Always for it is an outstanding freeware publicdomainsoftware.
总来说是一款优秀免费软件。
2
Software consists of commercial software, publicdomainsoftware, shareware and free software in legal state.
按软件的法律形态来分,它可分为商业软件、公共软件、共享软件和自由软件。
3
After five years, its source code would go into the publicdomain, and proprietary software developers would be able to include it in their programs. But what about the reverse case?