See also: Beta downloads | VS Gallery downloadsOld downloads 

FAR HTML 5

Help authoring & HTML tools - Product page.
Unicode version for Windows 2000...Windows 10+. 
Release Notes
 5.7.0.811  11 Feb 2016  3.7 MB  Download  Amazon S3 USA
 5.7.0.811  11 Feb 2016  3.7 MB  Download  Helpware.net
 5.7.0.811  11 Feb 2016  3.7 MB  Download  Visual Studio Gallery
 5.6.0.805  07 Mar 2015  3.7 MB  Download  Help-Info.de (German)
 5.7.0.811  11 Feb 2016  3.7 MB  Download  xlsoft.com (Japanese)
 5.6.0.805  07 Mar 2015  3.7 MB  Download  Helpware.net

FAR HTML 4

Help authoring & HTML tools - Product page.
ANSI version for Windows 95+ (product no longer supported). 
Release Notes
 4.3.0.681  27 Apr 2008  2.7 MB  Download  Amazon S3 USA
 4.3.0.681  27 Apr 2008  2.7 MB  Download  Helpware.net
 4.3.0.681  27 Apr 2008  2.7 MB  Download  Help-Info.de (German)
Trial & Licensing

FAR / mshcMigrate
 
These products require a license key to work beyond the trial period. Otherwise there is no difference between trial & full version.

H2Reg
H2Reg does not require a license key. Please purchase a license before using with production software

Other Tools

These products do not require license keys (freeware). Please ask before distributing.

H2Reg

Makes installing MS Help 2 .HxS help collections easier - Product page.
Contains both H2Reg.exe & H2Reg.DLL. Unicode version 2.0.1. Release Notes
 2.0.1  20 Nov 2009  1.6 KB  Download  Amazon S3 USA
 2.0.1  20 Nov 2009  1.6 KB  Download  Helpware.net
 2.0.1  20 Nov 2009  1.6 KB  Download  Visual Studio Gallery

mshcMigrate

Migrate HTML Help (.chm) & MS Help 2 (.HxS) to MS Help Viewer - Product page.
For Windows XP / Windows 7 / Windows 8 / Windows 10 / etc. Release Notes
 2.0.73  23 Nov 2014  1.4 MB  Download  Amazon S3 USA
 2.0.73 23 Nov 2014 1.4 MB Download Helpware.net
 2.0.73  23 Nov 2014  1.4 MB  Download  Visual Studio Gallery

Free Tools

See Product page for more detail. Replacement help viewer for VS 2010 help. 
Requires VS 2010 help installed.
 1.21.0.119 30 Aug 2013 1.31 MB Download Amazon S3 USA
 1.21.0.119 30 Aug 2013 1.31 MB Download Helpware.net
 1.21.0.119 30 Aug 2013 1.31 MB Download Visual Studio Gallery
See Product pageAlternate help viewer for VS 2002/2003/2005/2008 help. 
Requires VS 2002/2003/2005/2008 help installed.
 1.4.7.0 Beta  30 May 2013  1.6 KB  Download  Amazon S3 USA
 1.4.6.0  20 Nov 2009  1.6 KB  Download  Amazon S3 USA
 1.4.6.0  20 Nov 2009  1.6 KB  Download  Helpware.net
 1.4.6.0  20 Nov 2009  1.6 KB  Download  Visual Studio Gallery

MJ's Diagnostics

See Product pageA free tool to diagnose and fix HTML Help problems.  
Version 3.x now supports Windows 64 bit. Finds unregistered DLLs and DLLs installed & registered to wrong locations.