscrimination Testing -FSA Administration -HRA -ACA Compliance/Reporting -Retiree Premium Billing & Communications -Location Premium Billing -Individual Premium Billing -Employee Communications No matter your plan's complexity, our agile software adapts to evolving requirements, backed by hands-on support – Guaranteed!
  • 7
    Plus & Minus

    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
  • 8
    Clockify

    Clockify

    CAKE.com Inc.

    Clockify is the the most popular free time tracker for teams, used by millions around the world. Clockify is a time tracker and timesheet app that lets you track work hours across projects. Unlimited users, free forever. Clockify makes it simple to track employee hours, create staff work schedules, see everyone's availability, make adjustments when allocating tasks, and control costs and overall budgets. Individual time entries accumulate to valuable data about how each day is spent and insights on your employees' productivity habits. You can export reports on each working week and customize which data you want to include.
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    Starting Price: $0
  • 9
    QuickBooks Online
    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. Need more help? QuickBooks Live helps you stay organized and be ready for tax time. QuickBooks comes with a mobile app that help you run your business on the go—anytime, anywhere.
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    Starting Price: $9/month (normally $15/month)
  • 10
    DocuSend

    DocuSend

    Mail Technologies 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.
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    Starting Price: $1.28 for 1pg 8.5x11" document
  • 11
    Simplain Vendor Portal

    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.
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    Talygen

    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.
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    iM3 Supply Chain Management Suite
    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
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    Paymo

    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
  • 15
    PaidYET

    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
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    VatPay

    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
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    Petpooja

    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 inquiries
    Starting Price: Rs. 10,000
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    MaxBill

    MaxBill

    MaxBill

    MaxBill drives the operational transformation forward, supporting businesses on their journey to hyperautomation to help create, market and monetize new and existing services. Our smart BSS solution, built for both enterprises and SMBs, serves as a solid foundation for the company’s intelligent, partner- and customer-centric, data-driven and compliant digital ecosystem. We have been successfully implementing our solution to support telecommunication, utilities, gaming and energy service providers’ growth in highly competitive, rapidly-changing markets. Gain total control of your commercial operations with seamless integration of service connection life cycle with a complete meter-to-cash functionality, including billing, metering, payments, debt collection and revenue management. Grow your business, offer a new range of connected services and take advantage of the fast-moving market trends with our MaxBill technology-powered, automated billing and revenue management platform.
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    Axelor

    Axelor

    Axelor

    Axelor is an Open Source business application suite that reinvents enterprise management. Built on a Low Code/No Code approach, it natively integrates key tools for digital transformation: ERP & CRM, BPM & workflows, BI & Analytics, web portals & CMS. The Axelor platform offers over 1500 ready-to-use connectors. Axelor provides specialized ERPs designed for various sectors: Industry & Manufacturing: Axelor Factory Services, Consulting & Construction: Axelor Service Retail & Distribution: Axelor Commerce Low Code Platform: Axelor Platform Enjoy a modern design and intuitive navigation. Unlike traditional management solutions, Axelor combines ease of use, simplicity and efficiency. Discover a new approach for an unequalled flexibility. Thanks to the integrated BPM, you can adapt in real time, with simple configurations and very few custom developments your application to business changes.
    Starting Price: 35€ per month per user
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    Cloudmore

    Cloudmore

    Cloudmore

    Whether you're a business looking to solve a recurring services procurement challenge, a vendor transitioning to recurring revenue, or a service provider moving to the cloud, Cloudmore has a solution for you. One place to sell, manage and bill your subscription channel partners and customers. Solve the procurement challenge for recurring and metered services. Reduce your billing processing time and remove costly billing errors. Users can self serve to discover and acquire the services they need. Showcase and sell your services in an internal or external marketplace. Select services from Cloudmore's service catalog and sell these to your users in their curated e-store. Manage pricing on a global or per customer basis. Create offers and quotes from your service catalog. Your admin users can discover, provision and manage services and view monthly billing details.
    Starting Price: 499
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    FIELDBOSS

    FIELDBOSS

    FIELDBOSS

    FIELDBOSS is a leading field service management solution built specifically for Elevator and HVAC inside Microsoft Dynamics 365. Designed for contracting companies to automate processes, optimize existing resources, and stay connected to customers in real time, FIELDBOSS enables complete visibility and control over every aspect of service and business performance. By consolidating financial, operational, and field service management into a single, integrated software solution with Microsoft Dynamics 365, FIELDBOSS allows you to minimize technical overhead, increase efficiencies, and remove the risks, manual efforts, and costs of trying to run your business using multiple systems.
    Starting Price: $40 per month
  • 22
    Invoice Ninja

    Invoice Ninja

    InvoiceNinja

    Invoice Ninja is the #1 open-source platform to create & email invoices, track payments and expenses, and time billable tasks & projects for clients.
    Starting Price: $10 per month
  • 23
    BillRun

    BillRun

    BillRun Technologies Ltd.

    Take advantage of BillRun Cloud, which offers the identical features as our proven, enterprise-grade billing solution, while avoiding the risk of over-investing during marketplace uncertainty. Pay-as-you-grow design requires no upfront investment and offers easy entry and exit procedures, while providing a reasonably-priced, feature-rich, scalable billing solution that can expand as your company grows. The BillRun open source platform is designed to assist CSPs and Operators through a Telecom BSS platform that is fully transparent and open-source while being far less complex than traditional systems. With no “vendor lock” and the ability to leverage community efforts for robust solutions, you can enjoy reduced OPEX costs with the ability to manage all of your subscribers on a single, efficient billing platform.
  • 24
    Finally

    Finally

    Finally

    Finally is your all-in-one accounting solution, combining intelligent AI powered software with expert support to manage your business finances effortlessly. Designed for small and medium-sized businesses, Finally offer solutions for bookkeeping, taxes, payroll, expense tracking, and corporate credit cards, along with expert support to help you stay on top of your finances. We take the hassle out of financial management, keeping you organized, saving you time, and helping you avoid costly IRS penalties. With Finally, you get both the tools and the service you need to focus on growing your business with confidence.
    Starting Price: $299 per month
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