When comparing GameSalad vs GLBasic, the Slant community recommends GameSalad for most people. In the question“What are the best 2D game engines?” GameSalad is ranked 63rd while GLBasic is ranked 76th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros

Pro Cross-Platform
Pro No-code editor
Pro Has a Windows(.exe) version on par with Mac
The Windows version is now upto date with all the features of its Mac sibling.
Pro Multiple publishing platforms
Can create and publish games for iOS, Macintosh desktop and laptop computers, Android, Kindle, Amazon FireTV and FireTV Stick, Windows 8 and Tizen devices.
Pro Gamepad support
Gamepad support is available as of 0.13.3.
Pro Free standalone viewer app allows instant, live mobile device testing
The GameSalad Viewer is a free app available for iOS, Android and Kindle. Once installed on your mobile devices, you can deploy and test your GameSalad games live on any mobile device running the Viewer that is on the same local network as your dev computer.
This even allows Windows users to test their games on iOS devices without a Mac device and without any complicated code signing or provisioning profiles.
And, you can even take your games with you -- once loaded onto your mobile device, a history option caches recent games on your device without any connection to the dev computer.
Pro Allows you to focus on the logic rather than code
Since the user mainly uses menu options there is very little code needed to be keyed in. This makes the code very easy to read and understand.
Hence there are many help videos on youtube
Pro Extensive community of seasoned professionals for support
Extensive community of seasoned professionals in all disciplines (graphics, game design, animation, physics, music, video production, marketing, etc.) producing tutorials, videos, publishing tips, free templates and who are willing to answer forum questions and help newcomers.
Pro Powerful expression editor and functions
Allows you to create expressions on par with LUA (it's back end-language).
Pro Custom collision shapes with JSON support
Allows you to import JSON data for custom collision shapes to use with Gamesalad's implementation of Box2d physics.
Pro Easy to publish
Software prepares your app so you can just send it to Apple. All my games are reviewed with no problems.

Pro Drag and drop editor
The drag and drop editor makes GameSalad very easy to use, no programming experience needed.
Pro Great engine
Very quick to learn and great for making games. Community is very open and helpful.
Pro Easy to develop with
Language is easy to use, with a fast compiler.
Pro Fast 2D
Pro Easy to learn
Pro Support
Forum support is great. No advertising in program or forums. Company has been going for over 10 years.
Pro 3D
Unlike most multi-platform development systems, 3D is available across most of them.
Pro Multi-platform
Code can be written once and will work on supported platforms with very little modification.
Pro No hidden fees
PC version is free.
Full Multi-platform version requires one-off very reasonable price, and all further updates are free, however you can run a watermarked demo on your chosen platform with the free demo version.
Pro C/C++ support
C/C++ code can be included inline or as a DLL/.o/dylib file.
Pro HTML 5 compiling is now faster and works better
Pro Default GUI system works fine, and has all the needed widgets needed
Only problem is position is based on position of previous widget.
Pro Compiler is fast and produces efficient code
Pro Free for home development
Create apps for non commercial 2D programs running on Windows, Linux and Mac OSX. The extension to create programs for other platforms, 3D or network applications requires a license key. Otherwise the "Premium" programs are limited to 10 min runtime for test purposes. There is no trial limit for the development environment.
Pro Networking
Easy-to-use networking system with either TCP or UDP.
Pro Books
Programmers reference guide, user guide and various others are free.

Pro Gaming related functions
Viewports, sprites, rotating/animating and zooming sprites, collision detection and pathfinding.
Cons
Con Bad editor
There is no scene zoom, search boxes, or snap to grid. There is also no ability to focus view on the actor or use folders for file structure.
Con Expensive compare with others
There is no free version any more and it is very expensive compared with other engines.
Con Poor editor performance
Especially when you're working on a big project.
Con No scripting language or SDK
If a needed behavior is not supplied by GameSalad, there's no way to add it.
Con Product is suffering - Lacking company leadership and no voice from corporate
Some customers are currently in a holding pattern from the lack of support and messaging from GS corporate. GS is currently unstable and developers are waiting for another update that has been going on from 2015.
No word or message from GS corporate about timeframes or deliverables.
You can read the ongoing discussion here.
Con Product is in Limbo - company is lacking developers
Con Doesn't support Windows platform (*.exe)
Doesn't support Windows platform (*.exe)
Con Command set has hardly changed or been updated/improved over the years
Con Poor 2d collision detection with rotated sprites
2d sprite rotation with collision detection isn't present and requires some annoying run-arounds to achieve what is a staple of other game engines.
Con No multi-platform editor
Whilst Linux and Mac IDE's were started, they were never completed.
Con No clear way to monetize apps
It's impossible to place ads. There is a third party in-app purchase library hidden somewhere deep within the forums which hasn't been updated for years.
Con Issues don't get fixed
The Blender exporter and the 3D converter have been broken and remain unfixed for years.
Con Only supports .ddd 3D format
This format does not support bones and only keyframe animation. 3d files will become extremely large if there are animations in models.
Con HTML 5
HTML 5 compiling is rather slow, and doesn't allow all GLBasic features
Con Poor GUI creation library
Its library for GUI creation is abysmal and not acceptable.
Con Poor documentation
There is next to no documentation on using OpenGL commands in GLBasic.
