Objective-C is a general purpose programming language which is a superset of the C programming language and provides object-oriented capabilities and a dynamic runtime.
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Category: Programming
libHaru – library for generating PDF files
libHaru is a library for generating PDF files. libHaru is free and open source software published under the zlib license.
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Apache PDFBox – library for working with PDF documents
The Apache PDFBox library is an open source Java tool for working with PDF documents. PDFBox is free and open source software.
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OpenPDF – Java library for creating and editing PDF files
OpenPDF is a Java library for creating and editing PDF files with a LGPL and MPL open source license. Fork of iText 4.
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Apache FOP – print formatter driven by XSL formatting objects
Apache FOP (Formatting Object Processor) is a print formatter driven by XSL formatting objects (XSL-FO) and an output independent formatter.
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Poppler – library for rendering PDF files, and examining or modifying their structure
Poppler is a PDF rendering library based on the xpdf-3.0 code base. Poppler comes with multiple frontends (APIs): cpp, glib and qt5.
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PoDoFo – parse PDF files and modify their contents into memory
PoDoFo is a library to work with the PDF file format. The name comes from the first letter of PDF (Portable Document Format).
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Excellent Free Tutorials to Learn Factor
Factor is a dynamic stack-based programming language inspired by earlier stack-based languages like Forth and Joy.
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Excellent Free Tutorials to Learn HTML
Here’s our recommended free HTML tutorials to master this language.
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Excellent Free Tutorials to Learn Pike
Pike is an interpreted, general-purpose, high-level, cross-platform, dynamic programming language. Read our recommended tutorials.
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Now and Then: The Fate of 5 Open Source Integrated Development Environments
In 2014, we identified 5 promising free and open source Integrated Development Environments. How did they fare?
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33 Excellent Free Books to Learn all about R
This article recommends 33 free books which will teach you the basics of R, how to produce amazing plots, how to apply R to lots of disciplines, and how to efficiently program in R. Many of the books are open source.
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Excellent Free Books to Learn D
D is a general-purpose systems programming language with a C-like syntax that compiles to native code. Here’s our recommended D books.
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Excellent Free Tutorials to Learn Markdown
Markdown is a plain text formatting syntax created by John Gruber in 2004. Itβs designed to be easy-to-read and easy-to-write. Here’s our recommended Markdown tutorials.
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Excellent Free Tutorials to Learn TypeScript
TypeScript is a strict syntactical superset of JavaScript and adds optional static typing to the language. Here’s our recommended free tutorials to learn TypeScript.
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