The Big Five of Modern Pascal

Logo Object Pascal Variant Latest Stable Version Release Date Supported Target Platforms Supported IDE Platforms Availability
Native Intermediate Mobile Web Windows Linux MacOS Freeware Commercial Open Source
Windows Linux MacOS Others LLVM .Net JavaVM Android iOS JS WebAsm
Free PascalLazarus IDE 3.0.4 + 2.0 28 Nov 2017 + 5 Feb 2019 ⭕️ ⭕️
Delphi 10.3.1 (Rio) 14 Feb 2019  🔵4  🔵5  🔵1
Oxygene 10.23x 8 Feb 2019 6  🔵2
SmartPascal 3.0.2 21 Dec 2018  🔵3
PascalABC.Net 3.4.2 30 Aug 2018

There are many other Pascal compilers beside these big 5, but they're either no longer developed nor used by lots of people. So, they are practically irrelevant. And, please... do not use Turbo Pascal anymore.7 It's an archaic Pascal compiler that incompatible with today's computers.

Note:

1
:
Free Delphi Community Edition is available.
2
:
Some RTLs and libraries are open source.
3
:
Free for educational purpose upon request.
4
:
Only for non-GUI applications especially on Linux.
5
:
Mostly for component and IDE plugin development.
6
:
Only on Unixes platforms.
7
:

Legend:
✅ : fully supported.
🔵 : partially supported.
⭕️ : experimental (in progress).
⛔ : completely unsupported.

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Updated: 23 December 2018
By: Pak Lebah