Duet

Project management and invoicing for freelancers and small businesses. DuetApp is a PHP application you can run on your server, VPS, or desktop/laptop.

Commercial
Mac OS X
Windows
Linux
Self-Hosted

Project management and invoicing for freelancers and small businesses. DuetApp is a PHP application you can run on your server, VPS, or desktop/laptop.

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The Best 54 Duet Alternatives

839 Like

Trello

Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

Freemium Mac OS X Windows Android iPhone Web

IFTTT integration Real time collaboration Multiple Account support Drag n drop Kanban boards Support for Keyboard Shortcuts Support for @mentions Periodic reminders Planning Board Slack integration
354 Like

Asana

Asana is the easiest way for teams to track their work so they can get results. It’s free to use, simple to get started, and powerful enough to run your entire business.

Freemium Android iPhone Web

Real time collaboration Kanban boards Team Collaboration Team work Bug reporting CRM Goal Tracking Recurring tasks
178 Like

Basecamp

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

Commercial

Real time collaboration Support for @mentions Sync with Google Calendar Gantt charts Content Templates iCal integration Outlook integration Social feed
84 Like

Odoo

Odoo (formerly OpenERP) is a suite of open-source business apps written in Python and distributed under the AGPL license. It is used by 2 million users worldwide to manage companies of all size.

Open Source Freemium Mac OS X Windows Linux Android iPhone Android Tablet Web Windows Phone

Kanban boards CRM Integration with CRMs ERP Integration Fleet management Recruitment management Warehouse management
69 Like

fluxday

Opensource task & productivity management tool for startups, engineered based on the concepts of OKR. In fluxday, you can start by creating the departments of your organization and adding the teams in each department.

Free Open Source Web Self-Hosted Ruby MySQL Community Edition MariaDB
57 Like

BILLmanager

BILLmanager is a highly customizable and flexible billing platform for hosting businesses with full scope of functionality for client management, billing & support.

Commercial Windows Linux Android iPhone iPad Web cPanel VM manager
55 Like

InvoicePlane

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.

Free Open Source Self-Hosted
50 Like

Zenkit

Follow your data through its entire lifecycle. From fluid brainstorming and research, through to a structured system for collaborative use, Zenkit is the flexible workspace you can use to organize anything.

Free Personal Web

Kanban boards Team Collaboration Integrated File Sharing Calendar view Google Calendar integration Customizing Task modularity
40 Like

Invoicera

Invoicera is an online billing software which is specifically designed keeping simplicity and online invoicing convenience in mind, while at the same time offering the best of the breed invoicing features.

Freemium Web
23 Like

Gettick

Work environment designed to maximize team performance and provide managers with a complete overview of the project.

Free Mac OS X Windows Web

Calendar integration Group chat Team work Email tracking Email Analytics
10 Like

ProofHub

ProofHub is a leading cloud-based project management software that helps teams to plan, collaborate, organize and deliver projects on time, and within budget. .

Commercial Android iPhone Android Tablet iPad Web

Google Drive integration Multiple languages Real time collaboration Group chat Kanban boards Subtasks Team Collaboration Team work Dropbox integration Gantt charts
10 Like

Billings Pro

Billings is being merged with Billings Pro. Billings Pro is an award winning invoicing and time tracking solution. Built for small businesses, freelancers and working professionals to help their business grow.

Freemium Mac OS X iPhone
8 Like

Freeter

Smartest way to work on your computer. Freeter is a productivity app that allows you to gather everything you need to work in one place and access them quickly and easily.

Freemium Mac OS X Windows Linux

Workflow Automation Program Launcher
8 Like

billfaster

billfaster is easy-to-use cloud accounting software for startups and small business.

Commercial Mac OS X Windows Android Tablet iPad Chrome OS Web
7 Like

SquidHub

SquidHub is a simple, fun and flexible way to collaborate with friends, family and co-workers. Get a great overview and say goodbye to stress.

Free Android iPhone Web

Real time collaboration Group chat Team work Sync with Google Calendar Built in Calendar Integrated File Sharing Shared calendars
7 Like

ClickUp

ClickUp is an all-in-one project management platform that eliminates the need of using more than one tool for your organization’s workflow.

Freemium Android iPhone Android Tablet iPad Web

Customizable Tabbed interface Drag n drop Kanban boards Support for @mentions Slack integration Hierarchical structure Team Collaboration Commenting Feature Modular System GitHub integration Task assignments
7 Like

FusionInvoice

FusionInvoice is an open source invoicing, quotes, and client management application built for freelancers and small businesses who need a simple, yet powerful self-hosted web based invoicing system.

Commercial Mac OS X Windows Linux Web Self-Hosted PHP
5 Like

Workteam Planner

Incredibly visual work management. With just a few clicks you can create a new plan, build a team, assign tasks, estimate completion and keep everyone up-to-date with the progress of work.

Freemium Web
5 Like

WeDo

WeDo is a simple todo list app for you and your friends, family and co-workers to get things done. With each set of people, known as a Tribe, you have separate tasks and chats with just those people.

Free Mac OS X iPhone

Cloud sync Group chat Group collaboration Team Collaboration Goal Tracking
5 Like

winio

Give your team continuous time for focused work Winio is an organized and flexible space for teams that combines documents, tasks, and discussions to empower transparent collaboration in a peaceful way.

Freemium

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Duet

Links to official Duet sites

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The Best 54 Duet Alternatives

Trello

Asana

Basecamp

Odoo

fluxday

BILLmanager

InvoicePlane

Zenkit

Invoicera

Gettick

ProofHub

Billings Pro

Freeter

billfaster

SquidHub

ClickUp

FusionInvoice

Workteam Planner

WeDo

winio

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