I used Notational Velocity but I switched a couple of years ago to one of its forks: nvALT:
http://brettterpstra.com/projects/nvalt/
Which adds a lot of very useful features, I can heavily recommend it.
http://brettterpstra.com/projects/nvalt/
Which adds a lot of very useful features, I can heavily recommend it.
An interview with Notational Velocity developer Zachary Schneirov
http://suratlozowick.com/blog/2011/12/notational-velocity-de...
Edit: As an aside, this is an interesting comment from the above (2011) interview:
> Now the first company to sell a mass-market wearable computer with a glasses-mounted display would get my money in an instant.