Top 7 Free & Open-Source PowerPoint APIs & Libraries for Developers (2025)

Last Updated: 08 Sep, 2025 For decades, Microsoft PowerPoint has been the undisputed king of presentations. But what happens when you need to generate hundreds of personalized sales reports, create dynamic presentation decks from a database, or automate compliance training slides? Manually clicking and dragging in the GUI is not just tedious—it’s impossible to scale. This is where the power of code comes in. As a software developer, you can leverage powerful, free, and open-source APIs and libraries to programmatically create, edit, and manipulate PowerPoint files (PPT, PPTX).
September 8, 2025 · 10 min · Sher Azam Khan