| Assert | Assertion helpers |
| Complete | Complete string input using a grammar graph |
| Node configuration | Configure nodes behavior through generic API |
| Dictionary | Simple hash table API (string keys) |
| Editline | Helpers for editline |
| Hash table | Simple hash table API (any key) |
| Log | Log API |
| Murmurhash | Hash calculation using murmurhash algorithm |
| Grammar nodes | Libecoli grammar nodes |
| Parse nodes | Create parse tree from string input and grammar graph |
| String manipulation | Helpers for strings manipulation |
| String vector | Helpers for strings vectors manipulation |
| Utils | Misc utils |
| Vectors | Helpers for vectors manipulation |
| YAML import/export |