Programs capable of Astrometric solving:
| Engine | Front-end/ installer | License | External access | Blind solving 360° (off line) | Cloud access to nova.astrometry.net | MS-Windows (X86) | Linux (X86) | Linux (ARM) | MacOS | |
|---|---|---|---|---|---|---|---|---|---|---|
| Astrometry.net | GPL3+ | command-line nova.astrometry.net | ✓ | ✓ | ✓(Win10 Linux subsystem) | ✓ | ✓ | ✓ | ||
| ,, | All sky solver (inc Astrometry.net installer) | GPL3+ | COM interface | ✓ | - | ✓(Linux emulator Cygwin) | - | - | - | |
| ,, | ANSVR (inc Astrometry.net installer) | GPL3+ | API interface | ✓ | - | ✓(Linux emulator Cygwin) | - | - | - | |
| ,, | Astrometry.net API lite (inc. installer) | GPL3+ | API interface | ✓ | - | ✓(Win10 Linux subsystem) | ✓ | - | - | |
| ,, | Astrotortilla (inc. Astrometry.net installer) | GPL3+ | - | ✓ | - | ✓(Linux emulator Cygwin) | - | - | - | |
| ,, | Cloudmakers (inc. Astrometry.net installer) | GPL3+ | ? | ✓ | - | - | - | - | ✓ | |
| ,, | StellarSolver | GPL3+ | - | ✓ | - | ✓ | ✓ | ? | ✓ | |
| ASTAP | MPL 2.0 | command-line | ✓ | - | ✓ | ✓ | ✓ | ✓ | ||
| PlateSolve2 v2.28 | Free to use | command-line | - | - | ✓ | - | - | - | ||
| Regim | Free to use | - | - | - | ✓ | ✓ | ? | ✓ | ||
| Siril | GPL3+ | - | - | - | ✓ | ✓ | ✓ | ✓ | ||
| SIPS | Free to use | - | - | - | ✓ | - | - | - | ||
| Tetra3 | MPL 2.0 | Python3 class | - | - | ✓ | ✓ | ✓ | ✓ | ||
| XParallax viu | Free software, CC BY-NC-ND 4.0 | - | - | - | ✓ | - | - | - | ||
| Astrometrica | Proprietary | - | - | - | ✓ | - | - | - | ||
| Image Link | TheSkyX | Proprietary | - | ✓ | - | ✓ | ✓ | - | ✓ | |
| Observatory | Proprietary | - | - | ✓ | - | - | - | ✓ | ||
| PinPoint | Proprietary | DLL | ✓using external programs ANSVR & Astrometry.net | ✓ | ✓ | - | - | - | ||
| PixInsight | Proprietary | - | - | - | ✓ | ✓ | - | ✓ | ||
| PlateSolve3 | Proprietary | command-line | ✓ | - | ✓ | - | - | - | ||
| PRISM Pro | Proprietary | - | ✓ | ✓ | ✓ | - | - | - |
The solvers Elbrus and Charon are obsolete and no longer developed.