XLSSpreadSheet is a native Delphi component for editing and viewing Microsoft Excel files.

How can XLSReadWriteII help you?

Native access to Excel files. The user doesn't need to have Excel, or any other software installed.
XLSReadWriteII works as an invisible Excel workbook. All cell values are always accessible.
Stability. One of the major goals with XLSReadWriteII was to create a product that won't corrupt the Excel files and won't alter any data in the file.
XLSReadWriteII is easy to use. With the formatting interface, you can format cells through a cell object.
Fast and efficient support when you have any questions.

Delphi Distiller XE6/XE7 Full Source.

eDocEngine VCL is a comprehensive e-document creation component suite for Delphiв„ў and C++BuilderВ®. eDocEngine can create documents in clipboard, PDF, RTF, HTML, XHTML, EXCEL, TEXT, CSV, Quattro Pro, LOTUS 1-2-3, DIF, SYLK, TIFF, PNG, SVG (XML-based vector graphics), JPEG, GIF, BMP, EMF and WMF formats. eDocEngine ships with ready-to-use Report-Export interfaces that tightly integrate with popular Delphi reporting tools such as ReportBuilder, FastReport, Rave, QuickReport, and Ace Reporter. Using eDocEngine Report-Export interfaces, you can directly export reports to PDF and other formats without having to write any code.

Raudus is a web-framework and component set for Delphi and Lazarus, that allow create Rich Internet Applications (RIA). The development process is very similar to desktop applications development. Using Raudus you create both client-side and server-side at the same time. UI components are shown at client, event handlers are executed at server. Raudus is well suitable for database applications.

AlphaControls - a set of common and some unique components that support skins (AlphaSkins), as well as having some additional features. All skin elements can have their own properties for advanced drawing the gradient, realistic framework, semi-transparent and blurry shadows. Graphics functions produce all the calculations and drawing in real-time. Added property BoundLabel for editing elements. Handled various mouse events, which gives some additional features components. Manager prompts controls the tips in the application and gives them a beautiful view with a lot of settings that can be changed by a special designer. Analogs of standard components provide all the functionality and add a lot of new solutions to improve software quality and their appearance.

Delphi Mobile Youtube Component for Delphi.

RESTful (RMM Level 3) compliant
Can be used in load balanced environment using Redis (http://Redis.io) dev
Fancy URL with parameter mappings
Specialied renders to generate text, html, JSON
Powerful mapper to map json to objects and datasets to objects
Can be packaged as stand alone server, apache module (XE6, XE7) and ISAPI dll
Integrated RESTClient
Works with XE3, XE4, XE5, XE6 and XE7
For each functionalities there is at least a test case
There is a sample for each functionlities
There is a complete set of trainings about it, but the samples are included in the project
Experimental support for IOCP dev
Server side generated pages using eLua (Embedded Lua)
Specific trainings are available (ask me for a date and a place)
Messaging extension using STOMP (beta)
Community driven (Facebook group https://www.facebook.com/groups/delphimvcframework)
Simple and documented (right click "Save as...")
Completely unit tested

Delphi Open XML library for processing .docx, .pptx and .xlsx documents.
create or modify Word Document .docx files
create or modify PowerPoint Presentation .pptx files
create or modify Excel Workbook .xlsx files
Microsoft Office installation is not required
uses Microsoft Open XML SDK 2.5
requires Microsoft .NET 4.0 or higher
available for Delphi 7 - XE7
royalty free distribution in applications

RemObjects SDK is an award-winning framework for building highly scalable distributed applications: client applications and servers that can communicate easily and seamlessly, whether on the local company network or across the internet. RemObjects SDK infrastructure is available in 100% native editions for all of today's modern application development platforms, giving you the flexibility to have applications on different devices and operating systems to communicate and interoperate seamlessly.

This software component contains a small-footprint Object Pascal (Delphi) XML implementation that allows to read and write XML documents. You basically only need one unit and you can simply add it to the "uses" clause. You can use this software to read XML documents from files, streams or strings. The load routine generates events that can be used to display load progress on the fly. You can also use it to create and save XML documents.