Duet AlternativesInvoicing Software & Project Management Tools like Duet

Duet is described as 'Project management and invoicing for freelancers and small businesses. DuetApp is a PHP application you can run on your server, VPS, or desktop/laptop' and is a Invoicing software in the business & commerce category. There are more than 50 alternatives to Duet for a variety of platforms, including Web-based, Mac, iPhone, Android and iPad apps. The best Duet alternative is Trello, which is free. Other great apps like Duet are Odoo, ClickUp, Basecamp and Zenkit.

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Alternatives list

  1. Trello icon

    Trello

     1235 likes
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    Organize and visualize tasks with Trello's boards, lists, and cards. Customize workflows for projects, streamline team collaboration, and integrate tasks seamlessly without starting from scratch. Suitable for meetings, onboarding, and brainstorming with proven playbooks.

    148 Trello alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    • Android Wear
    • Kindle Fire
    • Software as a Service (SaaS)
    Trello screenshot 1
     

    • Trello is the most popular Web-based, Windows, Android & Mac alternative to Duet.

    • Trello is the most popular free alternative to Duet.

    • Trello is Freemium and ProprietaryDuet is Paid and Proprietary
    • Trello is CustomizableDuet is not according to our users
  2. Odoo icon

    Odoo

     140 likes
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    Open-source business application suite developed in Python, offering ERP, CRM, e-commerce, and project management, reducing software needs and synchronization costs with over 260 core modules.

    222 Odoo alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application type

    Platforms

    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    Odoo Home
     

    • Odoo is the most popular Linux & Self-Hosted alternative to Duet.

    • Odoo is the most popular Open Source alternative to Duet.

    • Odoo is Freemium and Open SourceDuet is Paid and Proprietary
  4. ClickUp icon

    ClickUp

     98 likes
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    All-in-one system integrates project, task, and time management with customizable modular dashboards, collaborative image annotation, multiple task views, and granular workflow customization for teams of any size or industry, streamlining complex to simple projects.

    158 ClickUp alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    • Software as a Service (SaaS)
    ClickUp screenshot 1
     
  5. Ad
    Screenshot
    Invoicera icon
    Invoicera

    A comprehensive invoicing platform offering customizable templates, tax compliance, fraud protection, and client portal. Supports software integration, online estimates, GST invoicing, recurring billing, credit management, and gl...

    https://www.invoicera.com
    Learn More
  6. Basecamp icon

    Basecamp

     241 likes
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    Basecamp is a web-based project collaboration tool that allows groups of people to share files, meet deadlines, assign tasks, and centralize feedback.

    102 Basecamp alternatives

    Cost / License

    • Subscription
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
    Basecamp home screen
     

    • Basecamp is the most popular commercial alternative to Duet.

    • Basecamp is Paid and ProprietaryDuet is also Paid and Proprietary
  7. Zenkit icon

    Zenkit

     208 likes
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    Zenkit is a hyper-flexible SaaS platform for managing projects, databases, and more. Use Kanban boards, tables, or custom views to organize tasks, track data, and collaborate with your team. Build a CRM, financial planner, or simply plan your day—all in one intuitive workspace.

    101 Zenkit alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
    • Software as a Service (SaaS)
    Zenkit screenshot 1
     
  8. Midday icon

    Midday

     14 likes
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    Midday provides you with greater insight into your business and automates the boring tasks, allowing you to focus on what you love to do instead.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    Midday screenshot 1
     
  10. Widget-Board icon

    Widget-Board

     22 likes
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    Widget Board is a productivity tool that lets you create custom boards with your favorite widgets such as tasks, notes, media, date & time, weather, calendar and so much more!.

    69 Widget-Board alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
    • Google Chrome
    • Context Chrome Extension
    • Software as a Service (SaaS)
    Widget-Board screenshot 1
     
  11. InvoicePlane icon

    InvoicePlane

     73 likes
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    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.

    116 InvoicePlane alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    Dashboard
     
  12. Onigiri icon

    Onigiri

     12 likes
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    Simplify your freelance business with a tailor-made toolkit: invoices, project management, proposals, client portal & more.

    Cost / License

    • Subscription
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Onigiri screenshot 1
     
  13. Invoicera icon

    Invoicera

     41 likes
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    A comprehensive invoicing platform offering customizable templates, tax compliance, fraud protection, and client portal. Supports software integration, online estimates, GST invoicing, recurring billing, credit management, and global operations with multilingual and multicurrency support.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    Invoicera screenshot 1
     
  14. insightly icon

    insightly

     22 likes
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    Insightly is a web-based application that serves as a project management tool and a Customer Relationship Management (CRM) system. It integrates with Google Apps through a Gmail gadget and supports Google Docs.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    insightly screenshot 1
    insightly screenshot 2
    insightly screenshot 3
     
  15. Manta icon

    Manta

     8 likes
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    Painless invoicing with stunning customizable templates.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    Manta screenshot 1
     
12 of 55 Duet alternatives