Top 5 Open Source Workflow Automation Software

Explore the top open-source workflow automation tools, including Apache Airflow, Apache Taverna, jBPM, Camunda, and ProcessMaker, and see how Nected stands out. Find the best fit for your business needs with our comprehensive comparison.

Top 5 Open Source Workflow Automation Software

Mukul Bhati

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Top 5 Open Source Workflow Automation Software
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Open source workflow automation software has emerged as a pivotal tool for businesses looking to enhance productivity without incurring high costs. These platforms offer the flexibility to customize workflows according to specific business needs, alongside the advantage of community-driven enhancements and support. This article presents the top five open source workflow automation software, showcasing their key features and how they can streamline your business processes. By offering a comparison, we aim to provide insights that will help you select the best tool to meet your operational requirements. Each software solution discussed here stands out for its unique capabilities, ensuring that businesses of all sizes can find an option that aligns with their workflow automation goals.

Open Source vs. Closed Source Workflow Automation Software

When considering workflow automation software, the choice between open-source and closed-source solutions can significantly impact an organization's operations. Open-source software offers flexibility, cost-effectiveness, and community-driven innovation, while closed-source software provides security, dedicated support, and polished user experiences. Understanding the differences between these two approaches is crucial for selecting the most suitable solution for your workflow automation needs.

Aspect Open Source Software Closed Source Software
Price Policy Often free of cost, but may have costs for extras like assistance or added functionality. Usually paid software with costs varying based on complexity, offering better support and innovation.
Security Code can be viewed, shared, and modified by the community, leading to quick bug fixes but potential risks. Fixes are handled by the vendor, offering a sense of security but slower response times for issues.
Support Relies on community forums and hired experts for support, lacking dedicated support options. Offers professional support from the vendor with well-organized responses and documentation.
Source Code Allows users to change source code freely, fostering innovation and collaboration within the community. Source code is proprietary and cannot be changed or viewed, contributing to security and reliability.
Usability User guides may be developer-centric and lack conformity to standards in open source software. Closed source software often provides well-written documentation with detailed instructions for users.

In conclusion, both open-source and closed-source workflow automation software have their strengths and weaknesses. Organizations should carefully evaluate their requirements, budget constraints, security concerns, and support needs to make an informed decision that aligns with their business objectives.

know about: How to automate your CRM Workflow using Nected?

Top 5 Open Source Workflow Automation Software

To simplify this task, we've curated a list of the top five open source workflow automation platforms. This selection emphasizes not only the functionality and flexibility of these tools but also their ability to integrate seamlessly into various business operations. For each software, we'll delve into its key features, along with the pros and cons, providing a comprehensive view that aids in making an informed decision. Whether you're a small startup or a large enterprise, understanding the strengths and limitations of these tools is crucial in optimizing your workflow automation strategy. Let's explore these top contenders to identify which software best aligns with your business's specific needs.

1. Apache Airflow

Apache Airflow is a powerful open-source workflow automation tool that allows users to author, schedule, and monitor workflows programmatically. It offers a range of features that make it a popular choice for managing complex workflows efficiently.

Key Attraction Features:

  • Pure Python: Apache Airflow leverages standard Python features to create workflows, enabling users to maintain flexibility in building their workflows using Python's capabilities, including date time formats for scheduling and loops for task generation.
  • Useful UI: The platform provides a robust and modern web application interface for monitoring, scheduling, and managing workflows. Users can easily track the status and logs of completed and ongoing tasks without the need to navigate through old, cron-like interfaces.
  • Robust Integrations: Apache Airflow offers plug-and-play operators that can execute tasks on various cloud platforms like Google Cloud Platform, Amazon Web Services, Microsoft Azure, and other third-party services. This feature makes it easy to integrate with existing infrastructure and adapt to new technologies.
  • Easy to Use: With Apache Airflow, anyone with Python knowledge can deploy workflows. It does not limit the scope of pipelines, allowing users to build machine learning models, transfer data, manage infrastructure, and more.
  • Open Source: Apache Airflow is open-source, allowing users to share improvements easily by opening pull requests. The active user community contributes experiences and knowledge freely.


  • Flexibility: Users can leverage Python's flexibility to create customized workflows tailored to their specific needs.
  • User-Friendly Interface: The modern web application interface makes it easy for users to monitor and manage workflows effectively.
  • Extensive Integrations: The wide range of integrations with cloud platforms simplifies workflow execution across different environments.
  • Community Support: The active user community provides valuable insights and experiences for users seeking assistance or sharing improvements.


  • Technical Expertise: Setting up and configuring Apache Airflow may require some technical expertise, especially for users new to workflow automation tools.
  • Learning Curve: Users unfamiliar with Python or workflow automation concepts may face a learning curve when starting with Apache Airflow.

Apache Airflow stands out as a versatile open-source workflow automation tool that offers extensive flexibility, robust integrations, and an intuitive user interface. While it may require some technical knowledge to set up initially, its features make it a valuable asset for organizations looking to streamline their workflow management processes efficiently.

2. Apache Taverna

Apache Taverna, formerly known as Taverna Workbench, is a domain-independent suite of tools used to design and execute data-driven workflows. It is an open-source software tool that allows users to integrate various software components, including WSDL SOAP or REST Web services, from different providers like the National Center for Biotechnology Information, the European Bioinformatics Institute, and more. Taverna provides a desktop authoring environment and enactment engine for scientific workflows, making it a valuable tool across various domains such as bioinformatics, cheminformatics, medicine, astronomy, and more.

Key Attraction Features:

  • Scientific Workflow Management: Taverna is specifically designed for scientific workflows, allowing users to design and execute complex data-driven workflows efficiently.
  • Integration Capabilities: The tool enables the integration of various software components and services from different providers, enhancing workflow flexibility.
  • Provenance Tracking: Taverna includes features to monitor workflow execution and examine data provenance using W3C PROV-O RDF provenance graphs.
  • Community Support: With an active open-source community since 2003, Taverna has garnered contributions from multiple academic and industry institutions.


  • Domain Independence: Taverna's suite of tools is domain-independent, making it versatile for use in various scientific and research fields.
  • Extensive Service Integration: Users can easily integrate SOAP/WSDL or REST Web services, R statistical services, local Java code, external tools on local and remote machines, XPath manipulation, and more into their workflows.
  • Provenance Tracking: The ability to track workflow execution details and data provenance enhances transparency and reproducibility in scientific research.
  • Community Collaboration: The active open-source community provides valuable insights and support for users seeking assistance or enhancements.


  • Complexity for Beginners: Users new to workflow management tools may find Taverna's features initially overwhelming due to its scientific focus and diverse integration capabilities.
  • Learning Curve: Given its extensive capabilities and domain-specific nature, Taverna may have a learning curve for users unfamiliar with scientific workflows or bioinformatics tools.

Apache Taverna stands out as a powerful open-source workflow management system tailored for scientific workflows. Its integration capabilities, provenance tracking features, and active community support make it a valuable tool for researchers and professionals in various domains requiring complex data-driven workflows.

3. jBPM

jBPM is an open-source Business Automation Toolkit that allows users to automate business processes and decisions based on solid business automation background. It provides various capabilities that simplify and externalize business logic into reusable assets such as cases, processes, decision tables, and more. jBPM can be used as a standalone service or embedded in custom services. It is written in 100% pure Java™ and runs on any JVM, making it compatible with a wide range of environments.

jBPM is known for its light-weight, extensible workflow engine that allows you to execute business processes using the latest BPMN 2.0 specification. It supports adaptive and dynamic processes, which require flexibility to model complex, real-life situations that cannot easily be described using a rigid process. jBPM can be combined with the Drools project to support one unified environment that integrates process management, rules, and events.

Some key features of jBPM include:

  1. Light-weight: jBPM is written in pure Java and is designed to be lightweight, making it easy to integrate into various environments.
  2. Extensible: jBPM offers a wide range of capabilities that can be extended to support different business needs.
  3. BPMN 2.0 Compliant: jBPM supports the latest BPMN 2.0 specification, ensuring compatibility with the latest industry standards.
  4. Process Modeling: jBPM provides tools for modeling business processes, allowing users to visualize and manage their workflows.
  5. Integration: jBPM can be integrated with other tools and frameworks, allowing for seamless integration into existing systems.

Pros of using jBPM include:

  1. Open Source: jBPM is released under the Apache License 2.0, making it freely available for use and modification.
  2. Flexibility: jBPM supports a wide range of business processes and can be used in various industries and domains.
  3. Scalability: jBPM is designed to handle complex workflows and can scale to meet the needs of large organizations.

Cons of using jBPM include:

  1. Learning Curve: jBPM may require some technical expertise to set up and configure, which could be a barrier for less experienced users.
  2. Limited User Interface: While jBPM offers a web-based modeler, it may not be as user-friendly as some other BPM tools.

In conclusion, jBPM is an open-source Business Automation Toolkit that offers a light-weight, extensible workflow engine for executing business processes using the latest BPMN 2.0 specification. It is known for its flexibility, scalability, and integration capabilities. While it may have a learning curve and limited user interface, its open-source nature and wide range of features make it a valuable tool for automating business processes.

4. Camunda

Camunda is a robust open-source workflow and decision automation platform that offers process orchestration capabilities to organizations of any size. It provides a comprehensive suite of tools for creating, automating, and improving processes, making it a valuable asset for businesses seeking efficient workflow management solutions.

Key Attraction Features:

  • Process Orchestration: Camunda's platform allows developers to design, automate, and improve processes, offering end-to-end automation capabilities.
  • Extensive Integration: The tool supports the creation of microservices in various programming languages like Java, C#, Python, Go, Typescript, and Haskell, enabling developers to build applications efficiently.
  • BPMN & DMN Standards: Camunda adheres to Business Process Model and Notation (BPMN) and Decision Model and Notation (DMN) standards, facilitating collaboration between teams and ensuring effective communication.
  • Open Architecture: With an open architecture, Camunda can easily integrate with common technical architectures and frameworks, providing flexibility for developers.
  • Monitoring & Optimization: The platform offers tools like Operate for technical process operations, Tasklist for end-user task management, Optimize for analytics and reporting, and Modeler for collaborative process diagram creation.


  • Universal Capabilities: Camunda's process orchestration platform is universally capable, allowing users to orchestrate processes across various endpoints efficiently.
  • Community Support: With a vibrant community of over 100,000 developers, Camunda offers open APIs for seamless integration with different systems and tools.
  • Scalability & Resilience: The platform provides unparalleled speed, scale, and resilience, ensuring consistent performance even with a high volume of transactions.
  • User-Friendly Tools: Camunda's additional web applications like Operate, Tasklist, Optimize, and Modeler offer user-friendly interfaces for monitoring workflows, managing tasks, optimizing processes, and creating process diagrams.


  • Complexity for Beginners: Users new to workflow automation tools may find Camunda's extensive features initially challenging due to its diverse capabilities and technical nature.
  • Proprietary Licenses: While some components are licensed under the MIT License, other parts of Camunda are under proprietary licenses which may limit certain usage scenarios.

In conclusion, Camunda stands out as a versatile open-source workflow automation platform that offers extensive integration capabilities, adherence to industry standards like BPMN & DMN, and a range of user-friendly tools for monitoring and optimizing workflows. While it may have a learning curve for beginners and some proprietary licensing aspects to consider, its scalability, resilience, and community support make it a valuable solution for organizations looking to streamline their workflow automation processes effectively.

5. ProcessMaker

ProcessMaker is a versatile open-source workflow and BPM software suite that empowers organizations to streamline their processes efficiently. It offers a range of features designed to automate workflows, design forms, create documents, and enhance overall process management.

Key Attraction Features:

  • Workflow Automation: ProcessMaker provides tools to automate workflows, allowing users to streamline and optimize their business processes effectively.
  • Form Design: The platform includes a cloud-based drag-and-drop process modeling tool that enables users to create and edit process diagrams using BPMN standards.
  • Customization: ProcessMaker allows users to customize various aspects of their processes, including forms, underlying logic, and email notifications, providing flexibility in workflow design.
  • Integration Capabilities: Users can integrate SOAP/WSDL or REST Web services, R statistical services, local Java code, external tools on local and remote machines, XPath manipulation, and more into their workflows.
  • Reporting & Analytics: The platform offers tools for building custom dashboards and reports to monitor and optimize workflow performance.


  • Workflow Automation: ProcessMaker simplifies the automation of manual processes, reducing the need for paper-based authorizations through digital signatures.
  • Customization: Users can design their own web forms as the start of the workflow, enhancing flexibility in process design.
  • Reporting & Analytics: The platform provides insights into performance metrics, enabling users to optimize processes for improved efficiency.
  • Integration Capabilities: ProcessMaker's integration with various platforms allows for seamless connectivity and data exchange between systems.


  • Usability Challenges: Some users have reported usability challenges with the interface and front-end frameworks when designing web entry forms.
  • Bug Fixing Time: Users have noted that bug fixes may take some time to be addressed by the development team, impacting the user experience in certain scenarios.

In conclusion, ProcessMaker is a valuable BPM software solution that offers workflow automation, customization capabilities, integration options, and reporting features. While it may have some usability challenges and bug-fixing timelines to consider, its open-source nature and range of functionalities make it a compelling choice for organizations looking to enhance their workflow management processes efficiently.

know about: How to Automate Document Workflow Using Nected?

How to Pick the Best Open-Source Workflow Management Software?

When choosing the best open-source workflow management software, consider the following five key factors:

  1. User Interface: Opt for a software with an intuitive and user-friendly interface that can be easily understood and operated by your team, even if they are not tech-savvy.
  2. Scalability: Select a software that can easily scale with your organization's growth, offering the flexibility to handle increasing workloads and complexity.
  3. Integration Capabilities: Choose a software that seamlessly integrates with your existing systems and tools, allowing for efficient data exchange and process automation.
  4. Community Support: Consider a software with a strong and active community, as this can provide valuable support, resources, and updates to help you make the most of the software.
  5. Ease of Setup and Customization: Look for a software that is relatively easy to set up and customize, allowing you to tailor it to your specific needs without requiring extensive technical expertise.

By considering these factors, you can narrow down your options and find the best open-source workflow management software for your organization. And if we take these 5 key factors in consideration, Nected stands out among these five open-source workflow automation software options due to its user-friendly interface, ease of setup, and seamless integration across multiple platforms. While Apache Airflow, Apache Taverna, jBPM, Camunda, and ProcessMaker each have their strengths, Nected offers a more intuitive design that simplifies the process of creating and managing workflows.

Comparing Nected with other Open-source Softwares

The comparison table provided highlights key features of each software:

Feature Apache Airflow Nected Apache Taverna jBPM Camunda ProcessMaker
User Interface Complex, requires technical know-how Most user-friendly with intuitive design Technical, designed for scientific users Developer-oriented, Java-based Developer-friendly but complex for beginners User-friendly with drag-and-drop interface
Scalability Highly scalable with complex setups Easily scalable with minimal setup Scalable, with focus on scientific workflows Scalable within Java ecosystems Highly scalable, supports large deployments Scalable across organizational sizes
Integration Capabilities Extensive, requires custom development Seamless integration across multiple platforms Limited to scientific applications Strong in Java environments Broad BPMN support for business processes Good, with focus on process automation
Community Support Strong, with a focus on developers Extensive support and vibrant community Niche, scientific community Java and BPM community Large, active BPM community Growing, with a focus on process automation
Ease of Setup Requires significant technical expertise Simpler setup for non-technical users Technical expertise needed, especially in scientific contexts Java knowledge required Some technical knowledge needed Relatively easy with drag-and-drop
Customization High, with technical knowledge High and accessible customization options High in scientific contexts High, within Java applications High, with BPMN 2.0 modeling Moderate, aimed at process automation
Focus Area Workflow scheduling and data engineering Broad focus, including CRM and beyond Scientific workflows Business process management in Java Business process automation and modeling Business process management and automation

In conclusion, when selecting the right open-source workflow automation software, it's essential to align your choice with your specific business needs, technical capabilities, and strategic goals. Each platform offers unique strengths: Apache Airflow and Apache Taverna excel in specific technical environments, jBPM and Camunda are robust in business process management, especially for Java enthusiasts, and Process Maker focuses on accessibility and process automation. Nected stands out for its user-friendliness, scalability, and broad integration capabilities, making it a versatile choice for various business applications beyond CRM. Ultimately, the best software depends on your requirements, including the complexity of workflows, the technical proficiency of your team, and the need for customization and support. Consider each option carefully to ensure the chosen solution enhances your operational efficiency and meets your business objectives.


In conclusion, the landscape of open-source workflow automation software is rich and varied, with each option offering distinct advantages tailored to different organizational needs and technical environments. From Apache Airflow's and Apache Taverna's specialized applications to jBPM's and Camunda's focus on business process management, and ProcessMaker's ease of use, there's a solution for nearly every scenario. Nected emerges as a particularly compelling choice, given its emphasis on user-friendliness, scalability, and broad applicability across diverse business contexts. As you consider which software to adopt, reflect on your specific workflow requirements, team's technical expertise, and the level of support you might need. The right tool should not only align with your current needs but also adapt to your evolving business processes, enabling you to automate efficiently and effectively. Make an informed decision based on a careful evaluation of each option's strengths and limitations, ensuring your chosen workflow automation software drives productivity and contributes to your organization's success.


Q1. What are the benefits of open-source workflow automation software compared to commercial options?

Open-source workflow automation software offers cost-effectiveness, customizability, and vibrant community support, making it a compelling choice for businesses looking to manage workflows efficiently.

Q2. How can I ensure a smooth transition to open-source workflow management tools for my team?

To transition smoothly, ensure your team has some DevOps skills to handle open-source tools effectively. Look for tools that offer both cloud and self-hosted versions to provide flexibility in deployment options.

Q3. What key features should I consider when selecting open-source workflow automation software?

When choosing software, prioritize factors like user interface intuitiveness, scalability, integration capabilities, community support, ease of setup, and customization options to meet your organization's specific needs.

Q4. Why is workflow automation software essential for project management efficiency?

Workflow automation software streamlines and optimizes business processes by automating tasks, freeing up time for strategic work. It enhances efficiency, reduces errors, and saves time in managing complex workflows.

Q5. How can workflow automation software benefit organizations and employees?

Workflow automation helps increase efficiency, reduce errors, boost productivity, speed up processes, and allow employees to focus on tasks that require human intellect. It also enables workers to automate manual processes within their workplaces.

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