Sapien make some great tools and this is no exception. PrimalForms Community Edition is a Free version that has limited functionality.
I've used this for several OSS projects and it covers the essentials. The link on Sapien sites no longer works so below is a alternative link I've found. This version is 1.0.9.0 but an version 1.0.10 was released also according to the blog. Only obvious change is it adds a start page.
Update: Unfortunately Sapien or one of their representatives has mistakenly slapped DMCA on this link for the free edition and I've removed it, rather than fight it. You can certainly find it via Google or ask the right person ;-)
Details
Version 1.0.9.0
Filename: PrimalFormsCE.exe
Signed By: Sapien Technologies, Inc.
File size: 4,689,920 bytes
MD5:A4C4AF9A49423133AA8AB4A7C5745C10
SHA1: B6DD673290F4DED363BD3A6B5787A5332BCC79A6
SHA256:F4BB718BAC1C1E309F92EF465702E933179D195217C3CE51B99E4936AEA1F8A7
Version 1.0.1.0 was released, but I'm yet to find a copy of it.
