| System | Number of languages | Free |
| TextCat | 69 | free |
| Alis | 20 | ? |
| Xerox MLTT Language Identifier | 47 | commercial |
| SUN's language identifier | 12 | ? |
| Collexion | 15 | commercial |
| Stochastic Language Identifier | 13 | free |
| Another demo of TextCat, with different language models, by Beat Flepp. | 11 | cf. TextCat |
| Natural Language Identification Tool (Giguet) | 4 | ? |
| Neural Network for Language Identification | 4 | ? |
| IDRIS LingWhat? | ? | ? |
| Language Identification program by Ted Dunning | 2 | free |