| services                                                | support subscribe | support create/delete tag | support star | support fetch by feed |
|---------------------------------------------------------|-------------------|---------------------------|--------------|-----------------------|
| feedly                                                  | ✅              | ✅                      | ✅         | ✅                  |
| gr api (inoreader / bazqux / the old reader / freshrss) | ✅              | ✅                      | ✅         | ✅                  |
| feedbin                                                 | ✅              | ✅                      | ✅         | ❌                 |
| tiny tiny rss                                           | ✅              | ❌                     | ✅         | ✅                  |
| fever api                                               | ❌             | ✅                      | ✅         | ❌                 |