17 Best Open Source HR Software Reviewed for 2026

Odoo Employees is an HR system that feels straightforward from day one. It keeps employee records, time off, appraisals, and onboarding in one familiar interface, making it a strong fit for small to mid-sized companies that value clarity over complexity.

Why I Picked Odoo Employees

I picked Odoo Employees because it keeps core HR workflows simple without stripping away essential functionality. You manage employee profiles, contracts, roles, and reporting lines from a single dashboard, so your team doesn’t have to jump between tools to find basic information.

Common actions—like requesting time off, approving leave, or updating employee details—are handled through clear forms and guided flows that reduce mistakes. I also like that HR data automatically carries over into related modules like payroll and planning, which cuts down on duplicate entry. Overall, it’s easy to get value quickly without configuring dozens of settings upfront.

Odoo Employees Key Features

Here are some key features worth highlighting:

• Employee self-service portal: Employees update personal details and submit leave requests without HR intervention.
• Structured org charts: Visualize reporting lines and departments automatically from employee records.
• Simple onboarding workflows: Assign tasks and documents to new hires using predefined checklists.
• Built-in appraisals: Run performance reviews with clear forms and scheduled review cycles.

Odoo Employees Integrations

Integrations include Odoo Recruitment, Odoo Time Off, Odoo Attendances, Odoo Payroll, Odoo Planning, Odoo Documents, Odoo Projects, and Odoo Accounting.

OrangeHRM is an open-source HR management platform built for small to mid-sized teams that need a reliable way to organize and maintain employee data across the full HR lifecycle. It’s a strong fit for organizations that want a centralized personnel system without hefty licensing fees, plus the flexibility to tailor workflows as they grow.

Why I Picked OrangeHRM

I picked OrangeHRM because it excels at keeping all your employee information accurate, accessible, and structured in one system. Its centralized employee records act as a single source of truth, pulling together personal details, job history, reporting lines, and employment status in one place.

You can control access through role-based permissions, so managers and HR teams see only what’s relevant to them, and I also like that employee self-service keeps data up to date by letting your team manage their own profiles and requests. Combined with flexible deployment options, it gives you strong control over how personnel data is stored and managed.

OrangeHRM Key Features

Here are some standout features worth highlighting:

• Central Employee Database: Stores contracts, job history, reporting structure, and personal details in one record.
• Role-Based Access Controls: Restricts sensitive personnel data based on user roles and permissions.
• Leave & Attendance Tracking: Links time-off records directly to employee profiles for accurate workforce data.
• Performance Management: Connects goals and reviews back to individual employee records.

OrangeHRM Integrations

Integrations include Google Calendar/iCal, LinkedIn (job posting), Monster, Workable, Recruitee, TeamTailor, iSpring LMS, ZKTeco (time and attendance hardware), and ADP Workforce Now.

Bitrix24 is built for small businesses that want their HR system to double as a day-to-day workspace. It combines core HR tools like employee records, leave management, and time tracking with built-in communication and task management.

Why I Picked Bitrix24

I picked Bitrix24 because it gives small businesses a practical way to manage HR without buying and maintaining multiple systems. You can store employee profiles, roles, and organizational structure in one place, while handling leave requests and approvals through automated workflows.

I like that HR processes live alongside chat, video calls, and task management, so your team doesn’t have to switch tools to get work done. Its built-in time and attendance tracking helps you keep tabs on working hours without extra software. For small teams especially, the generous free plan makes it easier to get started without upfront costs.

Bitrix24 Key Features

Here are some key features worth highlighting:

• Employee Directory & Org Chart: Manage employee profiles, reporting lines, and access permissions centrally.
• Leave & Absence Management: Handle time-off requests, approvals, and absence calendars in one system.
• Time Tracking & Work Schedules: Track hours, shifts, and attendance for payroll or internal reporting.
• HR Workflow Automation: Automate routine tasks like approvals, onboarding steps, and internal requests.

Bitrix24 Integrations

Integrations include Microsoft 365, Google Workspace, Zoom, Slack, Dropbox, OneDrive, Mailchimp, and social media authentication via the Bitrix24 Marketplace.

WRP ERP is a versatile open-source HR software that offers many functionalities to meet your company’s needs. It works best if your company uses a WordPress-based system. On top of core HR modules, you can add other modules that you need like employee recruitment, inventory, asset management, and payroll.

You can also use WRP ERP to help boost your marketing and promotions efforts through its email marketing module. It also has a workflow management module to help you design workflows to help you and your employees optimize existing processes to make them more efficient.

If your company needs an open-source business software suite, you might want to try WP ERP because it has a wide variety of core modules you can use to manage your business, including HR, CRM, and Accounting modules.

Being an open-source software means you have free rein to customize the software if you have specific business needs you want to address. It is also free, so you don’t have to worry about a monthly fee just to use the software.

With the help of WP ERP, you can take care of employee needs like leave management and compensations and benefits in a centralized system.

WRP ERP is free software.

ERPNext is a comprehensive open-source cloud ERP software designed to meet a wide range of business needs. It offers features for human resource management, such as employee lifecycle management, recruitment, onboarding, performance appraisals, and payroll processing. These tools allow HR departments to manage employee information efficiently, track attendance, process leave applications, and handle payroll, ensuring a seamless HR experience.

One of the key strengths of ERPNext as an HR software is its ability to automate and streamline various HR processes. Its user-friendly interface and customizable workflows help HR professionals save time and reduce manual errors. The software also supports detailed employee records, including personal details, job profiles, and salary structures, enabling comprehensive employee management. 

ERPNext is free to use, but users can opt for paid cloud hosting and support services.

ADempiere is an open-source Enterprise Resource Planning (ERP) software designed to streamline and automate business processes across various domains, including finance, materials management, and project management. Developed by a global community, ADempiere offers a modular architecture that allows businesses to customize the platform to meet their specific needs. 

As an HR software, ADempiere excels in providing features that cater to the complete employee lifecycle. Its HR management module includes functionalities for recruiting, employee records management, payroll processing, and time and attendance tracking. The software's robust reporting tools and integration capabilities with other systems also ensure that HR managers can efficiently handle large amounts of data and generate insightful reports.

ADempiere is free to use.

Dolibarr is a comprehensive open-source ERP and CRM software designed to cater to the needs of businesses of all sizes, from small and medium-sized enterprises to large corporations. Its modular architecture allows users to enable only the specific features they require, making it a versatile tool for managing various aspects of business operations, including HR.

It includes modules for managing employee records, attendance, leave, and payroll, ensuring that HR operations are streamlined and efficient. The software also supports recruitment processes, allowing HR teams to post job vacancies, track applications, and manage candidate information.

Dolibarr is free to use. There's also a free online demo available.

IceHrm is a human resource management system that can be deployed on-premise or hosted in the cloud. It covers all primary HR needs, including leave management, time management, and managing employee data. Other features include timesheets, attendance administration, and travel management.

This application also provides you with an internal job portal. You can post ads directly to job sites and social media. Using the built-in features, it's also possible to create job ads that will get attention.

IceHrm costs from $0.90/user/month. A 45-day trial is available.

monday.com’s flexible Work OS platform makes it easy to streamline many different types of data collection processes, depending on what you need. HR teams can use it to efficiently track core HR functions like employee data, leave management requests, performance reviews, recruiting, onboarding, learning and development, and much more. With 200+ pre-built templates to choose from, it’s fast and easy to migrate your data to their system, including the ability to upload data from existing Excel spreadsheets. Once you’re all set up, you also have the option to view your data in many different visual formats too, including bar and line graphs, pie charts, and Gantt charts.

In terms of their open-source capabilities, users who are feeling adventurous can take advantage of their Developer tool, which enables you to create your own customized processes within monday’s system. Once you’ve completed your app design, you have the option to keep it private, make it public, or share it in the monday apps marketplace. In addition, you can also browse the existing third-party apps in the monday.com app marketplace to see if the feature you’re craving has already been developed.

For very small teams, monday.com offers a free forever plan (with limited features) for two users. Beyond that, their paid service levels start at $8/user/month. A free 14-day trial is available too.

TimeTrex's community edition is an open-source human resources software that offers a suite of tools to manage your workforce effectively. It provides solutions for time and attendance tracking, payroll processing, and employee scheduling, all accessible through a web browser. This flexibility allows you to oversee HR functions from virtually anywhere.

I chose TimeTrex for its comprehensive time and attendance tracking capabilities. It enables your team to clock in and out using various methods, ensuring accurate time records. The software also supports leave management, allowing employees to request time off and view their accruals, which helps maintain transparency and efficiency in managing absences.

TimeTrex's community edition is free to use. Paid plans offer more advanced features.

This open-source HR management software offers a wide range of features. These include an applicant tracking system, a centralized employee database, and HR processes administration.

The software offers transparent appraisal strategies for employees to increase engagement. The attendance management feature tracks leave and attendance in real-time.

The software is designed to be visually appealing and easy to use. Managers can quickly bring up a view of the core KPIs to stay on top of the most important metrics.

Open HRMS costs from $499/user/month. There is no free version.

MintHCM is a human capital management (HCM) system that grew out of CRM technology. This unique approach to development has created a unique approach to HR management. Yet due to the open-source nature of the system, there are no limitations on what is possible.

The suite encompasses 16 different HCM-related features. These include recruitment, onboarding, time management, analytics, and employee performance management. Together they offer a coherent, holistic approach to managing people.

Mint HCM is free for 1-10 employees. For larger organizations, a premium version is offered from $4/user/month.

This is a cloud-based, open-source HR software system that offers performance appraisal, leave management, and time tracking features.

Managers can track employees' personal information and manage hiring decisions. The background check function helps improve the hiring process, allowing managers to check the status of checks as they move through the system.

Sentrifugo includes an employee self-service portal where staff can log in to access and update their details. They can also view policy documents, such as employee handbooks. Employees can also add self-appraisals and comments for managers.

Sentrifugo is open source and free to use.

WaypointHR is an open-source human resource management system. A simple 5-step wizard makes it easy to add new employees, while layering features provide multiple ways to view data. Company reports can be created, exported to PDF or printed as required.

The software also optimizes staff utilization through its Redundancy Selection Criteria Matrix. This helps managers to assess, score and rank staff according to skills, attitude and behavior. With the help of this data, HR managers can decide which staff members to retain. This can also help with compensation management around promotions, bonuses, commission, and so on.

WaypointHR is free to use.

Bazara HCM offers a comprehensive range of features and functions for managing human capital. These include employee management, casuals administration, project management, and arbitration. The system also supports performance appraisal, training, and development.

The strength of this suite is its extended scope. In addition to encompassing traditional, core human resource functions, it also incorporates key aspects of talent management. This makes it a great one-stop, open-source HR solution.

Bazara HCM costs from $20/feature/month. There is no free trial.