Márcio's Hyperlink site is a resource reference on software development and information technologies. There are over 3200 links with descriptions, organized into dozens of categories and frequently updated. The primary sections are summarized in the Index below.

The information here is devoted to professionals in development and infra-structure activities on software, Internet, and multimedia: developers, authors, programmers, designers and administrators of information systems and IT, as well as graphic artists, content producers, electronic media professionals, technicians and other people involved with or interested in these technologies.


  • Multimedia
    ToolBook, General, Authoring, Hardware, CD, Media, Text, Images, Video, Audio, ActiveX, Education.
  • Internet
    Web Authoring, HTML, Security, Tools, Programming, Server-Side, XML, Entities, Protocols, Web Design, Images, Multimedia, Topics.
  • IT Management
    Project, Program and Portfolio Management, IPMA/ICB, PMI/PMBOK, BS ISO 10006. Process Management - Maturity and Quality, MMGP, MPS.Br, CMM/CMMI, PDCA, Six Sigma, ISO 9000, Hoshin Kanri, Change Management. Governance, Risk, Compliance, ISO 20000, ITIL, COBIT, Auditing. Strategic and Enterprise Management, BSC, Performance Prism, GPD.
  • Digital Security and Privacy
    Entities and information on Internet Security, Privacy, Cryptography, Digital Certificates, Malware/Virus, Hoaxes, Spam, Firewall, IDS/IPS, Standards, Applications, Hacker, Books.
  • Programming
    Software Engineering, Usability and User Interface, Java, Perl, Delphi, C/C++, Python, Tcl / Tk, Windows Programming, Palm Programming, Tools, Libraries & Drivers, PC Hardware.
  • Database
    SQL, Database information, Oracle, Other commercial DBMSs, Open source and freeware DBMS.
  • Unix & Linux
    Unix, Linux, Unix flavours, X Window System, Software.

Other References

Other excellent reference sources on information technology and general knowledge are listed as follows.