The package MathPack contains a lot of routines and classes offering various mathematical methods. Among them are linear regression (simple and multiple), curve fitting, random generators, vector and matrix algebra, eigenvectors, principal components, cluster analysis, Fourier transform, Kohonen networks, statistical distributions, and more. The package BasePack contains several units of the SDL Component Suite which fall into the category "basic operations and data structures". Among them are FIFO registers, bit arrays, system specific routines, the handling of streams, and string processing.

ORM framework for Delphi with full support for data manipulation, complex and advanced queries, inheritance, polymorphism, and more...

OXml is a new XML library for Delphi and Lazarus, developed in late 2013. I took some inspiration from OmniXML but wrote the library completely from scratch. The aim of OXml is to be the most versatile and fastest XML library for the Pascal language.

IB Objects is the most powerful toolbox available for developing client and service applications for InterBase/Firebird in Delphi and Borland C++Builder without the BDE, ODBC or any other middleware. IB Objects provides more than 80 components for use with 32bit Delphi and C++Builder. The "native IBO" classes require only a Desktop Developer edition. Professional editions of these products are required only if you need to develop with the TDataset-compatible classes.

JustMock is an easy, fast, feature rich framework for creating unit tests. This complete mocking tool allows for mocking of non-virtual methods, non-public members, sealed classes and static methods and classes - all within one simple API.

Providide tools to improve productivity, Duplicate selection, Multiline to single line, Moving code between regions, easy way to add custom snippets, Entity/Class Generator, Converting SQL Tables into .Net Classes, TypeScript Classes, Json Object or jаvascript Object, support ...

Many useful features like:
TypeScript Class Generator from SQL Server Tables
.Net Entity Class Generator from SQL Server Tables
JSON / jаvascript Object Generator from SQL Server Tables
Built in Snippet Editor
Duplicate Line or Selection
Multile to single line
Change Assembly Version (multiple projects at once)
Change Output Path/Build Path (multiple projects at once)
Many others

FastInfoset.NET offers an extremely compact and widely interoperable encoding of the XML Infoset that is integrated into the XML processing API of .NET and is as straight forward to use as the system-provided text encoding.

Ultimate Email Validator is a 100%-managed .NET class library that adds powerful and comprehensive e-mail address validation to your .NET applications without sending e-mails to recipients. You can easily validate bulk e-mail addresses loaded from many sources such as list, text file, CVS, DataTable, and DataSet using single or multiple threads with a single line of code.

YuPdf creates PDF documents fast, directly from within Delphi applications. No external dependencies.

YuPdf includes the following functionality:

Create PDF documents containing text, graphics, and bitmap images.
Easily add outlines, annotations, and document attachments.
Embed JPEG and PNG images, preserving transparency.
Embed Type 1 and TrueType fonts.
Document and image compression and encryption.
Character set and encoding support (1- and 2-byte UTF-8, ISO 8859-1 to 8859-16, Windows 1250 to 1258, KOI8-R).
CJK fonts and encodings for Chinese and Japanese text.
Object wrapper classes for simplified coding.
Extensive number of demo projects to get started.
No dependencies, does not require DLLs or external files.

DIContainers is a collection of more than 100 different container classes for Borland / CodeGear Delphi.

Four different container structures are available:

Hash containers
Doubly-linked lists
N-ary trees
Vector containers