CENOCRE  Update to my previous review.

The tech support for Abyss is great!! With the very reasonably priced Pro version, you get priority support. They actually read your questions and give reasonable and quick answers even for complex issues.

After wasting years of my life with open source products such as Apache where you search in forum after forum for months only to get numerous stupid and wrong answers especially when dealing with utterly absurd mod_rewrite and, after dealing with the big companies such as Adobe, Epson, Apple, Micro$oft, Comcast, etc where the techs often times know little and deny obvious bugs, dealing with Aprelium is a breath of fresh air.

I now recommend dealing mostly with small companies that make great products such as ProVue (makes the great database Panorama), HindSight (photo business software), Aprelium, etc. You often get MUCH better products, better support, and surprisingly longer life products. ProVue made the second piece of software for the Mac and it is still around.

Buy small and buy quality as it will save time and money (even over the "free" products). As an added bonus you can often get features added to the products based on your own suggestions!  
(Version 2.6)

CENOCRE  Been using Abyss for years now in a commercial web hosting environment and it has been PERFECTLY stable. Things that take Apache down are barely a blip for Abyss.

We are about move all of our servers from Apache to Abyss. Apache is like Windoze - popular, but hard to figure out why as it is so bloated and awkward.

Abyss beats Apache in:

Speed

Simplicity (in a different universe)

Ease of configuration

Login and consistency of interface and configuring

Speed of setup

Tolerance of errors in configuration

User choice - can put it on any volume and quickly migrate it to another server

Stability

Support - quick and generally accurate answers from a single source

Cost - Yes, Apache is supposedly free and Abyss costs a little for the , but if you measure cost of the time involved with each product, you will save LOTS of time with Abyss.

Abyss is not perfect, but the company Aprelium listens to users and continues to improve the product. There a just a few features that are missing. And, while their documentation covers just about everything and is VERY accessible, it definitely could use some help as it makes far too many assumptions about the user's knowledge. It needs better BASIC explanations as it sometimes states the obvious while missing the not obvious aspects of a feature and the reason for the feature.  
(Version 2.5)

HALODEMO002  it beats Apache  
(Version 2.5)

ORION MK. V  Brilliantly simple for during quick servings for clients as a basic test server, and I can't complain about FREE. Very robust non-Apache offering.  
(Version 2.5)

INDIGOIMAC  Excellent as always, Pre-Compiled PHP 5.2 is also appreciated! Easiest to manage and configure server on any platform, though not as robust as Apache, it's still my personal favorite.  
(Version 2.4)

TWEAKLY  it would help if the included Installation Instructions file had a working url for the instructions...the one included is not even close to a real, working url.  
(Version 2.3.2)

MAKOS  I was looking for a simple and powerful solution to built an intranet web server. I find it !

Guys, you're rock !!!

Thanx for this free and great app.

(I put a 3 stars for stability, but maybe in few days i'll change my mind... i use it just for 1 days, but i'm sure it will get a 5... it runs on OSX!)  
(Version 2.0.6)

..  Amazing  
(Version 2.0.0.20)

ANONYMOUS  wont let me open the ports needed, i am using a Netgear router. i selected to open ports and then it notifies me that it can't. useless!  
(Version 1.2.3)

TOM HUTCHINSON  For creating a simple HTTP server, this is a great solution. EASY setup, loads pages fast, and it's free. I'm impressed. If you don't need some advanced features such as mySQL, this is the server for you.  
(Version 1.2.2)