| Server Name | Services |
| GWS (Google Web Server) | Web Search, Image Search and many other services |
| GFE/1.3 (Google Front-End) | Gmail, Calendar, Picasa Web Albums, Docs, Blogger, orkut, Reader and many other services |
| GWS-GRFE/0.50 | Groups |
| bsfe (Blog Search Front-End) | Blog Search |
| OFE/0.1 (Ocean Front-End) | Book Search, Patent Search, Catalogs (Ocean is Google Book Search's code-name) |
| SMS search frontend 1.0 | Google SMS |
| Search-History HTTP Server | Web History |
| Auto-Completion Server | Google Suggest, Firefox/Google Toolbar auto-complete |
| TrustRank Frontend | Safe Browsing |
| GCS/1.0 | Safe Browsing |
| SFE/0.8 | Finance |
| FTS (C)1997-2007 Interactive Data Managed Solutions AG | Finance charts |
| asfe | Base |
| mediaserver | Base (images) |
| cffe | Product Search (Froogle) |
| btfe | Thumbnails: Image Search, Google Video, Youtube |
| Video Stats Server | Google Video |
| cachefe:image (Cache Front-End) | Picasa Web photos |
| staticfe | interface images (Picasa Web) |
| ctcserver | Google Call ( www.google.com/call ) |
| GoogleChartServer/1.0 | used for dynamically-generated charts (e.g.: Google Video's stats) |
| NFE/1.0 (News Front-End) | News |
| mfe (Maps Front-End) | Maps |
| Keyhole Server 2.4 | Maps, Earth (imagery) |
| PSFE/4.0 | Alerts |
| igfe (iGoogle Front-End) | iGoogle |
| COMINST/1.0 | Testing software installation (Pack, Picasa) |
| TWS/0.9 (Translation Web Server) | Translate |
| mws (Music Web Server) | Music Search |
| R2FE/1.0 (Reviews Front-End) | Reviews (Music, Movies) |
| zfe | Reviews |
| pfe | Co-op |
| codesite/5477219 | Code |
| ga-reporting-fe | Analytics reporting |
| ucfe | Analytics |
| lpfe | Analytics (www.google-analytics.com/siteopt.js) |
| Toolbar Gaia User Service Server | Google Toolbar authentication |
| cafe (Ad Conversion Front-End) | Conversions |
| AdClickServer | Google test ad server |
| Google Trends | Google Trends |
| TFE/0.0 (Transliteration Front-End) | Google Indic Transliteration |
| Apache | most Labs services |
{ Thanks, Tony. }