SimpleInvoices is an open-source software application designed to simplify the task of generating invoices and managing financial records within the realm of information technology. This intuitive tool is particularly useful for small and medium-sized businesses in the IT sector, providing them with a user-friendly interface and a set of features that streamline the invoicing process.


SimpleInvoices offers a comprehensive solution for businesses involved in software development, coding, and other IT-related activities. With its clean and intuitive interface, the application allows users to create and customize professional-looking invoices in a matter of minutes. Moreover, the software enables businesses to effectively manage their financial records, tracking payments, and keeping a record of outstanding invoices.


  1. Streamlined Invoicing Process: SimpleInvoices simplifies the otherwise complex task of creating and managing invoices. It offers pre-designed templates that can be easily customized to suit individual business requirements. This saves time and ensures a professional presentation of the invoices.
  2. Automated Financial Record Keeping: The software provides a systematic approach to managing financial records. It allows businesses to track payments, generate reports, and monitor outstanding invoices. This automation alleviates the need for manual bookkeeping, reducing human errors and improving efficiency.
  3. Versatility and Flexibility: SimpleInvoices supports multiple currencies and tax systems, catering to businesses with diverse international clientele. It also offers customizable invoice layouts, enabling businesses to maintain a consistent brand identity. Additionally, the application can be hosted on-premises or on the cloud, providing flexibility in terms of deployment options.
  4. Integration Capabilities: SimpleInvoices integrates seamlessly with other software applications commonly used in the IT industry. This includes customer relationship management (CRM) systems, project management tools, and accounting software. These integrations provide businesses with a cohesive ecosystem, ensuring seamless data flow and reducing redundancy.


SimpleInvoices finds relevance in various sectors related to information technology, including:

  1. Software Development Companies: SimpleInvoices is particularly beneficial for businesses involved in software development, enabling them to generate accurate and professional invoices for their clients. The application assists in streamlining the financial aspect, allowing software development companies to focus on their core competencies.
  2. IT Consultancy Firms: Consultants in the IT sector often have multiple clients, each with distinct invoicing requirements. SimpleInvoices simplifies this process, allowing consultants to create customized invoices, track payments, and maintain financial records for various projects concurrently.
  3. Custom Software Developers: Businesses specializing in custom software development can leverage SimpleInvoices to generate invoices tailored to individual client projects. The application’s versatility allows for the inclusion of project-specific details, facilitating transparency and trust between the developer and the client.
  4. Personnel Management in the IT Sector: SimpleInvoices can assist in personnel management by tracking billable hours, calculating payments, and generating payroll reports. This feature is especially useful for businesses that rely on contract workers or freelancers.


SimpleInvoices offers a user-friendly and efficient solution for businesses in the information technology sector. Its features cater to the specific invoicing and financial record-keeping needs of software development companies, IT consultancy firms, custom software developers, and businesses involved in personnel management within the IT industry. By simplifying the invoicing process and automating financial record keeping, SimpleInvoices contributes to improved efficiency, increased accuracy, and enhanced professionalism within the IT realm.

This glossary is made for freelancers and owners of small businesses. If you are looking for exact definitions you can find them in accounting textbooks.

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