With most states loosening some restrictions and businesses approved to reopen, many tech and design companies are expanding to new markets: touchless fever scanners, apps to plan socially-distant office spaces, sensors to limit touching in highly frequented areas, and scheduling platforms to prevent crowding in public spaces. Truework, for example, is an income verification start-up, that has launched software to allow employers to track workers’ health status. Gensler, an architecture and planning company, has improved…