Open source software refers to software whose source code is available to the public and can be freely modified, distributed, and used by anyone. Here are some examples of open source software:

1. Mozilla Firefox - a web browser that allows users to browse the internet safely and efficiently.

2. LibreOffice - a free and open source office suite that includes word processing, spreadsheet, and presentation software.

3. WordPress - a content management system (CMS) that allows users to create and manage websites and blogs.

4. VLC Media Player - a media player that supports various video and audio formats and can play DVDs, VCDs, and streaming protocols.

5. GIMP - a powerful image editing software that can be used for tasks such as photo retouching, image composition, and graphic design.

6. Apache OpenOffice - a free and open source office suite that includes word processing, spreadsheet, and presentation software.

7. Blender - a 3D creation suite that can be used for tasks such as modeling, animation, and video editing.

These are just a few examples of the many open source software available.

"open suit software." However, if you meant "office suite software," which is a software suite used for productivity and office work, here are some examples of office suite software:

1. Microsoft Office - a popular office suite that includes applications such as Word, Excel, PowerPoint, Outlook, and more.

2. Google Workspace - a cloud-based suite of productivity tools including Google Docs, Google Sheets, Google Slides, and Google Drive.

3. LibreOffice - a free and open-source office suite that includes applications for word processing, spreadsheets, presentations, and more.

4. WPS Office - a cross-platform office suite that includes applications for word processing, spreadsheets, and presentations.

5. iWork - an office suite designed specifically for Apple devices, which includes applications such as Pages, Keynote, and Numbers.

These are just a few examples of the many office suite software available.