RTSL
| Acronym | Definition |
|---|---|
| RTSL | Run Think Shoot Live (gaming) |
| RTSL | Radio Timeslot |
| RTSL | Reuters Transaction Services Limited (Thomson Reuters) |
| RTSL | Real-Time Systems Laboratory |
| RTSL | Real-Time Shading Language (Stanford University) |
| RTSL | Real Time Systems Ltd. (various locations) |
| RTSL | Ratcliffe Technical Services Limited (Kent, England, UK) |
| RTSL | Real Time Strategy League (gaming clan) |
| RTSL | Read the Source, Luke (open source programming) |