Algoritmos/Estruturas de dados

• Dictionary of Algorithms and Data Structures
• Data Structures and Algorithms
• Algorithms & Data Structures (algoritmos genéticos, compressão, ...)
• Algorithms Tutoring Web Page
• CS101 Lecture Highlights
• Design and Analysis of Algorithms
• Data Structures and Algorithms: Electronic Lecture Notes
• Dynamic Programming Tutorial (Advanced)
• A Tutorial on Dynamic Programming
• A Rough Guide to Big-oh Notation
• Snippets of C code (algoritmos diversos: permutações, números primos, etc.)

  Assembly

• Gavin's Guide to 80x86 Assembly
• 80x86 Assembly Language Programming Tutorial
• Assembly Language Tutor
• Linux assembly tutorial
• Using as: The GNU assembler (Download em HTML e outros formatos aqui)
• NASM Manual
• Inline assembly for x86 in Linux

  Bases de Dados

• Introduction to Structured Query Language (original)
• A Gentle Introduction to SQL
• Database Systems and Structures
• Introduction to Database Systems (lecture notes)
• An Introduction to Database Normalization
• Database Normalization And Design Techniques
• Database Normalization Definitions
• The Theory of Relational Databases (PDF)
• PostgreSQL Non-FAQ Documentation
• PostgreSQL: Introduction and Concepts [ mais... ]
• Practical PostgreSQL
• PostgreSQL 7.2 Documentation
• MySQL Reference Manual (Download) [ mais... ]
• SAP-DB Documentation
• Getting Started with Oracle Forms (4.5) (registo na OTN obrigatório)
• Oracle 9i Database - Documentation (registo na OTN obrigatório)
• Using Oracle PL/SQL
• Bases de Dados I - Apontamentos Teóricos (PDF) (álgebra relacional/formas normais)
• Database System Concepts - Slides [ mais... ]
• From Enterprise Models to Dimensional Models: A Methodology for Data Warehouse and Data Mart Design (PDF)
• Designing the Star Schema Database

  C/C++

• The GNU C Library (Download em HTML e outros formatos aqui)
• C Programming
• Pointers and Arrays in C (Download HTML) [ mais... ]
• Linux Gazette: Code Optimization Using the GNU C Compiler
• An Introduction to C Development on Linux
• Building And Using Static And Shared "C" Libraries (Download HTML)
• GCC online documentation
• Compiling C/C++ Programs On Unix (Download HTML)
• Steve Summit's C FAQ
• Ben Pfaff's Personal Coding Standards
• Thinking in C++ Second Edition (Download HTML - Vol. I, Download HTML - Vol. 2) [ mais... ]
• The Standard Template Library [ mais... ]
• Phil Ottewell's STL Tutorial
• The Standard Template Library Tutorial
• A Critique of C++
• Incompatibilities Between ISO C and ISO C++
• How to Think Like a Computer Scientist (C++) [ mais... ]
• The cplusplus.com tutorial - Complete C++ language tutorial

  Compiladores e Geradores de Código

• Compilers and Compiler Generators (Download HTML, PDF) [ mais... ]
• Design and Construction of Compilers
• Flex, A fast scanner generator (Download em HTML e outros formatos aqui)
• Bison - The YACC-compatible Parser Generator (Download em HTML e outros formatos aqui)

  Controlo e Automação de Código

• GNU Make (Download em HTML e outros formatos aqui)
• Automating Program Compilation Using Makefiles (Download HTML)
• Introduction to Make
• GNU Autoconf, Automake, and Libtool [ mais... ]
• CVS - Concurrent Versions System (Download em HTML e outros formatos aqui)
• Open Source Development With CVS [ mais... ]
• The Linux Cookbook: Tips and Techniques for Everyday Use [ mais... ]
• Maximum RPM (Download PostScript, LaTeX) [ mais... ]
• IBM DeveloperWorks: Packaging software with RPM (Part 1, Part 2, Part 3)
• DejaGnu - The GNU Testing Framework (Download em HTML e outros formatos aqui)

  Criptografia/Segurança

• The OpenSource PKI Book [ mais... ]
• Introduction to Public-Key Cryptography
• Introduction to SSL
• Seguridad en Unix y Redes

  Debugging/Profiling

• Debugging with GDB (Download em HTML e outros formatos aqui)
• GDB Reference Card (PostScript, PDF)
• Debugging with DDD (Download em HTML e outros formatos aqui)
• LinuxGazette: Visual Debugging with DDD
• Dmalloc Tutorial [ mais... ]
• Debugging "C" and "C++" Programs Using "gdb" (Download HTML)
• GNU gprof - The GNU Profiler (Download em HTML e outros formatos aqui)

  Design de Software

• Unified Modeling Language (UML), version 1.4 (OMG specification)
• UML Quick Reference Card (PDF)
• UML Quick Reference (PDF)
• Sparx Systems UML Tutorial
• UML Tutorial
• OMG UML Resource Page
• Object Mentor - UML Articles
• Object Mentor - Extreme Programming Articles
• How to Draw Software Design Diagrams
• Software Engineering Methodology: The WaterSluice

  Diversos

• Introduction to Programming Languages
• The Functional Programming FAQ
• Curso de introducción al sistema operativo Unix
• Curso de administración de sistemas Unix

  Electricidade/Electrónica

• Lessons In Electric Circuits - Volume I - DC [ mais... ]
• Lessons In Electric Circuits - Volume II - AC [ mais... ]
• Lessons In Electric Circuits - Volume III - Semiconductors [ mais... ]
• Lessons In Electric Circuits - Volume IV - Digital [ mais... ]
• Lessons In Electric Circuits - Volume V - Reference [ mais... ]
• Lessons In Electric Circuits - Volume VI - Experiments [ mais... ]
• The Scientist and Engineer's Guide to Digital Signal Processing [ mais... ]

  Haskell

• Haskell Tutorial
• Haskell Tutorial (Download PostScript)
• The Haskell 98 Report (Download HTML, PostScript, PDF) [ mais... ]
• The Haskell 98 Library Report (Download HTML, PostScript, PDF) [ mais... ]
• A Gentle Introduction to Haskell

  Imagem/3D

• Tigert Gimp Tutorials
• GIMP Tutorials!
• Grokking the GIMP - Learning Advanced Image Editing Techniques
• POV-Ray 3.1 Documentation
• POV-Ray: Documentation [ mais... ]
• An Introduction to POVRAY
• 3D Tutorials: PovRay

  Java

• Thinking in Java 2^nd Edition (Download HTML) [ mais... ]
• The Java Tutorial
• Java 2 Enterprise Edition Tutorial
• java.sun.com: Documentation & Training
• Java 2 SDK, SE v1.4.1 documentation (Download)
• Java 2 Platform, SE v1.4.1 API documentation (Download)
• JavaCC Documentation
• How To Code Like a Java Newbie
• Thinking in Patterns with Java (Download HTML + código ou Word) [ mais... ]
• Improve modularity with aspect-oriented programming
• Intelligent data keeps Swing simple
• How to Think Like a Computer Scientist (Java) [ mais... ]

  Linux (Sistema/Bibliotecas)

• Introduction To Unix Signals Programming (Download HTML)
• Manipulating Files And Directories In Unix (Download HTML)
• Accessing User Information On A Unix System (Download HTML)
• Unix Multi-Process Programming and Inter-Process Communications (IPC) (Download HTML)
• Getting Started With POSIX Threads
• Multi-Threaded Programming With The Pthreads Library (Download HTML)
• Index of Documentation for People Interested in Writing and/or Understanding the Linux Kernel.
• Linux Device Drivers, 2nd Edition (PDF) [ mais... ]
• The Linux Kernel Hacker's Guide
• Console Programming HOWTO
• GNU Scientific Library -- Reference Manual (PostScript)
• GNU Multiple Precision Arithmetic Library (Download em HTML e outros formatos aqui)
• GLib 1.2 Reference Manual (Download HTML)
• GLib 2.0 Reference Manual (Download HTML)

  Lisp

• Successful Lisp
• LISP Tutorial
• LISP Primer
• Basic Lisp Techniques (Download PDF)
• GNU Emacs Lisp Reference Manual
• Programming in Emacs Lisp

  ML

• A Gentle Introduction to ML
• The Caml Light User's Guide
• The Objective Caml User's Guide (Download HTML, PDF) [ mais... ]
• ML Tutorial

  OpenGL

• OpenGL Tutorial
• OpenGL Programming Guide - The Red Book
• OpenGL Programming Guide (Addison-Wesley Publishing Company)
• Programming with OpenGL: Advanced Rendering
• NeHe OpenGL Tutorials
• AL's OpenGL programming page
• GLUT Tutorial
• Lighthouse 3D - Tutorials
• The OpenGL Utility Toolkit (GLUT) Programming Interface (PDF)

  Pascal/Delphi

• Pascal Programming OnLine Notes
• Delphi Tutorial (Download HTML) [ mais... ]

  Perl

• Perl Tutorial
• Perl Regular Expression Tutorial
• Introduction to Perl
• Linux Journal: Network Programming with Perl
• Robert's Perl Tutorial

  PHP

• PHP Manual (Português do Brasil) (Download) [ mais... ]
• PHP Knowledge Base
• PHP/MySQL Tutorial

  Programação Paralela

• PVM: A Users's Guide and Tutorial for Networked Parallel Computing (PostScript) [ mais... ]
• PVM FAQ
• Advanced Tutorial on PVM 3.4 new Features and Capabilities
• Linux Gazette: Parallel Processing on Linux with PVM and MPI
• Tutorial on MPI: The Message-Passing Interface
• Designing and Building Parallel Programs
• Parallel Programming - Basic Theory For The Unwary (Download HTML)

  Prolog

• Prolog Programming: A First Course
• Prolog Tutorial

  Python

• Python Documentation Index
• Python Tutorial
• Python Library Reference
• Linux Journal: An Introduction to Python
• Thinking in Python (Download HTML + RTF + código) [ mais... ]
• How to Think Like a Computer Scientist (Python) [ mais... ]
• Learning to Program (Download HTML) (ou em Português, também para download)
• GUI Programming with Python: QT Edition

  Redes/Computação Distribuída

• An Advanced 4.4BSD Interprocess Communication Tutorial (Sockets, Multicast, ...)
• Sockets Tutorial
• Windows Sockets: A Quick and Dirty Primer
• Programming Sockets: High-performance programming techniques on Linux and Windows
• Network programming under Unix systems (Download HTML)
• Beej's Guide to Network Programming
• IP Multicast
• Multiplexing issues in implementation of concurrent servers
• Gadgets: SSL (pequeno tutorial de SSL)
• Tutoriales de OpenSSL

  Scheme

• Scheme Tutorial
• Tutorial Introduction to Guile
• Guile Frequently Asked Questions
• Revised(5) Scheme

  Scripting

• Bash Reference Manual (Download em HTML e outros formatos aqui)
• Advanced Bash-Scripting Guide (Download HTML, PDF)
• Working more productively with bash 2.x
• GAWK: Effective AWK Programming (Download em HTML e outros formatos aqui)
• sed, a stream editor (Download em HTML e outros formatos aqui)

  Simulações de Algoritmos e Estruturas de Dados

• Red/Black Tree Demonstration
• AVL tree applet
• xSortLab: Sorting and the Analysis of Algorithms
• Animated Sorting Tool
• Hashing Animation Tool

  Smalltalk

• GNU Smalltalk User's Guide
• IBM Smalltalk Tutorial
• A Tutorial for GNU Smalltalk

  Técnicas de Programação

• GNU Coding Standards
• How To Write Unmaintainable Code
• How to Design Programs - An Introduction to Programming and Computing [ mais... ]
• How To Think Like a Computer Scientist

  Texto (Editores/Processamento)

• GNU Emacs Manual (Download em HTML e outros formatos aqui)
• XEmacs Reference Card (PostScript, PDF)
• Mini referência de Emacs (PDF em português, 1 página A5)
• VIM User Manual [ mais... ]
• VIM 4.5 Reference Card
• VIM Reference Card (PDF)
• VI Reference
• Text Processing using LaTeX
• The Not So Short Introduction To LaTeX2e (DVI)

  X11

• QT 3.0.x Reference Documentation
• QT 2.3.x Reference Documentation
• QT Quarterly
• KDE Documentation for developers
• KDE (programming) Tutorial
• KDE 2.0 Development (Download HTML e PDF) [ mais... ]
• KIOslave Tutorial
• GTK+/Gnome Application Development (Download HTML) [ mais... ]
• GTK+ 2.0 Tutorial
• GTK+ 1.2 Reference Manual (Download HTML)
• GDK 1.2 Reference Manual (Download HTML)
• GTK+ 2.0 Reference Manual (Download HTML)
• GDK 2.0 Reference Manual (Download HTML)
• The gdk-pixbuf Library (Download HTML)
• ATK Library Reference Manual (Download HTML)
• Pango Reference Manual (Download HTML)
• GObject Reference Manual (Download HTML)
• GNOME Developer Documentation
• GNOMEnclaure: Getting ready for GNOME 2 Part 1, Part 2
• Basic Graphics Programming With The Xlib Library (Download HTML)
• A Resource and Developers Guide to XRender

  XML

• XML Tutorial
• The XML Revolution
• XSL Tutorial
• LibXML Tutorial

  Outros sites...

• GNU Manuals Online
• The Brighton University Resource Kit for Students: Programming
• HERT - Hacker Emergency Response Team: Tutorials
• Programming Texts/Tutorials
• Manuais no www.fct.unl.pt
• Little Unix Programmers Group - Tutorials
• flipCode - Game Development News & Resources
• Programmer's Oasis
• IBM developerWorks
• IBM Redbooks Online!
• Programmers' Heaven
• Object Mentor - Articles
• Black Sun Research Facility - Books

• PVM - Parallel Virtual Machine.
• QT - GUI Toolkit em C++ (também com bindings para Python) para Windows, X11, embedded devices (Linux framebuffer) e Mac OS X.
• GTK+ - GUI Toolkit em C (com bindings para C++, Python, etc.) para X11, Windows, BeOS, Linux framebuffer, etc.
• OpenSSL - Biblioteca SSL opensource.