Here some Google Reader Open Source alternatives with the most expected features.
Please fork and help me to keep it updated.
| Name | language | Database | has categories | Responsive/Mobile |
|---|---|---|---|---|
| Commafeed | java | hsql,mysql/postgresql | ✓ | ✓ |
| Freader | nodejs | mongodb | ✕ | ??? |
| Goread | go | appengine | ✓ | ✓ |
| Miniflux | php | sqlite | ✕ | ✓ |
| NewsBlur | python | postgresql,others | ✓ | via app |
| Leselys | python | mongodb | ✕ | ✓ |
| Selfoss | php | mysql/postgresql/sqlite | ✓ | ✓ |
| Sismics Reader | java | ??? | ✓ | ✓ |
| Stringer | ruby | postgresql | ✕ | ✓ |
| Tiny Tiny RSS | php | postgresql/mysql | ✓ | via app |
| 1kplus Reader | ruby | postgresql | ✓ | ✓ |
Feedbin is FOSS too: https://github.com/feedbin/feedbin