Diborane (B2H6), the simplest borane, is a useful reagent with many applications, but it is pyrophoric, gaseous and not convenient to handle. There is a wide range of boranes: Decaborane for example is not as reactive as diborane and is used as reducing agent too.
Trimethylamine borane, also known as trimethylamine complex with borane or trimethylamine borane adduct, is a chemical compound with the formula (CH3)3N·BH3. It is a coordination complex formed by the reaction between trimethylamine (N(CH3)3) and borane (BH3).