Looking for HR Open Source solution

Hello experts,

I am trying to locate the most stable and most used open source HR solution.  I looked at number of open sources, which they claim to be, but they are not when the number of users goes beyond certain amount or require additional services.  The number of employees I will be using on this service is over 250.  The HR products I looked at was HR.me, OrangeHRM, and couple more.

I am looking forward to your recommendations.

Thanks in advance
Rawand AminAsked:
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David Johnson, CD, MVPRetiredCommented:
Open Source does  not mean free.

You've not stated your requirements with enough detail to have anyone even remotely suggest a solution
Ganesh GuruduSenior ConsultantCommented:
Open Source Software/Products are free, but for any enhancement to the Software/products and Support to the products many not be free.

Rawand AminAuthor Commented:
Open Source is free.  However, some may give you limited access or limited module.  Thanks Ganesh, I already so those links but I am not sure which one to choose and used world wide.  

I am basically looking for an Open Source HR Software Systems without imposing limited User login and it is important to have all necessary modules used by HR department.
David Johnson, CD, MVPRetiredCommented:
What modules / functionality do you need?
Rawand AminAuthor Commented:
The most important Modules I am interested in are:
- Personnel Information Management
- Leave /Time off Management
- Time & Attendance Management
- Employee Self Service
- Recruitment (optional)
- Performance (optional)
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