When comparing PHPBack vs AsmBB, the Slant community recommends AsmBB for most people. In the question“What are the best web forum software packages?” AsmBB is ranked 5th while PHPBack is ranked 12th. The most important reason people chose AsmBB is:
AsmBB does not create any SQL queries in run time and from user provided data. This way, SQL injection is impossible by design. AsmBB uses very few external libraries, this way preventing exploitation of 3rd party bugs and vulnerabilities.
Ranked in these QuestionsQuestion Ranking
Pro Multi-language support
It has been already translated to Spanish and they are adding support for more languages.
Pro Easy setup
PHPBack is very easy to setup, all you need is a server with PHP5 and MySQL installed.
Pro Open Source
PHPBack is open source, uses GPLv3 license.
Pro Very high security level
AsmBB does not create any SQL queries in run time and from user provided data. This way, SQL injection is impossible by design.
AsmBB uses very few external libraries, this way preventing exploitation of 3rd party bugs and vulnerabilities.
Pro Supports database encryption
Since v2.7 AsmBB supports database encryption.
Pro Highly customizable design
The whole design of the forum is defined in external template files that can be easily edited without need to change the code.
Pro No library dependencies - everything needed is in the package
Pro Easy installation even on shared hosting
Pro Mobile friendly
AsmBB provides specially optimized skin for mobile browsers, resulting for best UX on any device.
Pro Multiple user selectable skins
The whole look & feel of AsmBB can be changed by using template and CSS files. Several sets of template files can be installed simultaneously. Every user of the forum can select the skin he likes.
Pro Real-time chat
Since v1.5 AsmBB includes real-time chat in order to allow instant communication between users for themes not suitable for the "message board" format.
Pro Really high performance and low requirements to the hosting
Con Small community
PHPBack is fairly young (first stable version was releases in July 2015). Currently the community is small, which may make it more difficult to find help/support.
However, the developer is active on the github page and generally responds quickly.
Con Bad setup
Terrible experience and bad setup.