You can use VoiceAttack for free indefinitely. It allows for one profile and up to 20 commands . For many players, this is actually enough to handle essential "Gear Up" or "Request Docking" macros [2, 3].
Ensure you are not copying hidden whitespace characters when pasting your key into the registration field . voice attack free better registration key
You can create a dedicated set of commands for your favorite game (like Elite Dangerous or Star Citizen ). You can use VoiceAttack for free indefinitely