| PPA Photographers portal | The portal of the "Professional photographers of America" | |
| Aerial Panorama | Collection of 360° Aerial Panorama | |
| 500px | Photo community | |
| Crop Circles | Images of crop circles | |
| iStock Photo | Community and market for stock photos | |
| Shutterstock | Community and market for stock photos | |
| myperspectives | New and/or beautiful perspectives of the world we live in. |
